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Department of Botany

Since 1980



Cycas circinalis L.

Cycadaceae

Eentha panai/ Katu thuvai

   Botanical NameCycas circinalis L.
   Synonyms--
   FamilyCycadaceae
   Common NameEnglish: Queen sago / Tamil: Eentha panai, Katu thuvai
   DistributionGlobal: Endemic to Southern India and Sri Lanka. Introduced as ornamental to tropical countries
Indian: Southern India
   Description: Evergreen trees with terminal crown grows up to 8m height, trunk with alternating scale and foliage leaf bases, bark thick. Leaf crown at apex 20-25 pinnately compound leaves, petiolate with short spines at margin, each leaf consists of 62 – 135 pairs of leaflets. Plant dioecious male and female cones produced separately can be identified only during cone formation. Male cone - microsporophyll densely aggregated to form large terminal cones, stalked, compact, narrowly ovoid, woody, light brown to orange in colour, it has an average of 700 microsporophyll, horizontal or flattened with narrow basal portion, upper part with pointed apical spine, sporangia occur in abaxial side in a group of 3 or 4 microsporangia. Pollen grain light yellow, powdery, and spherical. Female cone represents by cluster of megasporophylls at apex of stem, loosely arranged, ovules 1-5 arranged on either side of megasporophyll. Seed globose.
   Flowering Fruiting periodApril - June
   UsesPlanted as ornamental in garden and as indoor plant. Soaked seed edible after complete washing.
   Medicinal UsesThe bark and seeds are made in to paste with oil and used as poultice on sore and swellings. Tender leaf juice used for the treatment of flatulence and vomiting.
   Tamil NameEentha panai/ Katu thuvai