圆柱叶鸟舌兰 yuan zhu ye niao she lan

Saccolabium himalaicum Deb, Sengupta & Malick, Bull. Bot. Soc. Bengal 22(2): 213. 1968; Holcoglossum himalaicum (Deb, Sengupta & Malick) Averyanov; H. junceum Z. H. Tsi.

Plants pendulous. Stems 9-24 cm, 5-8 mm in diam., upper part with 3-5 leaves. Leaf blade terete, 35-50 × 0.1-0.2 cm, fleshy, channeled adaxially, apex acute. Inflorescences often 1 or 2, supra-axillary, racemose, 4-9 cm, several to 11-flowered; rachis ca. 3 cm; floral bracts reflexed, ovate, ca. 4 mm, membranous. Flowers ca. 1 cm, not opening widely, sepals and petals reddish, lip white; pedicel and ovary ca. 1.3 mm. Sepals and petals elliptic, 4-5 × 2-2.3 mm, dorsally carinate, apex obtuse; lateral sepals slightly broader; lip spurred, 3-lobed, ecallose; lateral lobes erect, ca. 2 × 1.5 mm, rounded; mid-lobe spreading, subobovate-cuneate, 3-4 × 2-2.3 mm, adaxially with 3 longitudinal central veins, apex subtruncate; spur upcurved and falcate, cylindric, 1.3-1.5 cm × ca. 1 mm, obtuse. Column ca. 1 mm, thick. Capsule fusiform, 3-4 cm × 5-7 mm. Fl. Nov, fr. Dec-Jan. 2n = 38, 57.

Epiphytic on tree trunks in broad-leaved evergreen forests; below 1900 m. SW and W Yunnan [Bhutan, NE India, Myanmar].