Arisaema exappendiculatum (Araceae)
Tuber depressed globose, 2–5cm in diam., sometimes with thick creeping stolons. Cataphylls purple. Leaf solitary; petiole green, sometimes dark purple, 23–55cm, proximally sheathing into pseudostem; leaf blade radiate; leaflets 7–13, sessile, oblanceolate, 8–22 × 2–4cm, base cuneate, apex long acuminate. Peduncle green, sometimes purplish, much shorter than petioles. Spathe green, occasionally dark purple, slightly glaucous inside; tube pale green, without distinct stripes, cylindric, 2–7 × 1.2–2cm, not broadened nor spreading at throat; limb suberect, ovate-lanceolate, 8–15 × 2.5–3cm (at base), generally with inrolled margins, convolute, tapering into a long caudate apex 5–8cm. Spadix unisexual, 1.5–3cm including appendix; female zone ca. 1.2cm in diam. at base; ovary green, turbinate, slightly angular, apex apiculate; stigma small; male zone 7–8mm in diam. at base; synandria lax; anthers stipitate, circumscissile at apex. Appendix absent, or very rarely broadly cylindric, to 1.5cm.
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 on slopes, grasslands between forests.