翅萼石斛  转到中国兰科植物志

Dendrobium cariniferum  分类来源:中国植物志

翅萼石斛(中国高等植物图鉴)

 

Dendrobium cariniferum Rchb. f. in Gard. Chron.: 611. 1869; Hook. f., Fl. Brit. Ind. 5: 720. 1890; Kraenzl. in Engler, Pflanzenr. 45 (IV. 50, II. B. 21): 92. 1910; 中国高等植物图鉴 5: 983. 1976; Z. H. Tsi in Acta Phytotax. Sin. 18 (4): 437. 1980; Seidenf. in Opera Bot. 83: 120, fig. 76. 1985; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 67. 1990; Seidenf., l. c. 114: 215, fig. 137. 1992; Averyanov, Iden. Guide Vietnam. Orch.: 182. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 291. 1995; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 67, pl. 76. 1997; 中国兰花全书: 159, 图6-12 (7). 1998.

Epiphytic on tree trunks in mountain forests; 1100-1700 m. S Yunnan [NE India, Laos, Myanmar, N Thailand, Vietnam].

IMG_2218.JPG

Stems golden yellow when dry, cylindric or sometimes enlarged and fusiform, 10-28 cm, ca. 15 mm in diam. at middle, fleshy and thick, unbranched, with more than 6 nodes, internodes 1.5-2 cm.

IMG_2219.JPG

IMG_2220.JPG

 Leaves several, distichous, oblong or ligulate-oblong, to 11 × 1.5-4 cm, leathery, abaxial surface and leaf sheaths densely black hirsute, base decurrent forming clasping sheaths, apex obtuse and slightly unequally bilobed.

IMG_2226.JPG

IMG_2227.JPG

 Inflorescences subterminal, 1- or 2-flowered; peduncle 5-10 mm, basal sheaths 3 or 4; floral bracts ovate, 4-5 mm, acute. Pedicel and ovary ca. 3 cm; ovary tricarinate. Flowers orange-scented, spreading, thickly textured; ovary yellowish green, sepals pale yellowish white, mentum pale yellow tinged orange-red, petals white, lateral lobes of lip orange-red, mid-lobe yellow, disk reddish orange, column white tinged reddish orange, anther cap white. Sepals dorsally carinate; dorsal sepal ovate-lanceolate, ca. 25 × 9 mm, apex acute; lateral sepals obliquely ovate-triangular, nearly as large as dorsal sepal; mentum angulate, decurved near apex or sigmoid, ca. 20 mm, forming spur. Petals oblong-elliptic, ca. 20 × 10 mm, 5-veined, acute; lip trumpet-shaped, 3-lobed; lateral lobes subobovate, embracing column, front margin denticulate; mid-lobe nearly transversely oblong, front margin irregularly notched, apex concave; disk shortly fimbriate along veins. Column ca. 7 mm; anther cap subspherical, front margin densely papillate-hairy. Capsule ovoid, to 3 cm in diam.

Flowering March-April.

IMG_2222.JPG

IMG_2237.JPG

IMG_2235.JPG

IMG_2238.JPG

IMG_2239.JPG

IMG_2241.JPG

fruit:



 



特别鸣谢: