ORCHIDACEAE - China

EPIDENDROIDEAE 483unequally bilobed. Inflorescence to 30 cm, unbranched or sometimesbranched, laxly many flowered; rachis dark purple, flexuous;floral bracts 2–4 mm. Flowers ca. 2 cm in diam., variablein color, typically sepals and petals white or pale pink with acentral pink suffusion, lip rose or red, callus white or yellow,sometimes spotted rose or red, column rose, anther cap white;pedicel and ovary slender, 2–2.5 cm. Dorsal sepal oblong, 11–14 × 5–7 mm, acute; lateral sepals falcate-ovate, 10–14 × 6–7mm. Petals oblong-obovate or rhombic, 10–12 × 4–7 mm, basecontracted and adnate to column foot, apex acute; lip base witha claw ca. 1.5 mm, lip 3-lobed; lateral lobes erect-incurved,oblong-oblanceolate, 5–6.5 × 2–3 mm, rounded; mid-lobespreading horizontally, ovate-elliptic, 9–11 × 7–8 mm, acute;callus solitary, peltate, quadrangular with a truncate apex.Column 6–9 mm, slender, foot ca. 3 mm; stipe ca. 3 mm;viscidium ovate-lanceolate, ca. 1 mm. Fl. Apr–May. 2n = 38.S Taiwan [Philippines].177. CHAMAEANTHUS Schlechter ex J. J. Smith, Orch. Java, 552. 1905.低 药 兰 属 di yao lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodHerbs, epiphytic, small, monopodial. Stems very short. Leaves few, to 7 × 1 cm, somewhat fleshy, jointed and sheathing at base.Inflorescences lateral, simple, to ca. 20-flowered; rachis usually clavate. Flowers ephemeral, only a few open at a time, greenishyellow, small, superficially resembling Bulbophyllum. Sepals and petals similar, often linear and acuminate, to 4–6 × 3 mm; lateralsepals adnate to column foot; lip movable, without a spur, sometimes saccate, 3-lobed; lateral lobes auriculate, margins somewhatfimbriate; mid-lobe conic, fleshy. Column short, stout, with a foot ca. 3 mm, rostellar projection elongate; stipe ligulate, ca. 2 × diam.of pollinia; viscidium obovate, small; pollinia 2, entire, although some specimens having a very tiny notch.About three species: from S Thailand southeast to Java and New Guinea, northeast to Taiwan and the Philippines; one species in China.1. Chamaeanthus wenzelii Ames, Orchidaceae 5: 200. 1915.低 药 兰 di yao lanStems 2–2.5 cm. Leaves 8–10, distichous; leaf bladelinear, falcate, 2–10 × 0.3–0.5 cm, leathery, with an amplexicaul,sheathing base, apex acute and irregularly bilobed. Inflorescencesaxillary, 2–3 cm, many flowered; floral bracts linearlanceolate,ca. 3 mm, acuminate. Flowers erect, yellow, small;178. NEOFINETIA Hu, Rhodora 27: 107. 1925.pedicel and ovary 2–2.5 mm. Sepals linear-lanceolate, 5–5.5 ×ca. 1 mm, membranous, abaxially ± carinate, apex cuspidate;dorsal sepal concave. Petals lanceolate, 4–4.5 × ca. 1 mm, acuminate;lip immovable, 2–2.5 mm, 3-lobed; lateral lobes erect,nearly orbicular, membranous, margin ± serrate; mid-lobe triangular,1–1.2 mm, subfleshy, acute. Fl. Feb.Epiphytic on tree trunks in forests. S Taiwan [Philippines].风 兰 属 feng lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jeffrey J. WoodFinetia Schlechter, Beih. Bot. Centralbl. 36: 140. 1918, not Gagnepain (1917); Nipponorchis Masamune, nom. illeg. superfl.Herbs, epiphytic, small, monopodial. Roots many, slightly flattened. Stems erect, enclosed in leaf sheaths, short, many leaved.Leaves distichous, narrow, ± conduplicate toward base, dorsally carinate, jointed and sheathing at base. Inflorescence axillary, racemose,laxly few flowered. Flowers opening widely, medium-sized. Sepals and petals free, similar; lip spurred at base, 3-lobed; laterallobes erect; mid-lobe spreading, with appendages at base; spur slender, cylindric, rather long, sometimes slightly curved. Columnshort, thick, winged, footless; rostellum furcate-bifid; anther cap narrowed at apex; pollinia 2, cleft, waxy, globose; stipe narrowlyovate-cuneate, geniculate-curved; viscidium broadly ovate, broader than stipe.Three species: China, Japan, Korea; three species (two endemic) in China.1a. Spur 3.5–5 cm ................................................................................................................................................................... 1. N. falcata1b. Spur 1–1.6 cm.2a. Sepals and petals pinkish or becoming whitish; spur 1.5–1.6 cm, much longer than sepals, curved,spreading horizontally, lateral sepals mucronate at apex ................................................................................. 2. N. xichangensis2b. Sepals and petals white; spur 1–1.1 cm, shorter than or ca. as long as sepals, straight, pendulous ornearly so, lateral sepals not mucronate at apex ................................................................................................ 3. N. richardsiana1. Neofinetia falcata (Thunberg) Hu, Rhodora 27: 107. 1925.风 兰 feng lanOrchis falcata Thunberg in Murray, Syst. Veg., ed. 14,811. 1784; Angorchis falcata (Thunberg) Kuntze; Angraecopsisfalcata (Thunberg) Schlechter; Angraecum falcatum (Thunberg)Lindley; Finetia falcata (Thunberg) Schlechter; Holcoglossumfalcatum (Thunberg) Garay & H. R. Sweet; Limodorumfalcatum (Thunberg) Thunberg; Nipponorchis falcata(Thunberg) Masamune; Oeceoclades falcata (Thunberg)Lindley; Vanda falcata (Thunberg) Beer.Plants usually 8–12 cm tall. Stems 1–6 cm, many leaved.Leaves narrowly oblong-falcate, 5–12 × 0.7–1 cm, thicklyleathery, conduplicate and sheathing toward base, apex acute.