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

1. Diphylax urceolata (C. B. Clarke) J. D. Hooker, Hooker’s Icon. Pl. 19: ad t. 1865. 1889.

尖药兰 jian yao lan

Habenaria urceolata C. B. Clarke, J. Linn. Soc., Bot. 25: 73. 1889.

Plants 8-10 cm tall. Stem often slightly curved, slender, with 1 or 2 tubular sheaths at base and 1 large leaf above. Leaf oblong to oblong-lanceolate, 3-3.5 × 1-1.2 cm, adaxially with white venation, apex acute. Inflorescence with several to 12 secund flowers; foliaceous sterile bracts 1 or 2, lanceolate, 0.8-1 × 0.1-0.4 cm, apex acute; rachis 2.5-3 cm; floral bracts ovate or lanceolate, ca. as long as ovary. Flowers white, greenish white, or pink, small; ovary fusiform, 4-5 mm including pedicel. Sepals lanceolate, ca. 5 × 1.5 mm, 1-veined, apex acute. Petals connivent with dorsal sepal and forming a hood, linear-oblong, ca. 4.5 × 1.5 mm, 1-veined, apex obtuse; lip decurved, linear-lanceolate, ca. 4.5 mm, lateral margins above middle to apex involute and forming a tube, concave at base, apex acuminate; spur urn-shaped, 2.5-3 mm, shorter than ovary. Column 1-2 mm; apex of connective lanceolate, protruding from anther; rostellum very small; lateral appendages linear, extending as far as or beyond apex of anther locules. Fl. Aug-Oct.

Forests; 1900-3800 m. W Sichuan, NW Yunnan [Bhutan, NE India, N Myanmar, Nepal].


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