紫斑兰 Hemipilia purpureopunctata
(K. Y. Lang) Y. B. Luo & S. C. Chen, Novon. 13: 450. 2003.
Habenaria purpureopunctata K. Y. Lang, Acta Phytotax. Sin. 16(4): 127. 1978.
Broad-leaved evergreen forests, grasslands, sandy soils along rivers; 2100-3400 m. SE Xizang [NE India (Assam)]. |
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Plants 20-50 cm tall, with purple spots throughout. Tubers 2-4 × 1.5-2 cm. Stem erect, with 2-5 sterile scalelike bracts above leaf. |
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Leaf usually 1, light purple abaxially, green spotted with purple adaxially, elliptic to ovate-oblong, 2-15 × 2-5 cm. Rachis 8-20 cm, 2-20-flowered; floral bracts shorter than ovary. |
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Flowers pale purple; pedicel and ovary 1.3-1.5 cm. Dorsal sepal ca. 5 × 2 mm, 3-veined, apex rounded or obtuse; lateral sepals ca. 6 × 4 mm, apex obtuse. Petals ca. 5 × 4 mm, apex obtuse; lip subovate to flabellate, 10-11 × 9-10 mm, 3-lobed at apex; lateral lobes oblong, usually larger than mid-lobe, apical margin irregularly undulate; mid-lobe ovate, ca. 3 × 2 mm; spur 9-10 × 2-3 mm, with a large mouth, globose apex 2-3 mm in diam. Capsule with purple spots, ellipsoid, ca. 15 × 2-3 mm. Fl. Jun-Jul, fr. Aug-Sep. |
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