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

1. Dendrolirium tomentosum (J. Koenig) S. C. Chen & J. J. Wood, Fl. China. 25: 350. 2009.

绒兰 rong lan

Basionym: Epidendrum tomentosum J. Koenig in Retzius, Observ. Bot. 6: 53. 1791; Eria hainanensis Rolfe; E. tomentosa (J. Koenig) J. D. Hooker; Pinalia tomentosa (J. Koenig) Kuntze.

Rhizome ca. 5 mm in diam., with 4 or 5 nodes and funnel-shaped sheaths between pseudobulbs. Pseudobulbs slightly compressed, ellipsoid, 2-7 × 1.5-2.5 cm, often with 2 or 3 nodes, distally 3- or 4-leaved. Leaf blade elliptic or oblong-lanceolate, 10-24 × 1-5 cm, relatively thick, sometimes fleshy, base articulate, apex acute; petiole 1-1.5 cm. Inflorescence arising from near base of an old pseudobulb, 10-30 cm, stout, densely light brown tomentose, with 6 or 7 funnel-shaped basal sheaths, many flowered; floral bracts ovate or ovate-lanceolate, 1.2-2 cm, abaxially densely light brown tomentose, adaxially sparsely hairy, apex acuminate; pedicel and ovary 3-4 cm, densely light brown tomentose. Sepals densely light brown tomentose abaxially; dorsal sepal oblong-lanceolate, 10-15 × ca. 3 mm, shortly acuminate; lateral sepals obliquely ovate-lanceolate, 10-15 × 4-5 mm, acuminate. Petals linear-lanceolate, 9-13 × ca. 2 mm, acuminate; lip recurved, suboblong in outline, 10-13 × ca. 4 mm, 3-lobed; lateral lobes suberect, small; mid-lobe subobovate-oblong, 6-7 × 2-4 mm, margin strongly undulate, apex rounded and apiculate; disk with a broad and thick band ca. 7 mm from base to mid-lobe and often finely papillate around band. Column subcylindric, ca. 4 mm (not including anther cap), foot 3-4 mm. Capsule cylindric, 3-3.5 cm, with persistent hairs; fruiting pedicel ca. 2.5 cm, sparsely hairy. Fl. Apr-May, fr. Aug-Sep.

Epiphytic on trees or lithophytic on rocks; 800-1500 m. SE Hainan, S Yunnan [NE India, Laos, Myanmar, Thailand, Vietnam].


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