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FOC | Family List | FOC Vol. 24 | Liliaceae | Ypsilandra

1. Ypsilandra thibetica Franchet, Nouv. Arch. Mus. Hist. Nat. ser. 2, 10: 94. 1887.

丫蕊花 ya rui hua

Helonias thibetica (Franchet) N. Tanaka; Ypsilandra thibetica var. angustifolia F. T. Wang & T. Tang.

Rhizome 1--5 × ca. 1 cm. Leaves usually more than 10, oblanceolate, basally gradually narrowed to a petiole; petiole 3--15 cm × 3--5 mm; leaf blade 4--14 × 1--4.8 cm, apex acuminate. Scape 7--50 cm, usually longer than basal leaves, laxly covered with several scaly leaves. Raceme 5--30-flowered. Pedicel 6--10 mm, nearly as long as tepals. Tepals white, pink, or purple, spatulate-oblanceolate, 6--10 × 1.5--2.5 mm, 3--5-veined. Stamens 1--1.8 cm, obviously extending beyond tepals at anthesis. Ovary deeply 3-lobed apically; lobes 1/3--2/5 as long as ovary. Style 1.6--2 cm, slightly longer than stamens; stigma capitate, slightly or scarcely 3-lobed. Capsule broadly ovoid, 1/2--2/3 as long as persistent tepals. Seeds 4--5 mm. Fl. Mar--Apr, fr. May--Jun. 2 n = 34*.

* Forests, moist places on hillsides, shady slopes along valleys; 1300--2900 m. NE Guangxi, S Hunan, Sichuan, Taiwan.

After publication of the family treatment for the Flora of China, a new record of the species and the genus as a whole was added for Taiwan (Hsu, T. W. et al. 2011. Bot. Stud. 52: 99–104).


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