- April 12, 2021
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It is seen in almost all botanical gardens, in both temperate and tropical locations. Often called "living fossils", Cycads have changed very little in the last 200 million years. Cycas revoluta (Sotetsu [Japanese ソテツ], sago palm, king sago, sago cycad, Japanese sago palm), is a species of gymnosperm in the family Cycadaceae, native to southern Japan including the Ryukyu Islands. Common names Taxonomic notes. King Sago Palm is not a palm at all, but a type of gymnosperm. In this treatment there are 88 species, but so far there has been no comprehensive generic study. Chamorro name: Fadang. Cycads should be generally regarded as poisonous to livestock as they contain the unique methylazoxymethanol-glycoside neurotoxins … About 95 species are currently accepted. The generic name comes from Greek kykas and means "palm tree". Cycas revoluta. Propagation of Cycas revoluta is either by seed or clonally by removal of basal offsets. Economic Importance of Cycas: 1. Common name: Beddomes' cycad The species is an endangered species endemic to Seshachalam Biosphere Reserve in Chittor and Kadapa districts of Andhra Pradesh. Pollination can be done naturally by insects or artificially. Native to the southern regions of the United States, it’s commonly grown as a houseplant … 1782. Trade name: Andhra Pradesh Cycas, Cycad. It can grow into very old specimens with 6–7 m (over 20 feet) of trunk; however, the plant is very slow-growing and requires about 50–100 years to achieve this height. brevifrons Miq. Abeer Moawad, Mona Hetta, Jordan K. Zjawiony, Melissa R. Jacob, Mohamed Hifnawy, Jannie P. J. Marais and Daneel Ferreira, Planta Med., 2010, 76(8), pages 796-802. The species is prohibited from cultivation. [10] Leaflets also contain biflavonoids. It is fairly drought-tolerant and grows well in full sun or outdoor shade, but needs bright light when grown indoors. Its closest congener, C. rumphii, is chiefly distinguished by much larger seeds . It … Botanical Name : Common Name : Description : Cycads are often grown by collectors of cacti and other succulent plants. Overview . Botanical name: Cycas revoluta; Common name: Sago palm ; Family: Cycadaceae ; Plant Type: Perennial, Evergreen ; Foliage colour: Blue / Green. C. revoluta usually defoliates in winter in this temperate climate, but will usually flush (grow) several new leaves by spring. The leaves are a deep semiglossy green and about 50–150 cm (20–59 in) long when the plants are of a reproductive age. Cycas taitungensis is a species of genus Cycas endemic to Taitung County, southeastern Taiwan. Schneider D, Wink M, Sporer F, Lounibos P. Naturwissenschaften. Cycas circinalis. Origin and Habitat: Cycas pectinata is one of the most common and widespread cycads found in Bangladesh, Bhutan, southern China (Yunnan and Guizhou Provinces), northern and eastern India (abundant in the hill forests of Uttar Pradesh, Assam, Manipur, Meghalaya, Sikkim, Darjeeling), Lao People's Democratic Republic, northern Burma (Myanmar (mainland), Malaysia, Nepal, northern … Common name: Cycad. A rugged trunk, topped with whorled feathery leaves has lead to the common name "Sago Palm", however it is actually related to conifer and Ginko trees - all cone bearing plants which trace their origins back to the ancient flora of the early Mesozoic era. The trunk (caudex) is cylindrical and somewhat looks like (for younger specimens) a small pineapple as for it… An evergreen, palm-like plant. Cycas micronesica. Four species of Cycas – C. circinalis, C. pectinata, C. rumphii and C. beddomei – occur in natural state in India, chiefly in Assam, Orissa, Meghalaya, Andaman and Nicobar … Sago Cycas. Specifications: Species: Common Name: Indian Name: Cycas Revoluta: Sago Palm: Sago Palm: View Complete Details. At the end of the Cretaceous, when the non-avian dinosaurs became extinct, so did most of the cycas in the Northern Hemisphere. It can grow into very old specimens with 6-7 m of trunk, however, the plant is very slow-growing and requires about 50-100 