ORCHIDACEAE - China

318EPIDENDROIDEAE1. Coelogyne leungiana S. Y. Hu, Quart. J. Taiwan Mus. 25:223. 1972.单 唇 贝 母 兰 dan chun bei mu lanRhizome creeping, 2–3 mm in diam., densely coveredwith scales. Pseudobulbs oblong-ellipsoid, slightly compressedtrigonous, 2–4 × 0.8–1.5 cm, with 2 leaves at apex and severalsheaths at base; sheaths nearly ovate, 1–2 cm. Leaf blade oblong-elliptic,5–8 × 1.3–2.3 cm, leathery, apex acute; petiole 6–8 cm. Inflorescence heteranthous, with several equitant cylindricsheaths at base; sheaths tightly embracing lower half ofinflorescence; rachis with 1 or 2 flowers opening successively,apex of rachis enclosed in several white bracts; floral bractscaducous, to 2 cm, papery; pedicel and ovary 6–8 mm. Flowerscreamy yellow. Sepals and petals similar, ovate-lanceolate, ca.20 × 6 mm; lip entire, ovate-lanceolate, ca. 20 × 7 mm, slightlyfleshy; callus with 3 longitudinal lamellae extending from baseto above middle, median lamella inconspicuous; lamellae purplishred, irregularly dentate. Column slightly arcuate, ca. 14mm, both sides with narrow wings, ca. 4 mm wide; antherovoid, ca. 3 mm wide. Fl. Dec.● Dry and sunny rocks in mountainous areas. Hong Kong.2. Coelogyne ovalis Lindley, Edwards’s Bot. Reg. 24(Misc.):91. 1838.长 鳞 贝 母 兰 chang lin bei mu lanCoelogyne decora Wallich ex Voigt; C. pilosissima Planchon.Rhizome creeping, relatively long, ca. 3 mm in diam., internodes1–2.4 cm. Pseudobulbs 8–13 cm apart on rhizome, notlucid when dried, nearly cylindric, 3–6 cm × 6–8 mm, with 2leaves at apex and 2 sheaths at base; sheaths ca. 3 cm, membranous,deciduous when old. Leaf blade lanceolate, oblonglanceolate,or ovate-lanceolate, 6–12 × 2–3.7 cm, papery, apexacuminate or obtuse; petiole 5–10 cm. Inflorescence heteranthous;peduncle 5–8 cm, base covered with several equitanttubular sheaths; rachis often with 1 or 2 or rarely to 3 or 4flowers opening successively, apex of rachis enclosed in severalwhite bracts; floral bracts caducous; pedicel and ovary 6–10mm. Flowers greenish yellow, with purplish red stripes on lip.Sepals oblong-lanceolate, ca. 20 × 5–6 mm. Petals filiform ornarrowly linear, nearly as long as sepals, ca. 1 mm wide; lipsuboblong-ovate, ca. 20 × 15 mm, 3-lobed; lateral lobes erect,subovate; mid-lobe elliptic, ca. 10 × 9 mm, fimbriate at margin;callus with 3 longitudinal lamellae, of which purple inner 2extending from its middle or near apex to base of disk, medianlamella indistinct, sometimes a further 2 much shorter lamellaeoutside others on mid-lobe. Column slightly arching, ca. 13 mm,both sides with wings; wings widened toward column apex,apex obtuse; anther ca. 2.5 mm; rostellum ca. 2 mm. Capsulesubobovoid, ca. 2.5 × 1.2 cm; fruiting pedicel ca. 5 mm. Fl.Aug–Nov, fr. next Sep. 2n = 40, 80.On trees or rocks along rivers or valleys; 1200–3200 m. SEXizang, W Yunnan [Bhutan, NE India, Myanmar, Nepal, Vietnam].3. Coelogyne fimbriata Lindley, Bot. Reg. 11: ad t. 868. 1825.