ORCHIDACEAE - China

EPIDENDROIDEAE 283Ania angustifolia Lindley, Gen. Sp. Orchid. Pl. 129. 1831;Ascotainia angustifolia (Lindley) Schlechter; Eulophia evrardiiGuillaumin; Mitopetalum angustifolium (Lindley) Blume;Nephelaphyllum evrardii (Guillaumin) Tang & F. T. Wang.Pseudobulbs ovoid, to 2 cm in diam., ± covered withsheaths. Petiole 20–30 cm, slender, articulate near middle, basewith 2 tubular sheaths; leaf blade oblong or narrowly elliptic,ca. 30 × 3–5.5 cm, apex shortly acuminate. Inflorescence erect;peduncle ca. 45 cm, with 3 or 4 tubular sheaths below; rachis7–15 cm, laxly few flowered; floral bracts lanceolate, ca. 7 mm,membranous. Flowers not opening widely, yellowish green; lipwhitish, tinged with dark purple, mid-lobe dark purple, apicalmargin white, lamellae deep purple, column whitish, upper partpurplish, anther cap brownish green; pedicel and ovary ca. 1cm. Sepals similar, oblong, 15–17 × 4.5–5 mm, 5-veined, acute;lateral sepals adnate to column base. Petals elliptic, 13–15 ×3.5–4.5 mm, 5-veined, acute; lip oblong or suboblong, 15–17mm, 3-lobed; lateral lobes erect, embracing column, triangularlanceolate,ca. 1 mm wide, acuminate; mid-lobe nearly oblate,ca. 4 mm wide, rounded; disk with 5 lamellae extending to midlobe;lamellae parallel to each other, highly raised and undulateor denticulate on mid-lobe; spur slightly flattened, ca. 4 × 3mm, obtuse and slightly concave. Column ca. 1 cm × 5 mm,broadly winged; rostellum slightly decurved, suborbicular. Fl.Sep–Oct.Wooded slopes; 500–1200 m. SW Guizhou, S Yunnan [Myanmar,Thailand, Vietnam].5. Tainia penangiana J. D. Hooker, Fl. Brit. India 5: 820. 1890.绿 花 带 唇 兰 lü hua dai chun lanAnia hookeriana (King & Pantling) Tang & F. T. Wang exSummerhayes; A. penangiana (J. D. Hooker) Summerhayes;Ascotainia hookeriana (King & Pantling) Ridley; A. penangiana(J. D. Hooker) Ridley; Tainia hookeriana King & Pantling;T. taiwaniana S. S. Ying.Pseudobulbs close, purplish red or dark brownish green,ovoid, to 3 cm in diam., ± covered with sheaths. Petiole 27–32cm; leaf blade oblong, ca. 35 × 6–9 cm, apex acuminate. Peduncleto 60 cm, 4–5 mm in diam., with 3 or 4 membranoussheaths below; rachis 15–20 cm, laxly few to 10-flowered;floral bracts narrowly lanceolate, usually 6–7 mm, membranous.Flowers yellowish green with orange-red spots andstripes, lip white with reddish spots and yellow tip; pedicel andovary ca. 15 mm. Sepals similar, oblong-lanceolate, 18–21 × 3–5 mm, 7-veined, acuminate. Petals oblong, 17–20 × 3–4 mm, 7-veined, acute; lip obovate, ca. 15 mm, adaxially ± finely papillate,3-lobed; lateral lobes suberect, ovate-oblong, obtuse andslightly incurved; mid-lobe orbicular or ovate-triangular, acute;disk with 3 lamellae extending to mid-lobe where raised orsometimes crestlike; spur exserted beyond base of lateral sepals,3–5 mm, obtuse. Column subcylindric, ca. 1 cm; rostellumnearly ligulate, unlobed; anther cap without appendages. Fl.Feb–Mar. 2n = 40, 72.Evergreen broad-leaved forests, streamsides; 700–1000 m. Sand W Hainan, Taiwan [NE India, Malaysia (Peninsular), Thailand,Vietnam].6. Tainia viridifusca (Hooker) Bentham & J. D. Hooker, Fl.Brit. India 5: 820. 