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Amorphophallus sylvaticus (Roxb.) Kunth

Synonym	:	Amorphophallus zeylanicus Blume Brachyspatha sylvatica (Roxb.) Schott
Family	:	Araceae
Local name	:	Malayalam-  കാട്ടുചേന
Flowering and fruiting period	:	May-August
Distribution	:	India and Sri Lanka
Distribution in Kerala	:	Wayanad
Habitat	:	Semi-evergreen forests
Endemic/Exotic	:	Endemic
Uses		Used in herbal medicine against hemorrhoids
Key botanical characters: Corms to 5 cm thick. Petiole to 40 cm long, green to purplish with maculations. Leaflets decurrent. Peduncle elongate, to 55 cm, subtended to cataphylls of various lengths. Spathe short, to 5.5 cm, cream outside and maroon inside. Spadix elongate, 3-6 x longer than spathe (10-20 cm); pistillate portion to 3 cm; sterile portion c. 0.5 cm; staminate to 3 cm; appendix naked, 9-15 x 0.5-1 cm, variously described as yellow, coppery- purple or pink. Pistillate flowers rather scattered, style short. Sterile flowers gibbous.