华白及
Bletilla sinensis (Rolfe) Schltr. in Fedde Repert. Sp. Nov. 10: 256. 1911, et in Fedde Repert. Sp. Nov. Beih. 4: 159. 1919; S. Y. Hu in Quart. J. Taiwan Mus. 25 (1, 2): 58. 1972; Seidenf. in Dansk Bot. Ark. 32 (2): 182. fig. 113 (a-d.). 1978. ——Arethusa sinensis Rolfe in J. Linn. Soc. Bot. 36: 46. 1903. ——Bletilla chinensis Schltr., Orchid. 107. 1914, ed. 2. 104. 1927. ——jimensia sinensis (Rolfe) Garay et Schultes in Bot. Mus. Leafl. Harv. Univ. 18: 184. 1958.
Forests. S Yunnan [Myanmar, Thailand]. |
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Plants 15-20 cm tall. Rhizome subglobose, 1-1.5 cm in diam. Stem short, to ca. 3 cm, stout, enclosed by leaf bases and tubular sheaths, 2- or 3-leaved. |
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Leaves basal, elliptic-lanceolate, 5-12 × 0.8-3 cm, base contracted into amplexicaul sheath, apex acute or acuminate. |
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Peduncle 7-15 cm, slender, with 1 short sheathing bract; rachis flexuous, 1-2 cm, simple, 1-3-flowered; floral bracts often deciduous at anthesis, oblong-lanceolate, 5-8 mm, usually much shorter than ovary, apex acute. Flowers suberect or nodding, pale purple; pedicel and ovary twisted, 7-9 mm. Sepals white, tinged with purple, linear-lanceolate, 11-13 × ca. 3 mm, apex subacute. Petals white, tinged with purple, lanceolate, 11-13 × 3-3.5 mm, apex acute; lip white, with small purplish spots and purple apex, narrowly rhombic-obovate, obscurely 3-lobed near apex to almost entire, concave, 11-13 × 5-6 mm, apical margin irregularly fimbriate-serrulate; disk with 3 longitudinal fimbriate lamellae. Column cylindric, 8-9 mm, slender, dilated toward apex; rostellum large. Fl. May-Jun. |
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