years to achieve this height. Cycas squamosa Lodd. The crowded, stiff, narrow leaflets are 8–18 cm (3.1–7.1 in) long and have strongly recurved or revolute edges. It is in leaf all year. They are evergreen perennials which achieved their maximum diversity in the Jurassic and Cretaceous periods, when they were distributed almost worldwide. Roots are called coralloid with an Anabaena symbiosis allowing nitrogen fixation. Cycas Revoluta: Common Name: Sago Palm: Family: Cycadaceae: Keeping in mind ever-evolving requirements of our respected clients, we are providing a premium quality range of Cycas Revoluta. Fruit Name : Cycas Floridiana. Scientific Name and Common Name; Kingdom: Plantae – Plants Subkingdom: Tracheobionta – Vascular plants Superdivision: Spermatophyta – Seed plants Division: Cycadophyta – Cycads Class: Cycadopsida Order The basal leaflets become more like spines. Growth requirements (including habitat) This species occurs only along shorelines, in full sun to moderate shade, often in very shallow soil and apparently over both granite and limestone substrates. planifolia Miq. Effects of ingestion can include permanent internal damage and death. Trunks can branch several times, thus producing multiple heads of leaves.[4]. It is hardy to zone (UK) 10 and is frost tender. It is one of several species used for the production of sago, as well as an ornamental plant. I have updated eFI (efloraofindia) page on Cycas. Aulacaspis yasumatsui is a scale insect feeding on C. revoluta, and unchecked is able to destroy the plant. This is one of the most primitive living seed plants, very unusual and popular ornamental. M. Obukowicz, M. Schaller and G.S. They grow out into a feather-like rosette to 1 m (3.3 ft) in diameter. The pith contains edible starch, and is used for making sago. ex Dyer. Common Names. Cycas beddomei is protected under Schedule VI (Section 2) of Wildlife Protection Act (1972), Government of India. Family: Cycadaceae. Cycas circinalis L. Accepted Name Crozier Cycas Plantae > Tracheophyta > Cycadopsida > Cycadales > Cycadaceae > Cycas > Cycas circinalis L. Cycas revoluta (Sotetsu [Japanese ソテツ], sago palm, king sago, sago cycad, Japanese sago palm), is a species of gymnosperm in the family Cycadaceae, native to southern Japan including the Ryukyu Islands. Cycas megacarpa is a small to medium sized cycad growing to 8m tall. Cycas has palm-like pinnate leaves, arranged spirally. Cycasin toxin can cause ALS, Parkinson's, prostate cancer and fibrolamellar hepatocellular carcinoma. [8] Cycad sago is used for many of the same purposes as palm sago. In many areas of the world, it is heavily promoted commercially as a landscape plant. robusta Messeri. Cycas is used as a source of food in Japan, Australia, South East … It is also quite popular as a bonsai plant. It needs good drainage or it will rot. Makes an excellent stand-alone specimen. Young leaves are often eaten by the caterpillars of the cycad blue (Chilades pandava pandava). The common name 'Burrawang' really belongs to this plant although it is often applied to other species of Macrozamia. However its palm-like, feathery foliage, and cones, make it very similar to a palm or tree fern. Cycas is a genus of plants belonging to a very ancient lineage, the Cycadophyta, which are not closely related to palms, ferns, trees or any other modern group of plants. There are about 20 species which occur in wild state in China, Japan, Australia, Africa, Nepal, Bangladesh, Burma and India. Juvenile leaflets are blue-green, with dense orange-brown hairs that later fall off. Diagnostic. The pet may appear bruised, have nose bleeds (epistaxis), melena (blood in the stool), hematochezia (bloody straining), and hemarthrosis (blood in the joints). Cycas wallichii Miq. - Leaves are 2-3 ft long, deep green with decorative feathery leaflets. Cycas siamensis Miquel 1863 Name: Siam is an old name for Thailand This Cycad produces flat leaves whose colour (silvery-white, yellow, orange, brown) depends on the colour of hairs on the leaves. Sago is extracted from the sago cycad by cutting the