Strychnos nuxvomica L

[From Greek, strukhnos = kind of nightshade and from Latin, nux = a nut and vomere = to vomit]

Physical description: It is a tree native to Southeast Asia which grows in tropical Asia to a height of 15 m. The bark is light grey and warty, and the inner bark is straw-colored. Leaves: simple and decussate. The petiole is channeled, 8mm-1 cm long and somewhat curved at the base. The blade is rigid, showily 3-nerved, variously shaped, and broadly elliptic to round and 6.2 cm x 3.7cm-9.8cm x 6.8 cm. The apex is round, acute or notched, and the

Common name: Strychnine tree, poison nut, nux vomica, nux vomica tree.

Fig. 254. Strychnosnux-vomica L. From: KLU 27536. Plants of Ceylon. Geographical localization: North Province, Anuradhapura District, 8 miles Southwest of Anuradhapura, along the road to Puttalam, 31 Oct 1974, altitude: 90 m. Field collectors: Gerrit Davidse & Sum-ithraarachchi. From: KLU 333000 Flora of India. Ex. Herb. Ludg. Batav. Field collector and botanical identification: WF Rodenburg. 18 March 1978. Geographical localization: India, Andhra Pradesh, Mahabubnagar District, Rasul Cheruvu, 15Km South of Acham-pet, 16°, 15' North-78°, 38' East., altitude: 1600 ft, open forest around lake.

base is wedge-shaped. The midrib is flat to sunken above. The inflorescences are terminal panicles of about 3.3 cm-3.5 cm in length. The calyx is very small. The corolla is tubular, 9 mm-1 cm long, drying black, and produces 5 tiny lobes which bend downwards. The style is 1 cm long and protruding. The fruits are globose, smooth, 2.9cm-4cm in diameter, glossy and orange-brown. The seeds are numerous, disc-shaped, flat and 2 cm in diameter (Fig. 254).

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