叠鞘石斛（变种）紫斑金兰（云南种子植物名录）
var. denneanum (kerr) Z. H. Tsi, grad. nov. ——Dendrobium denneanum Kerr in J. Siam Soc. Nat. Hist. Suppl. 9: 229. 1933; P. E. Hunt et Summerh. in Taxon 10: 110. 1961; 中国高等植物图鉴 5: 700. 图8230. 1976; Z. H. Tsi in Acta Phytotax. Sin 18 (4): 439. 1980. ——D. clavatum Lindl. in paxt. Fl. Gard. 2: 104, t. 189. 1851-1852 (non Roxb.). ——D. chryseum auct. non Rolfe: 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: 70, 1. 78. 1997.
Epiphytic on tree trunks in open forests; 600-2500 m. W Guangxi, S Guizhou, Hainan (Bawangling), NW to SE Yunnan [India, Laos, Myanmar, Nepal, Thailand, Vietnam].
|
| |
Stems robust, to 47 cm, more than 4 mm in diam. |
| |
Leaves oblanceolate, to 1.8-4.5 cm. |
| |
Inflorescences subapical on leafless penultimate and older stems, stiffly arching, 5-14 cm, to 7-flowered; floral bracts prominent, 1.8-3 cm. Flowers ca. 5 cm wide, orange-yellow, lip with a maroon center or large purple spots on adaxial surface; many clones ± cleistogamous. |
| |
| ||
| ||
|
| |
|
| |
Fruit : | ||
