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

5. Thrixspermum laurisilvaticum (Fukuyama) Garay, Bot. Mus. Leafl. 23: 207. 1972.

黄花白点兰 huang hua bai dian lan

Sarcochilus laurisilvaticus Fukuyama, Bot. Mag. (Tokyo) 52: 246. 1938.

Stems ascending, usually less than 3 cm. Leaves nearly basal, elliptic to linear-oblong, sometimes falcate, 2-8 × 0.7-1.5 cm, acute. Inflorescence ascending to pendulous, 2-4 cm, laxly 2-4-flowered; peduncle and rachis ± flexuous, slender; floral bracts ovate, 2-3 mm. Flowers opening simultaneously, lasting several days, well spaced, creamy yellow or yellowish, sometimes with red spots on lip, lip mid-lobe reddish; pedicel and ovary 7-10 mm. Dorsal sepal elliptic, 6-8 × 4-5 mm, obtuse; lateral sepals obliquely ovate, 6-7 × 4-5 mm, obtuse or acute. Petals suboblong-spatulate, 6-7 × 2-3 mm, obtuse; lip saccate at base, margin 3-lobed; lateral lobes erect, oblong, falcate, 6-7 mm; mid-lobe fleshy, small, mucronate; disk without a callus, with a tuft of purple hairs. Column ca. 3 mm, foot ca. 4 mm. Fl. Apr-May.

Epiphytic on tree trunks in moist forests; 600-1200 m. N Fujian, W Hunan, E and N Taiwan [Japan, N Vietnam].


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