中华虾脊兰（植物研究）
Calanthe sinica Z. H. Tsi in Bull. Bot. Res. 15 (4): 419. 1995; 中国兰花全书 141. 1998.
Evergreen broad-leaved forests; ca. 1100 m. SE Yunnan.
This species is very similar to Calanthe sylvatica ( Thou. ) Lindl. The difference is that the leaves of this species are densely pubescent on both sides, the lateral lobes of the lip are nearly round, and the end is enlarged and rod-shaped. |
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Plants 25-34 cm tall. Rhizome short or inconspicuous. Pseudobulbs ovoid-conic, 1-2 × ca. 1 cm. |
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Leaves 4, well developed and spreading at anthesis, not deciduous; blade elliptic, 12-22 × 4-7.5 cm, both surfaces densely pubescent, apex acute; petiole-like base 3-7 cm. |
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Scape arising from leaf axil, erect, to 34 cm, densely puberulent; rachis 2-3 cm, laxly ca. 10-flowered; floral bracts persistent, green, ovate-lanceolate, ca. 15 mm, abaxially densely puberulent. Flowers purplish red; pedicel with ovary ca. 20 mm, densely puberulent. Sepals similar, elliptic, ca. 18 × 8 mm, abaxially densely puberulent, 3- or 4-veined, apex acute. Petals elliptic, ca. 13 × 7 mm, abaxially sparsely puberulent near apex, 3- or 4-veined, apex acute; lip adnate to entire length of column wings, 8-9 mm, 3-lobed; lateral lobes suborbicular or square, ca. 2.2 × 2.1 mm; mid-lobe flabellate, ca. 9 mm wide, base cuneate, apex slightly emarginate; disk with 4 brown spots, base with 3 yellow wartlike calli; spur narrowly clavate, ca. 25 mm, outside sparsely puberulent. Column thick, ca. 5 × 4 mm, wings sparsely puberulent; rostellum 2-lobed; anther cap narrow, beaked. Fl. Jul-Aug. |
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