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FOC | Family List | FOC Vol. 25 | Orchidaceae | Bhutanthera

1. Bhutanthera alpina (Handel-Mazzetti) Renz, Edinburgh J. Bot. 58: 102. 2001.

高山兰 gao shan lan

Habenaria alpina Handel-Mazzetti, Symb. Sin. 7: 1336. 1936; Peristylus alpinus (Handel-Mazzetti) K. Y. Lang.

Plants slender, 4-7 cm tall. Tubers subglobose, to ca. 5 mm in diam. Stem with 1-3 tubular sheaths at base, 2-leaved. Leaves subopposite, elliptic, elliptic-lanceolate, or obovate, 1-2.5 × 0.5-1 cm, apex acute to obtuse. Inflorescence 1-5-flowered; peduncle ridged, 3-5 cm, free of leaf bases and visible beyond stem apex; floral bracts triangular, very small. Flowers suberect, green; sepals and petals tinged white along apical margin; pedicel and ovary fusiform, 2-3 mm, slender. Dorsal sepal erect, broadly ovate, 2-3 × 1.5-2 mm, apex obtuse to subrounded; lateral sepals spreading, ovate, oblique, 3-3.5 × 2-2.5 mm, apex acute. Petals loosely connivent with dorsal sepal, erect, broadly ovate, 1-1.5 × 0.7-1 mm, fleshy, apex obtuse; lip spreading, ovate-lanceolate, 1-1.5 × ca. 0.5 mm, fleshy, 3-lobed below middle; lateral lobes orbicular-ovate, very small, apex obtuse; mid-lobe ligulate-lanceolate, 0.8-1 mm, apex acute; spur cylindric, 2-3 mm, apex obtuse. Column ca. 1 mm. Fl. Jul-Aug.

Damp alpine meadows; 4200-4300 m. SE Xizang [Bhutan, India (Sikkim)].


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