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

10. Calanthe ecarinata Rolfe, J. Linn. Soc., Bot. 29: 318. 1892.

天全虾脊兰 tian quan xia ji lan

Plants to 30 cm tall, without distinct rhizome. Pseudobulbs conic, small, ca. 1 cm in diam., with 3 sheaths. Leaves usually 3, not well developed at anthesis, not deciduous; blade obovate-oblong, 14-15 × 4.5-5 cm, margin slightly undulate, apex acute or obtuse; petiole-like base sheathing, usually forming a pseudostem to ca. 9 cm. Scape arising from leaf axil, erect, densely puberulent; rachis ca. 4 cm, usually ca. 10-flowered; floral bracts persistent, ovate-lanceolate, 4-5 mm, membranous, glabrous, apex acuminate. Flowers pale yellow; pedicel and ovary ca. 10 mm, puberulent. Dorsal sepal elliptic, 10-11 × 5-5.5 mm, abaxially densely puberulent, 5-veined, apex acute; lateral sepals oblong-lanceolate, 10-11 × 4.5-5 mm, abaxially densely puberulent, 5-veined, apex acute. Petals oblong, ca. 4.5 × 3 mm, abaxially often sparsely puberulent at base, apex obtuse; lip adnate to base of column wings, 5.5-7 × 5.5-7 mm, spurless, 3-lobed at base; lateral lobes subsquare, 3-4 × 2.5-3 mm; mid-lobe flabellate, ca. 5 × 6 mm, margin ± undulate, apex emarginate and mucronate in sinus; disk without lamellae or calli. Column ca. 7 mm, dilated at apex, wings not decurrent to base of lip, ventrally puberulent at base; rostellum 2-lobed; lobes ca. 0.8 mm; anther cap ovate, ± beaked; pollinia slightly compressed obovoid, equal in size, ca. 1 mm, with short caudicles; viscidium peltate, small. Fl. Jun.

● Forests; 2400-2500 m. W Sichuan.


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