Araceae
Remusatia yunnanensis (H.Li & A.Hay) A.Hay
SUMMARY
Herbs, cormous, lithophytes. Tuber purple outside, white inside, globose, ca. 4cm in diam.; bulbiferous stolons 2–4, creeping, simple, to 100cm × ca. 4mm, internodes 5–3.5cm; bulbils ellipsoid, 1–3mm, covered by 4 or 5 scales, bristles filiform and hooked, in scale axils bearing some secondary small bulbils. Leaves 2–4; petiole cylindric, 40–60cm; leaf blade pale green abaxially, green adaxially, ovate, 20–30 × 17–20cm, subleathery, base peltate and cordate, sinus 4–7cm; primary veins 4 or 5 on each side, radiating from petiole and pinnately from midrib of main lobe, secondary venation arching-anastomosing, fine intramarginal vein absent. Inflorescences 1–3, flowering when leaves develop; peduncle green, cylindric, 11–17cm. Spathe tube green outside and inside, ovate-elliptic, ca. 3 × 1.2cm, leathery, apex strongly constricted; limb initially erect, later spreading and soon reflexed, light purple within and dull purple beneath, base yellowish on both surfaces, obovate-oblong, ca. 8.5 × 3cm. Spadix: female zone subcylindric, ca. 15 × 6mm, densely flowered; female flowers 4-carpellate; ovary 1-loculed, green, ovoid, ca. 2mm; ovules many, basal, suberect; stigma sessile, circular; sterile zone yellow, ca. 14mm, slender; male zone yellow, broadly cylindric, ca. 17 × 4mm, attenuate toward base, apex obtuse; synandria of 4 or 5 fused stamens; common filament obconic, apex truncate; thecae 8–10, obovoid, adnate to outside of filament and opening by a terminal pore. 2n = 28*.