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

2. Spathoglottis pubescens Lindley, Gen. Sp. Orchid. Pl. 120. 1831.

苞舌兰 bao she lan

Spathoglottis fortunei Lindley; S. plicata Blume var. pubescens (Lindley) M. Hiroe.

Pseudobulbs dorsiventrally compressed, globose, usually 1-2.5 cm in diam., ± covered with leathery scalelike sheaths, with 1-3 leaves. Leaf blade linear-lanceolate, ca. 43 × 1-1.7(-4.5) cm, base acute. Inflorescence (11-)20-50 cm, densely pubescent, lower part covered with several amplexicaul tubular sheaths; rachis 2-9 cm, sparsely 2-8(-12)-flowered; floral bracts lanceolate to ovate-lanceolate, 5-9 mm, pubescent, apex acute. Flowers yellow, base of lip spotted violet; pedicel and ovary 2-2.5 cm, densely pubescent. Sepals ovate-elliptic, 12-19 × 5-8 mm, outer surface pubescent, with 5-7 main veins, apex acute. Petals broadly oblong, 12-17 × 8-10 mm, with 5 or 6 main veins, apex obtuse; lip 12-17 mm, saccate at base, sometimes with 2 small obtuse auricles at base of claw, 3-lobed; disk with 3 keels; lateral lobes oblong, deeply incised, apex rounded or truncate; mid-lobe obovate-cuneate, ca. 13 mm, base with a distinct claw, apex subtruncate and emarginate; disk with a low, central ridge running from middle of claw to midway along mid-lobe; keels arising from base of lip, sometimes pubescent, outer 2 terminating at base of claw, central one divided at apex in 2 large, fleshy, rounded-truncate extensions and terminating at base of mid-lobe. Column 8-10 mm. Fl. Jul-Nov. 2n = 38, 40.

Sparse forests, grassy slopes; 300-1700 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang [Cambodia, NE India, Laos, Myanmar, Thailand, Vietnam].


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