Arisaema fargesii (Araceae)
Plants dioecious. Tuber subglobose, 3–5cm in diam., with a few tubercles. Cataphylls 3, brown, inner one ca. 15 cm. Leaf solitary; petiole 20–40cm, base 6–7mm 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 × 9–27cm, base shortly cuneate or combined with lateral leaflets, apex acute; lateral leaflets obliquely elliptic, outer side semiovate, 9–23 × 6–16cm. Peduncle emerging from pseudostem, slender and shorter than petioles, 18–26cm. Spathe purple with whitish longitudinal lines; tube subcylindric, 4–8 × 1.5–2cm, throat margins recurved and auriculate; limb arching or suberect, narrowly triangular, 6–12 × 4–4.5cm, apex long acuminate with a tail 1–4cm. 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, 4.5–9cm, proximal part 7–15mm in diam., base attenuate into a short stipe, apex obtuse, ca. 5 mm in diam.
This material was reprinted with permission from the Missouri Botanical Garden Press, St. Louis, and Science Press, Beijing.
This material was reprinted with permission from the Missouri Botanical Garden Press, St. Louis, and Science Press, Beijing.
Forests, thickets, in rocks.