1890.高 褶 带 唇 兰 gao zhe dai chun lanCalanthe viridifusca Hooker, Bot. Mag. 78: ad t. 4669.1852; Ania elata (Schlechter) S. Y. Hu; A. viridifusca (Hooker)Tang & F. T. Wang ex Summerhayes; Ascotainia elata Schlechter;A. viridifusca (Hooker) Schlechter; Tainia elata (Schlechter)P. F. Hunt.Pseudobulbs close, dark green to purple, broadly ovoid, to4 cm in diam. Leaf blade oblong or narrowly elliptic, plicate,ca. 50 × 3 cm, with long petiole at base, apex long acuminate.Inflorescence erect; peduncle purplish in lower part, to 73 cm,ca. 4 mm in diam., with 3 or 4 sheaths; rachis laxly 9- or 10-flowered; floral bracts yellowish green, narrowly lanceolate, 1–1.5 cm, long acuminate. Flowers opening widely, brownishgreen or purplish brown, lip and column white, anther cap with2 purple spots at apex; pedicel and ovary ca. 2 cm. Sepals similar,oblong, 20–22 × ca. 5 mm, acute and aristate; lateral sepalssometimes with midvein extending keel-like beyond tip abaxially,base mostly adnate to column foot. Petals similar to sepals,and smaller, acute and aristate; lip obovate, ca. 14 × 8–9 mm, 3-lobed; lateral lobes erect, ovate-oblong, obtuse; mid-lobe orbicular,base without conspicuous claw, mucronate; disk with 3–5lamellae extending to mid-lobe and becoming 5-undulate orcrestlike there; spur extending beyond 2 lateral sepals, saccateconic,ca. 4 mm, obtuse. Column subcylindric, ca. 9 mm; rostellumbroadly triangular, fleshy, obtuse. Fl. Apr–May. 2n = 40.Evergreen broad-leaved forests; 1500–2000 m. NE, S, and SEYunnan [NE India, Myanmar, Thailand, Vietnam].7. Tainia ruybarrettoi (S. Y. Hu & Barretto) Averyanov,Opred. Orkhid. Vetnama, 403. 1994.南 方 带 唇 兰 nan fang dai chun lanAnia ruybarrettoi S. Y. Hu & Barretto, Chung Chi J. 13(2):25. 1976.Pseudobulbs slightly spaced, dark green or purplish red,ovoid, 2.5–5.5 × 2.5–4 cm, with 2 sheaths. Petiole 15–25 cm;leaf blade dark green, lanceolate, 30–45 × 4.5–5.3 cm, acute.Inflorescence erect; peduncle 30–45 cm, with 3 reddish sheathlikebracts below; rachis 10–30 cm, glabrous, laxly 5–28-flowered;floral bracts dark purple, narrowly lanceolate, 8–13 mm.Flowers: sepals and petals dull reddish yellow, purple-veined,margin yellow, lip white, with purple stripes and spots on laterallobes, mid-lobe white, spotted with purple, spur orange, columnwhite, spotted with purple, anther cap creamy yellow, with deeppurple spots; pedicel and ovary longer than floral bracts. Sepalsand petals 3–5-veined; dorsal sepal narrowly lanceolate, 2.7–3.5 × 0.4–0.5 cm, acute; lateral sepals similar to dorsal sepal,slightly falcate. Petals obliquely oblanceolate, 2.7–3.5 × 0.4–0.5cm, acute; lip ca. 2.2 cm, 3-lobed; lateral lobes erect, embracingcolumn, ovate-oblong, 4–5 × ca. 3 mm, adaxially purple hairy,obtuse-rounded; mid-lobe slightly recurved, suborbicular, ca. 7× 7 mm, base narrowed into a claw, margin undulate, apexacute; disk with 5 lamellae extending from base to mid-lobeand thickened there, median longer; spur 3–5 × ca. 2 mm. Columnslightly arcuate, ca. 12 mm; rostellum triangular. Fl. Mar.