Amorphophallus kachinensis

Burma Arum is a tuberous herb with tubers depressed-spherical, 5-30 cm in diameter and 3-5 cm thick, skin brownish. It is names for the Kachin state in north Burma. Leaf-stalk is about 20 cm long, smooth, dirty white background with green to reddish brown spots. There is a single leaf with leaflets elliptic, 6-9 x 2-3 cm, tip pointed-tapering. Flower-cluster-stalk is 24-80 cm long. Spathe is more or less boat-shaped, slightly convolute at base, 8-29 × 7-14 cm, tip rounded or flat, green or greenish brown outside with green spots or purplish stripes and spots; light purplish within, with scattered, shallow, punctiform warts at base. Spadix is much shorter than spathe, 6.5-18.0 cm long, female zone about 5 cm long; male zone about 7.5 cm long; spadix-appendix about 15 cm high. Female flowers are dense, each about 2.5 mm high; ovary sub-spherical, about 1.5 mm high. Male flowers are dense, each about 2 mm broad, stalkless. Spadix-appendix is ellipsoid or ovoid with several irregular longitudinal grooves or fissures. In Arunachal Pradesh, the corm and seed is used as bait for rodents. Burma Arum is found in dense forests, on limestone rocks, at altitudes of 1000-1500 m, from Arunachal Pradesh to Laos, N Myanmar (Kachin State), N Thailand, China. Flowering: April-May.