pith from the stem, root and seeds of the cycads, grinding the pith to a coarse flour and then washing it carefully and repeatedly to leach out the natural toxins. See below Description. Description Trunk to 3(-8) m × 45(-95) cm, base and sometimes distal part with numerous adventitious lateral branches or bulbils, apex tomentose; bark gray-black, scaly. [11] Estragole is the primary volatile compound emitted from the male and female cones of C. [16], This article is about the cycad sago palm. Overview. King Sago Palm, Sago Cycad, Japanese Sago Palm, "pahadi Supari' 'पहाडी सुपारी' In Marathi, Sago Palm. Cycas rumphii Miq. Phytochemical Investigation of Cycas circinalis and Cycas revoluta Leaflets: Moderately Active Antibacterial Biflavonoids. Pets are at particular risk, since they seem to find the plant very palatable. Cycas is the most widely distributed genus of the order Cycadales. Extracting edible starch from the sago cycad requires special care due to the poisonous nature of cycads. Grows well in full sunlight to partial shade. Preferred Common Name; sago cycas Taxonomic Tree; Domain: Eukaryota Kingdom: Plantae Phylum: Spermatophyta Subphylum: Gymnospermae Class: Cycadopsida; There are no pictures available for this datasheet If you can supply pictures for this datasheet please contact: Compendia CAB International Wallingford Oxfordshire OX10 8DE UK [email protected]. • Cycas revoluta var. [5] Tannins-rich cells are found on either side of the algal layer to resist the algal invasion. [15] Other toxins include Beta-methylamino L-alanine, a neurotoxic amino acid, and an unidentified toxin which has been observed to cause hindlimb paralysis in cattle. The petiole or stems of the sago cycad are 6–10 cm (2.4–3.9 in) long and have small protective barbs. Fruit: large almost golf ball size (megasporophylls) Common Name: Japanese Sago Palm Cultivated plant with lots of new leaf growth in the Aswan Botanical Garden on Kitchener's Island, Aswan, Egypt Photograph by: Karelj Due to its wide range and sporadic dispersal, many races exist and the species is highly variable. • Cycas revoluta var. Cycas beddomei Dyer Photo Courtesy: B. Ravi Prasad Rao CYCADACEAE Cycas beddomei Dyer Common English names: Beddome's cycas, Cicas di Beddome. For the "true sago palm", see. Key features: Dramatic foliage Sago palm, Cycas revoluta, is not a palm at all but a cycad. 2002 Jul;89(7):281-94. Review. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is … Grows faster and larger than the sago palm and is not as susceptible to scale insects. Cycas revoluta is an evergreen Tree growing to 3.5 m (11ft) by 3.5 m (11ft) at a slow rate. • Cycas revoluta var. The leaves can bleach somewhat if moved from indoors to full sun outdoors. Folioles are very similar to conifer needles and are thick and rigid. Scientific name Cycas ophiolitica K.D.Hill Common name Marlborough blue WildNet taxon ID 8437 Nature Conservation Act 1992 (NCA) status Endangered Environment Protection and Biodiversity Conservation Act 1999 (EPBC) status Endangered Back on Track (BoT) status Critical Conservation significant Yes Confidential Yes Endemicity Native Pest status Nil Short Notes Gymnosperm, three sheets Description Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. … Leaves: leaves pinnate, leaflets with a midrib but no literal veins, not sharped tipped. Cycas revoluta, just like every other cycad, is not a palm but well a gymnosperm, thus relating it with conifers; the palmed shape of its leaves denotes convergent evolution of the palms, a true Angiospermfamily. The best-known species is Cycas revoluta, widely cultivated under the name "Sago Palm" or "King Sago Palm" due to its palm-like appearance although it is not a true palm. Interested in this product? Estragole (4-allylanisole) is the primary compound in volatiles emitted from the male and female cones of Cycas revoluta. The leaves are 1-pinnately divided, glossy green, the leaflets narrow with a sunken midrib and the margins rolled downward. Cycas circinalis : Expert: Roy Osborne : Notes: 119 Calhoun