ORCHIDACEAE - China

450EPIDENDROIDEAEspreading horizontally; leaf blade narrowly oblong, 13–20 ×2.5–3.4 cm, base amplexicaul-sheathing, apex obtuse andunequally bilobed. Inflorescences several, opposite to leaves,ascending, paniculate, 5–14 cm, with many short branches;each branch with 1 raceme and 2–6 flowers; peduncle 1–2 cm,2–3 mm in diam.; floral bracts broadly triangular, ca. 1 mm,fleshy, acute. Flowers slightly fragrant; sepals and petals yellowishgreen with reddish brown transverse stripes and spots,lip white, spotted with purple-red, spur and anther cap yellow;pedicel and ovary yellowish green, ca. 4 mm, sparsely shortlyhairy. Dorsal sepal obovate, ca. 6 × 3 mm, obtuse; lateral sepalsslightly oblique, obovate-oblong, slightly smaller than dorsalsepal, obtuse. Petals oblanceolate, ca. 5 × 2.3 mm, obtuse; lipslightly 3-lobed; lateral lobes erect, deltoid, very small; midlobereflexed, deltoid, ca. 2 × 2 mm, obtuse, with a short conicprojection abaxially, adaxially with many small warts, marginslightly undulate; spur straight, ca. 3 × 2 mm, inside with densewhite hairs. Column ca. 1.5 mm, stout, with short hairs; anthercap subspherical; caudicle oblanceolate, ca. 1 mm; viscidiumoblong. Capsule cylindric or narrowly fusiform, 4–4.5 cm × 5–6 mm. Fl. Nov, fr. next Mar–Apr. 2n = 38.Epiphytic on tree trunks in open forests or at forest margins; 700–1200 m. S Yunnan [Bhutan, Cambodia, NE India, Laos, Myanmar, SriLanka, Thailand, Vietnam].3. Acampe papillosa (Lindley) Lindley, Fol. Orchid. 4(Acampe):2. 1853.短 序 脆 兰 duan xu cui lanSaccolabium papillosum Lindley, Edwards’s Bot. Reg. 18:ad t. 1552. 1832; Acampe carinata (Griffith) Panigrahi;Gastrochilus carinatus (Griffith) Schlechter; G. papillosus(Lindley) Kuntze; S. carinatum Griffith; Sarcanthus papillosus(Lindley) Tixier.Stems 5–20 cm or longer, 7–9 mm in diam., internodes 1–2 cm, laxly clothed with many distichous leaves. Leaf bladeoblong, 7–14.5 × 1.4–2.3 cm, amplexicaul-sheathing at base,apex obtuse and slightly unequally bilobed. Inflorescencesoften several, opposite to leaves or axillary, 1–4 cm, subumbellate,with many short branches, densely few to many flowered;peduncle 3–10 mm, ca. 3 mm in diam.; floral bracts broadlytriangular, 1–2 mm, fleshy, acute. Flowers slightly fragrant,opening widely; sepals and petals yellow with reddish browntransverse stripes, lip creamy white, slightly spotted with purple-red,spur yellow; pedicel and ovary ca. 5 mm, pale yellow.Dorsal sepal oblong, ca. 5 × 1.8 mm, obtuse; lateral sepalsfalcate-oblong, ca. 5 × 2 mm, obtuse. Petals oblong, ca. as longas dorsal sepal and narrower; lip inconspicuously 3-lobed, dividedinto hypochile and epichile; hypochile a narrow marginaround entrance of spur; epichile ovate, ca. 3.5 × 3 mm, adaxiallywith dense warts, base with a transverse septum separatingit from hypochile, margin crisped-corrugate, apex obtuse; spurstraight, cylindric, ca. 3 × 2 mm, inside with dense white hairs.Column ca. 1.5 mm, stout, slightly shortly hairy; anther capsubglobose. Capsule erect or ascending, fusiform, 2–3 cm × 4–8 mm. Fl. Nov, fr. Dec–Jan. 2n = 36, 38, 72.Epiphytic on tree trunks in forests; ca. 500 m. Hainan, SW Yunnan[Bangladesh, Bhutan, NE India, Laos, Myanmar, Nepal, Thailand, Vietnam].154. SMITINANDIA Holttum, Gard. Bull. Singapore 25: 105. 1969.盖 喉 兰 属 gai hou lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodHerbs, epiphytic, monopodial, medium-sized. Stems elongate, with many nodes, often rooting at nodes. Leaves distichous,usually well spaced; leaf blade flat, rather narrow, slightly fleshy, with sheathing base, jointed to sheath. Inflorescences lateral,piercing sheath, racemose, many flowered. Flowers small, somewhat fleshy. Sepals conspicuously larger than petals. Lip attached tobase of column, immovable, with a distinct spur without inner appendages, but its entrance ± closed by a high fleshy transverseappendage at base of mid-lobe. Column cylindric, short, base slightly dilated, without a foot; rostellum short; pollinia waxy, 4, eachcompletely divided into 2 unequal pairs, flat, subglobose; viscidium ovate; stipe short, widening toward apex.About three species: India, Bhutan, Myanmar, SE Asia east to Borneo and Sulawesi; one species in China.1. Smitinandia micrantha (Lindley) Holttum, Gard. Bull.Singapore 25: 106. 1969.盖 喉 兰 gai hou lanSaccolabium micranthum Lindley, Gen. Sp. Orchid. Pl.220. 1833; Cleisostoma micranthum (Lindley) King & Pantling;C. poilanei Gagnepain; Pomatocalpa poilanei (Gagnepain)Tang & F. T. Wang.Stems suberect, terete, slightly flattened, 4–6 cm, ca. 6 mmin diam., internodes 1–1.3 cm. Leaf blade narrowly oblong,9.5–11 × 1.4–2 cm, slightly fleshy, base subrounded, apexobtuse and unequally bilobed. Racemes 1–2, opposite leaves,9–11 cm, densely many flowered; floral bracts ovate-triangular,ca. 1 mm, acute. Flowers opening widely, white, tinged withpurple-red, 3–4 mm in diam., anther cap white with yellowishbrown midvein; pedicel and ovary ca. 4 mm. Dorsal sepalsubobovate, ca. 3.5 × 1.5 mm, 3-veined, obtuse; lateral sepalsslightly oblique, ovate-triangular, ca. 2.5 × 2 mm, 3-veined,acute. Petals narrowly oblong, ca. 2 × 1 mm, 1-veined, margin± scabrous, apex obtuse; lip 3-lobed; lateral lobes erect, subquadrate,ca. 1 mm; mid-lobe obovate-spatulate, ca. 2.2 × 1.5mm, base with a fleshy transverse appendage ± covering spurentrance, with 2 central ridges fused at apex, apex subacute;spur oblong-conic, slightly laterally compressed, ca. 2 × 1.5mm, obtuse. Column ca. 1 mm; rostellum very short; anther capbeaked. Fl. Apr. 2n = 38.Epiphytic on tree trunks in forests; ca. 600 m. SW Yunnan [Bhutan,Cambodia, NE India, Laos, Malay Archipelago (Borneo), Malaysia,Myanmar, Nepal, Thailand, Vietnam].