Arisaema candidissimum (Araceae)
Plants dioecious. Tuber depressed globose, 3–5cm in diam. Cataphylls 3 or 4, pinkish brown, sparsely spotted with whitish dots, 5–24 × 4–5cm, membranous, apex obtuse, convolute, encircling pseudostem. Leaf solitary; petiole entirely green, 15–35cm, base forming pseudostem, ca. 1.2cm in diam., smooth; leaf blade 3-foliolate, papery; leaflets sessile, ovate or nearly orbicular, apex rounded or acute; central leaflet 6–8 × 7–9cm (at anthesis and much expanded later), base shortly cuneate; lateral leaflets slightly oblique, 5–6 × 4–8cm. Inflorescence arising before leaves. Spathe pale green or white with green or purple longitudinal lines; tube cylindric, 3–4 × ca. 2cm, throat margins recurved; limb ovate to ovate-lanceolate, 5–6 × 3–4cm, apex with a tail 2–3cm. Spadix unisexual; female zone oblong, ca. 2 × 1cm; ovary green, obovoid; stigma subsessile, rounded; male zone cylindric, 1.6–2cm × 3–4mm; synandria consisting of 2 or 3 anthers; thecae yellow, sub-globose, opening by apical pores. Appendix suberect or erect, white or pale green, funnel-shaped, subcylindric, 3–4.5cm × 2–5 mm, naked, base attenuate, subsessile to stipitate, apex acute or obtuse.
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.
Quercus forests, valley thickets.