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FOC | Family List | FOC Vol. 23 | Araceae | Arisaema

44. Arisaema fargesii Buchet, Notul. Syst. (Paris). 1: 371. 1911.

螃蟹七 pang xie qi

Arisaema bogneri P. C. Boyce & H. Li.

Plants dioecious. Tuber subglobose, 3-5 cm in diam., with a few tubercles. Cataphylls 3, brown, inner one ca. 15 cm. Leaf solitary; petiole 20-40 cm, base 6-7 mm in diam., proximal 1/4 sheathing into pseudostem; leaf blade 3-foliolate; leaflets sessile, membranous; central leaflet rhombic or ovate-oblong to ovate, 12-32 × 9-27 cm, base shortly cuneate or combined with lateral leaflets, apex acute; lateral leaflets obliquely elliptic, outer side semiovate, 9-23 × 6-16 cm. Peduncle emerging from pseudostem, slender and shorter than petioles, 18-26 cm. Spathe purple with whitish longitudinal lines; tube subcylindric, 4-8 × 1.5-2 cm, throat margins recurved and auriculate; limb arching or suberect, narrowly triangular, 6-12 × 4-4.5 cm, apex long acuminate with a tail 1-4 cm. Spadix unisexual; female zone ca. 2 cm; ovary obovoid; stigma subsessile, papillose; male zone cylindric, 2.5-3 cm × 4-5 mm; synandria of 2-4 stamens; thecae ovoid, opening by an apical pore. Appendix robust, suberect or slightly recurved, narrowly conic, long acuminate toward apex, 4.5-9 cm, proximal part 7-15 mm in diam., base attenuate into a short stipe, apex obtuse, ca. 5 mm in diam. Fl. May-Jun.

● Forests, thickets, in rocks; 900-2000 m. Chongqing, S Gansu, W Hubei, Hunan, Sichuan, E Xizang, NW Yunnan (Gongshan).


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