Cycas circinalis
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Cycas circinalis, also known as the queen sago, is a species of cycad known in the wild only from southern India. Cycas circinalis is the only gymnosperm species found among native Sri Lankan flora.
Taxonomy
C. circinallis is native to southern India and Sri Lanka, but the species name was formerly widely used for similar cycads in Southeast Asia, which leads to confusion in modern sources. The specimens described as "C. circinallis" in Indonesia and New Guinea are now recognized as Cycas rumphii; while the taxon formerly described as the subspecies C. circinallis ssp. riuminiana from the Philippines is now regarded as a separate species, Cycas riuminiana.[1][2]
Cultivation
The plant is widely cultivated in Hawaii, both for its appearance in landscape and interiors, and for cut foliage.[3]
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Male cone, new
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Male cone, old
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Young shoots
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Seed
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Collected seeds
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Young plant as seen in forest
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Leaf
Use as food
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After the final soaking, the seeds are dried and ground into flour. The flour is used to make tortillas, tamales, soup and porridge.
Lytico-bodig disease
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Chemistry
Leaflets of C. circinalis contain biflavonoids such as (2S, 2′′S)-2,3,2′′,3′′-tetrahydro-4′,4′′′-di-O-methylamentoflavone (tetrahydroisoginkgetin).[5]
References
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- ↑ Phytochemical Investigation of Cycas circinalis and Cycas revoluta Leaflets: Moderately Active Antibacterial Biflavonoids. 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, Script error: No such module "CS1 identifiers".
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External links
- Floridata: Cycas circinalis
- EDIS: Queen sago
- USDA Plants Profile
- University of Hawaiʻi at Manoa: King and Queen Sago
