Arisaema austroyunnanense (Araceae)
Tuber globose, 1–2cm in diam. Cataphylls green, acute. Leaf 1; petiole green, proximally sheathing into pseudostem; leaf blade 3-foliolate; leaflets glaucous abaxially, green adaxially; central leaflet with petiolule ca. 15mm, blade ovate or ovate-oblong, 8–10 × 2.8–6cm, base obtuse, apex abruptly acuminate; lateral leaflets with petiolule 3–5mm, blade ovatelanceolate, 9–10 × 4.8–5cm, base rounded, oblique, apex acuminate. Peduncle as long as petioles, slender. Spathe small, ca. 6.5cm in total; tube pale green, funnelform, ca. 2.8cm, throat ca. 1.5cm in diam., margins obliquely truncate, not auriculate; limb erect, dark green, ovate-lanceolate, ca. 3 × 1.5cm, apex acuminate with a short tail at tip, base slightly constricted, with a white ca. 5mm high basal zone. Spadix unisexual. Male spadix slender; male flowers sparse; synandria of 2–4 stamens, subsessile; thecae subglobose, opening by an apical slit; appendix erect, ca. 2.2cm, slender, with several scattered, short, subulate neuter flowers from base to apex; neuter flowers less than 1mm. Female spadix unknown.
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.
Tropical forests.