ORCHIDACEAE - China

EPIDENDROIDEAE 35716. Pinalia amica (H. G. Reichenbach) Kuntze, Revis. Gen. Pl.2: 679. 1891.粗 茎 苹 兰 cu jing ping lanEria amica H. G. Reichenbach, Xenia Orchid. 2: 162.1870; E. andersonii J. D. Hooker; E. confusa J. D. Hooker; E.hypomelana Hayata; Pinalia andersonii (J. D. Hooker) Kuntze;P. confusa (J. D. Hooker) Kuntze.Pseudobulbs fusiform or cylindric, 3.5–14 × 0.4–1.6 cm,apex 1–3-leaved. Leaf blade linear, oblong, or ovate-elliptic,10–21 × 0.8–2.3 cm, base attenuate to short petiole or subsessile,apex acute. Inflorescences 1 or 2(–4), arising from middleor upper part of pseudobulb, rarely near base, suberect, 3–7 cm,sparsely 6–10-flowered; rachis with dense rusty hairs; floralbracts elliptic or elliptic-lanceolate, 8–12 × 3–5 mm, glabrous.Flowers: sepals and petals buff-yellow, with red veins and yellowapices, lip pink with bright yellow apex, lateral lobes andkeels red; pedicel and ovary 1.5–2 cm, with dense rusty hairs.Sepals with rusty hairs; dorsal sepal oblong-lanceolate, ca. 10 ×2 mm, obtuse; lateral sepals obliquely ovate-triangular, ca. 10 ×4 mm, acuminate; mentum ca. 3 mm. Petals obovate-lanceolate,8–9 × ca. 2 mm, acuminate; lip subobovate-elliptic in outline,ca. 8 × 6 mm, 3-lobed; lateral lobes incurved, ovate-elliptic, ca.3 × 1.5 mm, obtuse; mid-lobe reniform, 3–4 × ca. 4.5 mm,fleshy except for middle part, apex emarginate; disk with 3lamellae; central lamella extending to mid-lobe and thickenedthere, lateral 2 to near base of mid-lobe and thickened in apicalhalf. Column ca. 4 mm (not including anther cap); foot ca. 3mm. Capsule obovoid-cylindric, ca. 3 cm × 2–3 mm, with rustyhairs; fruiting pedicel 9–12 mm, hairy. Fl. Mar–Apr, fr. Jun. 2n= 36, 38, 40.Epiphytic on trees in forests; 800–2200 m. Taiwan, S Yunnan[Bhutan, Cambodia, India, Laos, Myanmar, Nepal, Thailand, Vietnam].17. Pinalia obvia (W. W. Smith) S. C. Chen & J. J. Wood,comb. nov.长 苞 苹 兰 chang bao ping lanBasionym: Eria obvia W. W. Smith, Notes Roy. Bot. Gard.Edinburgh 8: 335. 1915.Pseudobulbs ± tufted, fusiform, 4–6.5 × 1–1.4 cm, apex 3-or 4-leaved. Leaves subsessile, elliptic or obovate-lanceolate,5–20 × 1.5–3 cm, base attenuate, apex obtuse. Inflorescences 1–3, subterminal, many flowered; peduncle 3–4 cm; rachis withyellowish brown hairs or nearly glabrous; floral bracts lanceolate,1–2 cm, long acuminate. Flowers white. Dorsal sepal lanceolate,8–10 × 2–3 mm, obtuse; lateral sepals lanceolate, 7–9 ×3–5 mm, acuminate. Petals linear-lanceolate, 7–8 × 1–2 mm,acuminate; lip suboblong in outline, 3–7 × 3–5 mm, 3-lobedabove middle; lateral lobes subovate, 1–2 mm, acute; mid-lobeoblong, 2–3 × 1–2 mm, rounded; disk with 3 lamellae, centrallamella running to base of mid-lobe, lateral lamellae shorter buthigher than central one. Column 2–4 mm; foot 2–4 mm. Capsuleobovoid-cylindric, 1.5–2 cm. Fl. Apr–May, fr. Sep–Oct.● Epiphytic on tree trunks in forests; 700–2000 m. W Guangxi,Hainan, S Yunnan.128. TRICHOTOSIA Blume, Bijdr. 342. 1825.毛 鞘 兰 属 mao qiao lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi), Luo Yibo ( 罗 毅 波 ); Jeffrey J. WoodHerbs, epiphytic, lithophytic, or rarely terrestrial. Stems long or short, leafy throughout except at base, usually throughout withreddish brown, rarely white, hispid hairs, sometimes hairs restricted to leaf sheaths and inflorescences. Inflorescences lateral,from any node, piercing leaf sheath, short and few flowered, or long, pendulous, and many flowered; floral bracts at right angles torachis, large, concave, hairy. Flowers resupinate, not opening widely, small to medium-sized. Sepals red hairy abaxially, lateral sepalsadnate to column foot forming a mentum. Lip entire to obscurely 3-lobed; disk with or without keels, sometimes papillose. Columnwith a foot; pollinia 8.About 50 species: from mainland Asia through SE Asia to New Guinea and the Pacific islands; four species (one endemic) in China.1a. Stems creeping, less than 4 cm; inflorescence 1-flowered ......................................................................................... 4. T. dasyphylla1b. Stems erect or pendulous, usually longer; inflorescence 1–6-flowered.2a. Stems pendulous, more than 20 cm, new growth pale hirsute, old growth brown hispid; leaves 10–18 mmwide; inflorescence 3–6-flowered; flowers white, flushed pink ............................................................................ 1. T. pulvinata2b. Stems erect, 3–12 cm, white hirsute; leaves 3–5 mm wide; inflorescence 1-flowered; flowers yellowishgreen or yellow.3a. Lip with 2 purple central calli .................................................................................................................. 2. T. dongfangensis3b. Lip with an abaxial conical apical callus ..................................................................................................... 3. T. microphylla1. Trichotosia pulvinata (Lindley) Kraenzlin in Engler,Pflanzenr. 50(IV. 50. II. B. 21): 138. 1911.高 茎 毛 鞘 兰 gao jing mao qiao lanEria pulvinata Lindley, J. Proc. Linn. Soc., Bot. 3: 56.1858; E. rufinula H. G. Reichenbach; Pinalia pulvinata (Lindley)Kuntze; P. rufinula (H. G. Reichenbach) Kuntze; Trichotosiarufinula (H. G. Reichenbach) Kraenzlin.Plants reddish brown tomentose. Stem pendulous, cylindric,often to 50–100 cm, 6–8 mm in diam., with many nodes,internodes ca. 2 cm. Leaves alternate along stem, lanceolate oroblong-lanceolate, oblique, 6–10 × 1–1.8 cm, both surfacesreddish brown tomentose, sheathing at base, apex acuminate;sheaths 1.5–2 cm, reddish brown tomentose, amplexicaul. Inflorescenceborne above middle of stem, arising opposite leaves,ca. 2 cm, 3–6-flowered; floral bracts ovate-lanceolate, 5–6 mm,