云南丫蕊花 yun nan ya rui hua

Helonias yunnanensis (W. W. Smith & Jeffrey) N. Tanaka; Ypsilandra yunnanensis var. himalaica H. Hara; Y. yunnanensis var. micrantha Handel-Mazzetti.

Rhizome rather short. Leaves 6 or 7, basally gradually narrowed to a petiole; petiole 0.7--4 cm × 3--5 mm; leaf blade spatulate, 2--9 × 1--3.5 cm, apex subacute. Scape 3--30(--40) cm, much longer than basal leaves. Raceme rather narrow, densely 5--17-flowered. Pedicel 2--3 mm. Tepals spatulate or oblanceolate to elliptic, 4--5 × 1--2 mm. Stamens 3--4 mm, not extending beyond tepals at anthesis or slightly so in fruit. Ovary slightly 3-lobed apically. Style 1--1.5 mm, not elongate in fruit; stigma deeply 3-lobed; lobes ca. 0.8 mm, recurved. Capsule broadly obovoid, slightly longer than persistent tepals. Seeds ca. 5 mm. Fl. Jun--Jul, fr. Aug--Oct.

Rhododendron forests, thicket margins, grassy slopes; 2700--4000(--4300) m. NE Xizang, NW Yunnan [Bhutan, Myanmar, Nepal].