长柱重楼 chang zhu chong lou

Daiswa forrestii Takhtajan, Brittonia 35: 268. 1983; Paris longistigmata H. Li.

Plants 18--100 cm tall. Rhizome 2--4.5 × 0.8--2 cm. Leaves (4 or)5 or 6(--8); petiole 1--12 cm; leaf blade oblong, ovate-oblong, obovate-oblong, or oblong-lanceolate, 6.5--16 × 2.4--6.5 cm, base shallowly cordate or rounded. Peduncle 3--15(--20) cm. Outer tepals 4--6(or 7), green, ovate or lanceolate, 1.5--4.5 × 0.6--2 cm; inner ones yellow-green, filiform-linear, 2.5--6.5 cm × 1--2 mm. Stamens 8--12(--14); filaments 3.5--7 mm; anthers 5--8 mm; free portion of connective very short. Ovary purple, conical-ovoid, 4--6-loculed. Style with enlarged base; stigma lobes 5 or 6. Berry green, subglobose, 1.4--1.7 cm in diam. Seeds white or yellow-red, small, slightly enveloped by swollen funicle. Fl. May--Jul, fr. Aug--Nov. 2 n = 10*.

Alpine coniferous forests, evergreen broad-leaved forests; 1900--3500 m. SE Xizang, W Yunnan [Myanmar].