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

2. Trichoglottis rosea (Lindley) Ames in E. D. Merrill, Enum. Philipp. Fl. Pl. 1: 440. 1925.

短穗毛舌兰 duan sui mao she lan

Cleisostoma roseum Lindley, Edwards’s Bot. Reg. 24 (Misc.): 80. 1838; C. breviracemum Hayata; C. oblongisepalum Hayata; Pomatocalpa breviracemum (Hayata) Hayata; Trichoglottis breviracema (Hayata) Schlechter; T. oblongisepala (Hayata) Schlechter; T. rosea var. breviracema (Hayata) T. S. Liu & H. J. Su.

Stems clustered, pendulous, to 50 cm, internodes 1.5-2 cm. Leaves many, distichous; blade narrowly lanceolate, 7-10 × 1.2-1.5 cm, slightly fleshy, with amplexicaul-sheathing base, apex acute. Inflorescences several, borne opposite leaves, very short, 3-6-flowered; peduncle 3-6 mm; floral bracts broadly triangular, ca. 2 mm. Flowers white, sometimes tinged with pale yellow or purple; pedicel and ovary ca. 5.5 mm. Dorsal sepal oblong, 7-9 × 2.5-3.5 mm, acute; lateral sepals obliquely ovate, 6-8 × 4-5 mm, acute. Petals falcate-oblanceolate, 7-9 × 2-3 mm, acute; lip somewhat fleshy, shortly spurred; lateral lobes erect, deltoid, ca. 1 mm, obtuse; mid-lobe broadly ovate, 2-3 × 2.5-3.5 mm, apex obtuse, base thickened, forming a fleshy appendage almost covering spur entrance; spur obconic, ca. 2.5 mm, with a ligulate appendage on upper back wall. Fl. Apr-May. 2n = 38*.

● Epiphytic on tree trunks in forests at low elevations. S Taiwan.


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