Street, McDowall, Queensland, 4053 Australia : Reference for: Cycas circinalis : Other Source(s): Source: Checklist of CITES species, CD-ROM (version 2008) Acquired: 2009 ... Common Name: Scientific Name : TSN: In: Kingdom Go to Advanced Search and Report . - Its name is derived from the greek word kykas which means palm tree. [9], The hydro-alcoholic extract of leaves of C. revoluta shows the presence of alkaloids, steroids and tannins while the chloroform extract shows the presence of saponins, tannins and sugars. The plant does best in well-drained soil. [13] Clinical symptoms of ingestion will develop within 12 hours, and may include vomiting, diarrhea, weakness, seizures, and liver failure or hepatotoxicity characterized by icterus, cirrhosis, and ascites. English. Vernacular names [edit wikidata 'Category:Cycadaceae' linked to current category] [edit wikidata 'Cycadaceae' main topic of 'Category:Cycadaceae'] English : Cycads, Cycas العربية : سيكادية This is also called kungi (comb) palm in Urdu speaking areas. Kennedy, New Phytologist, April 1981, Volume 87, Issue 4, pages 751–759, Aulacaspis yasumatsui (Hemiptera: Sternorrhyncha: Diaspididae), a Scale Insect Pest of Cycads Recently Introduced into Florida. ex Loudon. - Plants are relatively slow growing. Form: stout palm-like tree; branching rare. Cycas edentata Common name: Paku Raja . If the smaller species are selected it is possible to grow a mature plant of a reasonable size for a small glasshouse. Others. It is hardy to zone (UK) 9 and is frost tender. The cycad seed contains cycasin toxin and should not be eaten as it is possible for cycasin toxin to survive the most vigorous of repeated washings. Cycasin causes gastrointestinal irritation, and in high enough doses, leads to liver failure. They grow 7-10 ft tall in 15 to 20 years. Verhandelingen uitgegeeven door de hollandse maatschappy der weetenschappen, te Haarlem 20(2): 424, 426–427. Common Name(s): Emporer Sago; Phonetic Spelling SY-kas tay-tung-EN-sis Description. It grows best in sandy, well-drained soil, preferably with some organic matter. prolifera Siebold and Zucc. All parts of the plant are toxic; however, the seeds contain the highest level of the toxin cycasin. Forrest W. Howard, Avas Hamon, Michael Mclaughlin, Thomas Weissling and Si-lin Yang, The Florida Entomologist, March 1999, Vol. Photo Courtesy: C. Murugan CYCADACEAE Cycas rumphii Miq. [3], This very symmetrical plant supports a crown of shiny, dark green leaves on a thick shaggy trunk that is typically about 20 cm (7.9 in) in diameter, sometimes wider. Yes, I am interested! Described 1658 from the Malabar Coast in southwest India and is the type species of Cycas. It is one of the most widely cultivated cycads, grown outdoors in warm temperate and subtropical regions, or under glass in colder areas. 0. First described in the late 18th century, it is tolerant of mild to somewhat cold temperatures, provided the ground is dry. Common Name(s): Cycad; Sago Palm; Phonetic Spelling SY-kas reh-vol-OO-tah This plant has medium severity poison characteristics. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is … ... extending inland to the slopes of the Great Dividing Range. Cycas is the type genus and the only genus currently recognised in the cycad family Cycadaceae. Also, the … Back to the Plant Families list Complete list of the world's Cycads [Cycadae] This database is a free to use horticultural and conservation research tool, and contains the current up-to-date list of all the world's Cycad species ex Gaudich. Cycads: their evolution, toxins, herbivores and insect pollinators. Cycas circinalis is an evergreen Shrub growing to 3.5 m (11ft 6in) at a slow rate. Description Thunberg, Carl Peter. Trunks can branch multiple times, thus producing multiple heads of leaves. It is in leaf all year, in flower from May to July, and the seeds ripen from October to November. If any quantity of the plant is ingested, a poison control center or doctor should be contacted immediately. It is one of several species used for the production of sago, as well as an ornamental