ORCHIDACEAE - China

446EPIDENDROIDEAEFlowers medium-sized. Sepals and petals free; lateral sepals rather broad, base broadly adnate to column foot forming a distinctmentum. Lip attached at base to end of column foot, 3-lobed, long clawed, with 2 small basal lobes on both sides of claw and anappendage between them; lateral lobes erect; mid-lobe rather thick. Column short, narrowly winged, with a long foot at base; stigmaconcave, large; rostellum rather long, narrow; anther cap subglobose; pollinia 4, separate from each other, waxy, subglobose, with acommon long, linear stipe; viscidium ovate.Two species: from NE India to China, south to Indochina, Thailand, Malaysia, and Indonesia; one species in China.1. Doritis pulcherrima Lindley, Gen. Sp. Orchid. Pl. 178.1833.五 唇 兰 wu chun lanPhalaenopsis buyssoniana H. G. Reichenbach; P. esmeraldaH. G. Reichenbach; P. pulcherrima (Lindley) J. J. Smith.Leaves 3–6, nearly basal; leaf blade oblong, 5–7.5 × 1.5–2cm, base with equitant sheaths, apex obtuse or acute. Inflorescenceerect; peduncle to 38 cm, 2.5–3 mm in diam., with 3 or 4sheaths 3–5 mm; rachis 10–13 cm, laxly several flowered;floral bracts ovate, ca. 3 mm. Flowers often fragrant, openingwidely, usually with pink sepals and petals and purple lip;pedicel and ovary 1.3–2 cm. Dorsal sepal oblong, ca. 8 × 5 mm,obtuse; lateral sepals slightly oblique, ovate-triangular, ca. 8 × 7mm; mentum ± conic. Petals subobovate, slightly smaller thandorsal sepal; lip attached at a right angle to end of column foot,3-lobed, recurved; claw ca. 4 mm, with a square callus adaxially;basal lobes erect on both sides of claw, rectangular, ca. 4mm; lateral lobes erect, somewhat suborbicular or broadly elliptic,ca. 6 × 6 mm; mid-lobe ligulate, ca. 5 × 2 mm, adaxiallywith 3 or 4 fleshy lamellae, apex acute. Column ca. 7 mm, footca. 6 mm. Fl. Jul–Aug. 2n = 38.Rocky places or soil-covered rocks in dense forests or thickets.Hainan [Cambodia, NE India, Indonesia, Laos, Malaysia, Myanmar,Thailand, Vietnam].149. NOTHODORITIS Z. H. Tsi, Acta Phytotax. Sin. 27: 58. 1989.象 鼻 兰 属 xiang bi lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodHerbs, epiphytic, monopodial. Roots many, slightly flattened. Stems very short, enclosed in basal leaf sheaths. Leaves several,basal, purple spotted abaxially, articulate and sheathing at base. Inflorescence lateral, arising from base of stem, ascending orpendulous, racemose, many small flowered; floral bracts narrowly lanceolate, small. Flowers thinly textured. Sepals and petals free;dorsal sepal concave, slightly embracing column; lateral sepals oblique, clawed at base. Petals obovate, slightly smaller than sepals,clawed at base; lip 3-lobed; lateral lobes narrow, sulcuslike except for separate upper parts; mid-lobe perpendicular to lateral lobes,narrowly cymbiform, saccate at base; sac nearly subglobose, small, with an erect appendage at its mouth. Column subterete, short,with a subulate appendage near front at base, foot short; stigma near base of column; rostellum elongate, narrow; pollinia 4, separate,waxy, subglobose, subequal in size, attached by a long stipe to a suborbicular small viscidium.● One species: China.1. Nothodoritis zhejiangensis Z. H. Tsi, Acta Phytotax. Sin.27: 59. 1989.象 鼻 兰 xiang bi lanDoritis zhejiangensis (Z. H. Tsi) T. Yukawa & K. Kita.Plants pendulous. Stems ca. 3 mm. Roots borne from baseof stem, many, slightly compressed, 1.2–1.5 mm in diam.Leaves 1–3; leaf blade abaxially or margin often with densefine dark purple spots, obovate or obovate-oblong, 2–6.8 × 1.2–2.1 cm, thinly textured, obtuse or slightly hooked. Pedunclepale green, 3–5 cm, ca. 1 mm in diam.; rachis 5–8 cm, 8–19-flowered; floral bracts yellowish green, narrowly lanceolate, 2–3 mm. Flowers white, with purple transverse bands on sepalsand petals, and purple markings on lip, column yellow, rostellumwhitish above, purplish below; pedicel and ovary ca. 1 cm,slender. Dorsal sepal ovate-elliptic, ca. 6 × 3 mm, concave, baseslightly contracted, apex obtuse; lateral sepals oblique, broadlyobovate, ca. 6 × 6 mm, base shortly clawed, apex obliquelytruncate. Petals oblanceolate, ca. 5 × 2.5 mm, clawed at base,apex obtuse; lip 3-lobed; lateral lobes comprised of erect upperparts ca. 1.5 mm and a sulcus ca. 7 mm; mid-lobe ca. 8 × 1.2mm, saccate at base, apex slightly recurved; sac ± subglobose,ca. 2 mm; appendage erect, ca. 2.5 × 1.2 mm. Column ca. 5 ×1.2 mm, near base with an appendage ca. 1.2 mm; rostellumspreading, ca. 5.5 mm, narrow, apex hooked and slightly bilobed;stipe ca. 5.5 × 0.5 mm; viscidium ca. 0.7 mm wide, subrounded.Capsule ellipsoid, ca. 8 × 4 mm. Fl. Jun, fr. Jul–Aug.● Epiphytic on tree branches in forests or at forest margins; 300–900 m. E and N Zhejiang.150. VANDOPSIS Pfitzer in Engler & Prantl, Nat. Pflanzenfam. 2(6): 210. 1889.拟 万 代 兰 属 ni wan dai lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodFieldia Gaudichaud, Voy. Uranie, Bot. 424. 1829, not A. Cunningham (1825).