流 苏 贝 母 兰 liu su bei mu lanBroughtonia linearis Wallich ex Lindley; Coelogynearunachalensis H. J. Chowdhery & G. D. Pal; C. chrysotropisSchlechter; C. fimbriata var. annamica Finet ex Gagnepain; C.fuliginosa Loddiges ex Hooker; C. laotica Gagnepain; C.longiciliata Teijsmann & Binnendijk; C. padangensis J. J.Smith & Schlechter; C. pallens Ridley; C. primulina Barretto;C. xerophyta Handel-Mazzetti; Pleione chinensis Kuntze; P.fimbriata (Lindley) Kuntze; P. fuliginosa (Loddiges ex Hooker)Kuntze.Rhizome creeping, slender, 1.5–2.5 mm in diam., internodes3–7 mm. Pseudobulbs 2–4.5(–8) cm apart on rhizome,not lucid when dried, narrowly ovoid to nearly cylindric, 2–3(–4.5) cm × 5–15 mm, with 2 leaves at apex and 2 or 3 sheathsat base; sheaths ovate, 1–2 cm, deciduous when old. Leaf bladeoblong or oblong-lanceolate, 4–10 × 1–2 cm, papery, apexacute; petiole 1–1.5(–2) cm. Inflorescence heteranthous; peduncle5–10 cm, base covered with several tubular sheaths; sheathsequitant, closely embracing inflorescence; rachis often with 1 or2 flowers opening successively, apex of rachis enclosed inseveral white bracts; floral bracts caducous; pedicel and ovary1–1.2 cm. Flowers pale yellow or nearly white, only with redstripes on lip. Sepals oblong-lanceolate, 16–20 × 4–7 mm. Petalsfiliform or narrowly linear, 16–20 × 0.7–1 mm; lip ovate,13–18 mm, 3-lobed; lateral lobes erect, subovate; mid-lobenearly elliptic, 5–7 × 5–6 mm, margin fimbriate, apex obtuse;callus with 2 irregularly undulate lamellae extending from baseto near apex of mid-lobe and between them at base of calluswith 1 short lamella, sometimes a further 2 much shorter lamellaeoutside others on mid-lobe. Column slightly arcuate, 10–13 mm, both sides with wings; wings widened toward columnapex, one side 1–1.3 mm wide, apex irregularly incised or dentate.Capsule obovoid, 1.8–2 × ca. 1 cm; fruiting pedicel 6–7mm. Fl. Aug–Oct, fr. next Apr–Aug. 2n = 40, 40 + 2f.On tree trunks or rocks along streamsides, in forests, or at forestmargins; 500–2300 m. N Fujian, Guangdong, Guangxi, Hainan, SJiangxi, SE Xizang, Yunnan [Bhutan, Cambodia, NE India, Indonesia,Laos, NE Malaysia, Myanmar, Nepal, Thailand, Vietnam].4. Coelogyne raizadae S. K. Jain & S. Das, Proc. Indian Acad.Sci., B, 87(5): 119. 1978.三 褶 贝 母 兰 san zhe bei mu lanPseudobulbs 2–8 cm apart on ascending, stout rhizome,cylindric or narrowly oblong, tapering above to narrowly ovoid,3–9.5 × 0.6–1.2 cm, slightly ridged when old, with 2 leaves atapex, sheathed with large bracts at base. Leaf blade narrowlyelliptic-oblong, 6–11 × 1.6–2.5 cm, with 5–7 veins, midveinprominent, base narrowing gradually into grooved petiole 1.3–5cm, margin entire, apex acute-acuminate. Inflorescence hysteranthous;peduncle erect, greenish, 3–15 cm, slender, smooth,with imbricate, convolute, sheathing sterile bracts at interfacebetween peduncle and rachis; rachis slightly zigzag, 2–6-flowered,continuing to develop and producing a further set ofsterile bracts at interface between peduncle and rachis and flowersannually. Flowers small, 1–1.2 cm in diam., sepals and petalswhite or cream-colored, lip white or cream-colored, sometimestinged with light yellow or light brown at front of laterallobes, lamellae yellow. Dorsal sepal oblong-lanceolate, 12–15 ×3–5 mm, with 3–5 veins, midvein prominent, apex acute; lateral