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

1. Trichotosia pulvinata (Lindley) Kraenzlin in Engler, Pflanzenr. 50(IV. 50. II. B. 21): 138. 1911.

高茎毛鞘兰 gao jing mao qiao lan

Eria pulvinata Lindley, J. Proc. Linn. Soc., Bot. 3: 56. 1858; E. rufinula H. G. Reichenbach; Pinalia pulvinata (Lindley) Kuntze; P. rufinula (H. G. Reichenbach) Kuntze; Trichotosia rufinula (H. G. Reichenbach) Kraenzlin.

Plants reddish brown tomentose. Stem pendulous, cylindric, often to 50-100 cm, 6-8 mm in diam., with many nodes, internodes ca. 2 cm. Leaves alternate along stem, lanceolate or oblong-lanceolate, oblique, 6-10 × 1-1.8 cm, both surfaces reddish brown tomentose, sheathing at base, apex acuminate; sheaths 1.5-2 cm, reddish brown tomentose, amplexicaul. Inflorescence borne above middle of stem, arising opposite leaves, ca. 2 cm, 3-6-flowered; floral bracts ovate-lanceolate, 5-6 mm, reddish brown tomentose abaxially. Flowers white, flushed pink; pedicel and ovary ca. 6 mm. Sepals reddish brown tomentose abaxially; dorsal sepal oblong, ca. 10 × 3 mm, obtuse; lateral sepals ovate-triangular, oblique, ca. 10 × 4 mm. Petals lanceolate, ca. 8 × 2 mm, glabrous, obtuse; lip subspatulate in outline, ca. 13 × 4 mm, entire, margin reflexed; disk with an elongate pulvinate callus toward apex. Column ca. 4 mm, apex slightly dilated; foot ca. 5 mm. Capsule ellipsoid, ca. 1 cm × 5 mm, hirsute. Fl. Mar, fr. next Jul.

Lithophytic on rocks in forests; 1200-2000 m. S Guangxi, S Yunnan [Cambodia, India, Laos, Malaysia (Peninsular), Myanmar, Thailand, Vietnam].


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