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

45. Dendrobium denneanum Kerr, J. Siam Soc., Nat. Hist. Suppl. 9: 229. 1933.

叠鞘石斛 die qiao shi hu

Callista clavata Kuntze; Dendrobium aurantiacum H. G. Reichenbach var. denneanum (Kerr) Z. H. Tsi; D. clavatum Wallich ex Lindley (1852), not Roxburgh (1832).

Stems robust, to 47 cm, more than 4 mm in diam. Leaves oblanceolate, to 11 × 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.

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].


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