ORCHIDACEAE - China

EPIDENDROIDEAE 42319b. Lateral sepals 5–10 mm; flowers deep or dark red, usually± with deep-colored spots or veins ............................................................ 61. B. tigridum43. Bulbophyllum violaceolabellum Seidenfaden, Nordic J.Bot. 1: 210. 1981.等 萼 卷 瓣 兰 deng e juan ban lanRhizome stout, creeping, 4–6 mm in diam., rooting. Pseudobulbs4–9 cm apart on rhizome, ovoid, 1.5–3.4 cm, 1–1.3 cmin diam., with a terminal leaf. Petiole conduplicate, 1.5–2 cm;leaf blade oblong to obovate-oblong, 10–20 × 2.2–4.3 cm,slightly fleshy or leathery, apex obtuse. Scape from base ofpseudobulb, erect, 19–26 cm; raceme shortened, umbel-like,often 3–5-flowered; peduncle 2–3 mm in diam., with 3 or 4tubular sheaths 8–13 mm; floral bracts lanceolate, ca. 5 mm,apex acuminate. Pedicel and ovary ca. 2.2 mm. Flowers widelyopening, with yellow and purplish spotted sepals and petals andpurple lip. Dorsal sepal broadly ovate, 6–8 × ca. 6.2 mm, marginslightly undulate, apex obtuse; lateral sepals ovate-triangular,8–9 × ca. 8 mm, base adnate to column foot, apex mucronate.Petals ovate-lanceolate, 4–5 × ca. 3 mm, entire, aristate;lip strongly recurved, ligulate, ca. 5 × 3 mm, fleshy, baseattached to end of column foot by a mobile joint, apex truncate.Column yellow, ca. 2 mm, base ca. 3 mm in diam., with wingsdecurrent to foot; foot purple, ca. 5.5 mm, with free part ca. 2.5mm; stelidia subulate, ca. 2.5 mm. Fl. Apr.Trees or rocks in open forests in limestone areas; ca. 700 m. SYunnan [Laos].44. Bulbophyllum caudatum Lindley, Gen. Sp. Orchid. Pl. 56.1830.尾 萼 卷 瓣 兰 wei e juan ban lanCirrhopetalum caudatum (Lindley) King & Pantling.Rhizome slender, 1–2 mm in diam., branched, rooting fromtheir nodes. Pseudobulbs 2–8 cm apart from each other, ovoid,1–2.5 cm, 6–10 mm in diam., with a terminal leaf. Petiole short,2–3 mm; leaf blade ovate-lanceolate or sometimes oblong, 2.5–6.5 × 1–1.5 cm, leathery, apex acute or obtuse. Scape from baseof pseudobulb, erect, usually 1–3 cm; umbel flabellate, manyflowered; floral bracts lanceolate, nearly as long as pedicel andovary. Flowers white. Dorsal sepal ovate-oblong, ca. 5 × 2.5mm, apex acuminate; lateral sepals free, parallel to each otheror slightly divergent, lanceolate, 25–35 mm, apex long caudate.Petals obovate-oblong, short, apex obtuse; lip oblong, ca. aslong as petals, clawed at base, basal margins erect, distal marginsdecurved. Column stout, with nearly suborbicular wings;stelidia slender; anther cap papillate. Fl. unknown. 2n = 38.Tree trunks in evergreen broad-leaved forests; 800–1000 m. SEXizang [India (Sikkim), Nepal].45. Bulbophyllum delitescens Hance, J. Bot. 14: 44. 1876.直 唇 卷 瓣 兰 zhi chun juan ban lanCirrhopetalum delitescens (Hance) Rolfe.Rhizome creeping, stout, ca. 4 mm in diam., oftenbranched, rooting. Pseudobulbs 3–11 cm apart on rhizome,ovoid or subcylindric, 1.7–3.5 cm, 5–10 mm in diam., with aterminal leaf. Petiole 2–3 cm; leaf blade oblong, elliptic, orobovate-oblong, 16–25 × 3.5–6 cm, leathery, apex obtuse orshortly acute. Scape from base of pseudobulb, erect, 10–22 cm;umbel often 2–4-flowered; peduncle ca. 1.5 mm in diam.,sparsely with 3 tubular sheaths ca. 1 cm; floral bracts lanceolate,4–6 mm, apex aristate. Pedicel and ovary ca. 1 mm. Flowerspurple. Dorsal sepal ovate, cymbiform, ca. 10 × 3 mm, apextruncate and emarginate, in sinus with an awn ca. 7 mm; lateralsepals narrowly lanceolate, ca. 60 × 2 mm, base adnate to columnfoot, twisted near base and connate along their upper andlower edges forming a tube, apex long acuminate. Petals falcate-lanceolate,5–7 × 1.5–2 mm, apex truncate to emarginate,in sinus with 1 short thread centrally; lip recurved, ligulate, ca.5 mm, fleshy, base grooved, attached to end of column foot, immobile,apex obtuse. Column ca. 3 mm, with wings dilated atits base; foot ca. 5 mm, with free part ca. 3 mm; stelidia ca. 3mm, apex sharply bidentate. Fl. Apr–Nov.Rocks along streamsides or valleys, tree trunks in forests; 1000–2000 m. S Fujian, E and S Guangdong, Hainan, SE Xizang, NE, S, andW Yunnan [NE India, Vietnam].46. Bulbophyllum macraei (Lindley) H. G. Reichenbach, Ann.Bot. Syst. 6: 263. 1861.乌 来 卷 瓣 兰 wu lai juan ban lanCirrhopetalum macraei Lindley, Gen. Sp. Orchid. Pl. 59.1830; Bulbophyllum macraei var. autumnale (Fukuyama) S. S.Ying; B. uraiense Hayata; C. autumnale Fukuyama.Rhizome creeping, ca. 2 mm in diam. Pseudobulbs closeor 1–2 cm apart from each other, ovoid, 1–2.8 cm, 1–1.8 cm indiam., with a terminal leaf. Petiole 1–1.5 cm; leaf blade subelliptic,8–18 × 2.5–6 cm, thickly leathery, base contracted intopetiole, apex obtuse. Scape yellowish green, 10–20 cm, slender;umbel 3–5-flowered; peduncle ca. 1 mm in diam., with 2 or 3sheaths; floral bracts lanceolate, ca. 5 mm, apex acute. Pediceland ovary yellowish green or purplish red, ca. 9 mm. Flowersyellowish white, sometimes ± tinged with purplish red on sepalsand petals. Dorsal sepal ovate-lanceolate, 15–18 × 3–5 mm,apex acuminate; lateral sepals narrowly lanceolate, 2.5–3.7 cm,twisted near base, their lower edges connate to each other, apexacuminate. Petals falcate, 5–6.5 × 2–2.7 mm, apex rounded andwith apical thread; lip recurved, ligulate, 4–6.5 mm, attached toend of column foot, immobile. Column yellowish green, 2–3mm; foot ca. 4 mm; stelidia ± twisted and thinly clavate, ca. 2mm; anther cap subglobose, with comblike teeth at apex. Fl.Jul–Oct. 2n = 38.Tree trunks in forests; 500–1000 m. Taiwan [India, Japan (RyukyuIslands), Sri Lanka, N Vietnam].47. Bulbophyllum funingense Z. H. Tsi & S. C. Chen, Bull.Bot. Res., Harbin 1(1–2): 112. 1981.富 宁 卷 瓣 兰 fu ning juan ban lanRhizome creeping, ca. 5 mm in diam., rooting from baseof pseudobulbs. Pseudobulbs ca. 6 cm apart from each other,