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

10. Epigeneium treutleri (J. D. Hooker) Ormerod, Oasis. 1(3): 3. 2000.

长爪厚唇兰 chang zhao hou chun lan

Coelogyne treutleri J. D. Hooker, Fl. Brit. India 5: 837. 1890; Epigeneium yunnanense Tang & Z. H. Tsi; Pleione treutleri (J. D. Hooker) Kuntze.

Rhizome branching, densely covered with tubular membranous sheaths ca. 12 mm. Pseudobulbs borne 5-6.5 cm apart on rhizome, ascending, narrowly ovoid, 20-25 × 4-5 mm, 2-leaved, base covered with large sheaths, golden yellow when dried. Leaf blade oblong, 4-6.5 × 1.2-1.4 cm, leathery, subsessile or with petiole ca. 5 mm, apex obtuse and slightly emarginate. Inflorescence 1-flowered; peduncle ca. 1 cm, enclosed in 2 long sheaths; floral bracts subobovate, ca. 9 mm, membranous. Flowers purplish red; pedicel and ovary ca. 2.5 mm. Dorsal sepal lanceolate, 16-23 × 5-7 mm, acuminate; lateral sepals slightly obliquely lanceolate, nearly as long as dorsal sepal, base ca. 7 mm wide, apex acuminate. Petals linear, ca. 23 × 2.5 mm, acute; lip nearly obovate in outline, 14-16 mm, base with a claw ca. 5 mm, 3-lobed; lateral lobes erect, narrowly oblong, rounded; mid-lobe nearly orbicular, ca. 11 mm wide, apiculate; disk with 3 lamellae, outer most prominent and obliquely truncate, median shorter and very low. Column 1-1.2 cm, foot ca. 7 mm. Fl. Oct.

Epiphytic on tree trunks in dense forests; 1400-2400 m. NW Yunnan [India (Sikkim)].


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