ORCHIDACEAE - China

EPIDENDROIDEAE 341Roots borne at internodes. Pseudobulbs greenish yellowwhen dry, subcylindric, narrowly fusiform to clavate, 4–10 cm× 6–20 mm, sheathed at base, sparsely wrinkled. Leaf bladeelliptic-lanceolate to oblong-lanceolate, 12–19 × 2.5–4.2 cm,apex acuminate or shortly cuspidate; petiole 1.5–2.5 cm. Inflorescenceproteranthous, decurved; peduncle sheathed whenyoung; rachis laxly several flowered; floral bracts caducous,linear, acute. Flowers white, 1.5–2.2 cm; pedicel and ovary 1–1.2 cm. Dorsal sepal linear-oblong, cymbiform, 13–15 × ca. 2mm, abaxially ± carinate, 5-veined, acute; lateral sepals somewhatoblique. Petals linear, ca. 14 × 0.7 mm, 3-veined, acute;lip 3-lobed; lateral lobes erect, embracing column, reaching ca.1/4 length of column, triangular-ovate, 15–20 × ca. 0.5 mm;mid-lobe oblong-lanceolate, 10–12 × 2.5–3 mm, base shortlyclawed, apex acuminate; sac with 3 or 4 short thickened ridges.Column subclavate, 1.3–1.4 cm, upper part winged; anther capellipsoid, ca. 1 mm; rostellum ligulate, ca. 0.7 mm. Capsulesubobovoid-ellipsoid, 1.5–2 cm. Fl. Oct–Nov.Epiphytic on trees in forests; 1500–2800 m. SE Xizang, SWYunnan [Bhutan, NE India, Laos, Nepal, Vietnam].115. NEOGYNA H. G. Reichenbach, Bot. Zeitung (Berlin) 10: 931. 1852.新 型 兰 属 xin xing lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodHerbs, epiphytic or lithophytic. Rhizome stout, with many fibrous roots. Pseudobulbs ± clustered, ovoid-cylindric to conic,rather long, sheathed, apex 2-leaved. Leaves petiolate, relatively large, papery. Inflorescence racemose, proteranthous or hysteranthous,pendulous; greater part of peduncle covered by sheaths at anthesis; floral bracts persistent, relatively large. Flowers resupinate,not opening widely, large; pedicel and ovary cylindric, 3-ridged. Sepals similar, fleshy, campanulate (united and saccate at base).Petals shorter and narrower than sepals, base not saccate; lip oblong, funnel-shaped, 3-lobed near apex, spurless, lateral lobes erect,embracing column, base saccate and enclosed in basal sac of lateral sepals. Column curved, rather long, winged; anther cap incumbent,oblong; pollinia 4, in 2 pairs, waxy, oblong-pyriform, depressed, base with flat caudicles, attached to a sticky substance; stigmaconcave; rostellum triangular. Capsule with 6 longitudinal ridges, apex with persistent column.One species: Bhutan, China, NE India, Laos, Myanmar, Nepal, Thailand, N Vietnam.1. Neogyna gardneriana (Lindley) H. G. Reichenbach, Bot.Zeitung (Berlin) 10: 931. 1852.新 型 兰 xin xing lanCoelogyne gardneriana Lindley in Wallich, Pl. Asiat. Rar.1: 33. 1830; Neogyna gardneriana var. basiquinquelamellataTang & F. T. Wang; N. gardneriana var. basitrilamellata Tang& F. T. Wang; Pleione gardneriana (Lindley) Kuntze.Rhizome ca. 8 mm in diam. Pseudobulbs borne 1–2 cmapart, dark brown when dried, narrowly ovoid to subcylindric,9–15 × 1–2 cm, base slightly contracted. Leaves narrowly elliptic-oblanceolate,30–44 × 4–8 cm, acuminate; petiole 4–5 cm.Peduncle 10–20 cm, continuously elongating at fruiting; rachisstraight or sometimes slightly flexuous, 7–13 cm, several to 10-flowered; floral bracts broadly ovate-elliptic to suborbicular, 2–4 × 1.5–2.8 cm, thinly membranous, obtuse. Flowers white,keels yellow; pedicel and ovary 1.5–1.8 cm. Sepals suboblong,40–45 × ca. 10 mm, abaxially carinate, basal sac ca. 4 mmdeep; lateral sepals with deeper basal sac. Petals linear, 40–45 ×3–4 mm; lip obovate, 4–4.5 × ca. 2.5 cm, distally 3-lobed; laterallobes subovate, obtuse-rounded; mid-lobe subreniform,margin ± erose; disk with 2 or rarely 3 longitudinal lamellaeextending from base to base of mid-lobe, occasionally with 5lamellae at base; basal sac 4–5 mm deep. Column ca. 3.5 mm.Capsule obovoid-ellipsoid, ca. 3.5 × 2 cm, wing-shaped ribs ca.3 mm wide. Fl. Nov–Jan.Epiphytic on trees in forests or lithophytic on shaded rocks alongvalleys; 600–2200 m. SE Xizang, S Yunnan [Bhutan, NE India, Laos,Myanmar, Nepal, Thailand, N Vietnam].116. BULLEYIA Schlechter, Notes Roy. Bot. Gard. Edinburgh 5: 108. 1912.蜂 腰 兰 属 feng yao lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodHerbs, epiphytic or lithophytic. Rhizome creeping. Pseudobulbs close together, narrowly ovoid-ellipsoid, usually covered bymany sheaths, apex 2-leaved. Leaves petiolate, linear-lanceolate to lanceolate, plicate, papery, acuminate. Inflorescence synanthous,pendulous, racemose, 10–20-flowered, flowers in apical part opening first; rachis zigzag; floral bracts caducous after anthesis, partlycovering flowers, membranous. Flowers distichous, white, part of lip and column reddish brown, resupinate. Sepals free, ovate toovate-lanceolate, lateral sepals oblique. Petals obliquely and narrowly oblong; lip spurred at base, curved, entire, ecallose, constrictednear middle, apical part suborbicular-reniform; spur incurved, tubular. Column dilated apically, without stelidia, foot absent; pollinia4, ellipsoid-obovoid, with caudicles. Capsule ellipsoid.One species: Bhutan, China, NE India.1. Bulleyia yunnanensis Schlechter, Notes Roy. Bot. Gard.Edinburgh 5: 108. 1912.蜂 腰 兰 feng yao lanPseudobulbs golden yellow when dried, lucid, narrowlyovoid or narrowly ovoid-ellipsoid, 3.5–7 × 1–2 cm, rugosegrooved.Leaves 2, oblong-lanceolate or nearly lanceolate, 16–43 × 1.5–3 cm, papery, base cuneate, apex long acuminate; peti-