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Species : Alocasia navicularis in Ind. Sem. Hort. Berol. App.: 2 .1855.

Genus : Alocasia (Schott) G. Don

Family : ARACEAE

Synonym(s) : Colocasia navicularis in Index Seminum. Hort. Berol. 1853, App.: 3. 1853.;

Description


A perennial herb, caudex stout, up to 1.5 m long, erect to decumbent. Leaves 22-43 cm long, peltate, broadly oblong sagittate, primary lateral veins 9-12 on each side, petiole up to 1.5 m long. Peduncle shorter than petiole. Spathe 11-15 cm long, strongly constricted, tube green, 4-5 cm long, ovoid-globose, perisstent, limb 7-10 cm long, cymbiform, cuspidate, light yellow. Spadix shorter than spathe, male and female zones separated by a 2-3 cm long neuter zone. Male zone 2 cm long.  Female zone 1.5-2.5 cm long, appendage conoid. Ovary ovoid, ovules 4 or 5, placentation basal, style very short, stigma discoid, obscurely lobed. Fruit berry, obovoid. Flowering and fruiting : June-August. Ecology :  Foothills under shady and moist situations.



Chittagong.


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