plant. Hiroshi Azuma and Masumi Kono, Journal of Plant Research, November 2006, Volume 119, Issue 6, pages 671-676, "Cycas Revoluta: The Sago Palm, or Cycad Toxicity", https://en.wikipedia.org/w/index.php?title=Cycas_revoluta&oldid=1010853767, Creative Commons Attribution-ShareAlike License. Flower: male: pollen cone called a strobilus, female: leaf-life structures called megasporophylls. It has an erect trunk, 8-14cm in diameter and a dense, rounded crown of leaves. Cycas undulata Desf. As with other cycads, it is dioecious, with the males bearing pollen cones (strobilus) and the females bearing groups of megasporophylls. Trunk: 6m or taller. Areca Lutescens. The trunk is very low to subterranean in young plants, but lengthens above ground with age. Cycas revoluta : Expert: Roy Osborne : Notes: 119 Calhoun Street, McDowall, Queensland, 4053 Australia : Reference for: Cycas revoluta : Other Source(s): Source: Checklist of CITES species, CD-ROM (version 2008) Acquired: 2009 ... Common Name: Scientific Name : TSN: In: Kingdom Go to Advanced Search and Report . [14] The ASPCA Animal Poison Control Center estimates a fatality rate of 50 to 75% when ingestion of the sago palm is involved. Ultrastructure and phenolic histochemistry of the Cycas revoluta-Anabaena symbiosis. More information; Don't need … The sole genus in Cycadaceae Persoon. This very symmetrical plant supports a crown of shiny, dark green leaves on a thick shaggy trunk that is typically about 20 cm in diameter, sometimes wider. 82, No. The toxic yellow to red seeds … For species not described here, interested readers are referred to the excellent descriptions provided by The Cycad Pages and in Whitelock (2002) for data on all species of Cycas). ... Cycas circinalis is Red Listed Endangered species. The starchy residue is then dried and cooked, producing a starch similar to palm sago/sabudana. This plant has gained the Royal Horticultural Society's Award of Garden Merit[6] (confirmed 2017).[7]. This page was last edited on 7 March 2021, at 18:13. Common English names: Malayan fern palm, Rumphius Cycas. Note: Identification attempted; may not be accurate. The trunk is very low to subterranean in young plants, but lengthens above ground with age. Cycas squarrosa Lodd. Linnaeus. • Cycas revoluta var. Common name: Sago palm or palm fern. Get Best Quote. revoluta.[12]. Mature leaves are 40-110cm long, glossy, mid to dark green, and keeled (V-shaped) in cross-section. 1, pages 14-27 (, Leaves Of Cycas revoluta: Potent Antimicrobial And Antioxidant Agent. Of all the cycads, C. revoluta is the most popular in cultivation. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links. Before use, the starch must be carefully washed to leach out toxins contained in the pith. - [ (SY-kas) from the Greek kukas, an erroneous reading of koikas, a kind of palm tree; (re-vo-LOO-tuh) rolled back from margins or apex ], Synonyms: Cycas miquelii Warb. Palma polypodiifolia Mill. Origin and Habitat: Cycas circinalis, also known as the queen sago, is a species of cycad known in the wild only from southern India (Kerala, Karnataka, Tamil Nadu, and may also occur south of Maharashtra). The Latin specific epithet revoluta means "curled back",[2] in reference to the leaves. Manoj K Mourya, Archana Prakash, Ajay Swami, Gautam K Singh and Abhishek Mathur, World Journal of Science and Technology, 2011, Vol 1, No 10, pages 11-20 (. Common name: Sago Palm, King Sago Botanical name : Cycas revoluta - [ (SY-kas) from the Greek kukas, an erroneous reading of koikas, a kind of palm tree; (re-vo-LOO-tuh) rolled back from margins or apex ] Cycad sago is extremely poisonous to animals (including humans) if ingested. Frost damage can occur at temperatures below −10 °C (14 °F). The pollen cone is large and erect. : Perita, Madhana - Kamakshi. The species are listed here, with links to those species treated here. Cycads' only relation to the true palms (Arecaceae) is that both are seed plants. Vernacular names: Tel. The seeds hang on loosely arranged leaves …
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