ORCHIDACEAE - China

440EPIDENDROIDEAEPhyllorkis hirta (Smith) Kuntze; Tribrachia hirta (Smith)Lindley.Rhizome creeping and rooting, 3–4 mm in diam. Pseudobulbs5–10 mm apart from each other, ovoid-conic, 1.5–3 cm,ca. 1 cm in diam., with 2 leaves at apex. Leaves deciduous atanthesis; petiole ca. 5 mm; blade elliptic or oblong, ca. 12 ×2.5–3 cm, leathery, apex obtuse. Scape arising from base ofleafless pseudobulb, to 15 cm; raceme pendulous, ca. 5 cm,with pubescent rachis, densely with many small flowers; peduncleca. 3 mm in diam., with 2 or 3 tubular sheaths; floralbracts ovate, ca. 0.7 mm, apex acute, ciliate. Pedicel and ovarypubescent, ca. 1 mm. Flowers greenish white. Sepals free; dorsalsepal lanceolate, ca. 4.5 × 2 mm, abaxially densely pubescent,apex acute and slightly curved; lateral sepals slightlylarger than dorsal sepal, obliquely ovate-lanceolate, abaxiallydensely pubescent, base adnate to column foot, apex acute.Petals oblanceolate, ca. 2 × 1.5 mm, membranous, margins fimbriate-ciliate;lip recurved, ± conduplicate, narrowly oblong,fleshy, ciliate, base attached to end of column foot by an immobilejoint, apex retuse. Column ca. 1.5 mm; stelidia subulate,nearly as high as anther, ca. 0.5 mm; foot ca. 2.7 mm, with freepart ca. 0.7 mm; anther cap papillate. Fl. Jul.Tree trunks in evergreen broad-leaved forests; ca. 1800 m. SYunnan [NE India, Myanmar, Nepal, Thailand, Vietnam].103. Bulbophyllum suavissimum Rolfe, Gard. Chron., ser. 3,5: 297. 1889.直 葶 石 豆 兰 zhi ting shi dou lanRhizome creeping, ca. 1.5 mm in diam. Pseudobulbs ca. 1cm apart on rhizome, ovoid, ca. 8 mm, ca. 5 mm in diam., with2 leaves at apex. Leaves deciduous at anthesis, not seen. Scapefrom base of leafless pseudobulb, erect, ca. 8 cm; peduncleslender, with 2 or 3 sheaths ca. 4 mm; raceme sparsely withseveral secund flowers; rachis glabrous; floral bracts ovate, 1.5–2 mm, apex acute. Pedicel and ovary ca. 4 mm. Flowers thinlytextured, pale yellow. Dorsal sepal ovate, ca. 4 × 2.2 mm, entire,acute; lateral sepals ovate-lanceolate, ca. 6 × 2 mm, baseadnate to column foot, margin entire, apex acute. Petals ovatelanceolate,ca. 2.8 × 1.2 mm, base ca. 1/2 width adnate to columnfoot, apical margin ± denticulate, apex obtuse; lip recurved,narrowly oblong, ca. 3.5 × 0.7 mm, fleshy, centrallychanneled at base, adaxially densely finely papillate, apex obtuse.Column ca. 1.5 mm; foot ca. 1.5 mm, with free part ca. 0.5mm; stelidia dentate, apex subulate; anther cap subglobose,finely papillate. Fl. Mar.Tree trunks in evergreen broad-leaved forests; ca. 900 m. S Yunnan[Myanmar, N Thailand].143. MONOMERIA Lindley, Gen. Sp. Orchid. Pl. 61. 1830.短 瓣 兰 属 duan ban lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jaap J. VermeulenHerbs, epiphytic. Rhizome creeping, stout, rooting from nodes of rhizomes. Pseudobulbs often spaced on rhizome, with a leaf atapex. Leaf long petiolate; blade thickly textured, base contracted into petiole. Scape arising laterally from base of pseudobulb;raceme sparsely many flowered; floral bracts persistent, shorter than pedicel and ovary. Flowers medium-sized. Dorsal sepal usuallysmaller than lateral sepals; lateral sepals adnate at base to distal half of column foot, their lower edges connate at base or apex to eachother. Petals smaller than sepals, base decurrent and adnate to basal half of column foot, margins denticulate or erose; lip 3-lobed,usually pandurate, base attached to end of column foot by a mobile joint, with 2 small auricles on both basal sides; disk with 2lamellae adaxially. Column stout, both sides winged, with distinct stelidia; foot rather long, upcurved; pollinia waxy, 4, unequal insize, in 2 pairs, subglobose, with a common stipe and a viscidium.About three species: Nepal to Myanmar, Thailand, and Vietnam; one species in China.1. Monomeria barbata Lindley, Gen. Sp. Orchid. Pl. 61. 1830.短 瓣 兰 duan ban lanEpicranthes barbata (Lindley) H. G. Reichenbach.Rhizome creeping, ca. 5 mm in diam. Pseudobulbs ca. 6cm apart on rhizome, ovoid, ca. 4 cm, ca. 1.5 cm in diam.Petiole 9–10 cm; leaf blade oblong, 21–22 × ca. 4 cm, thicklyleathery, base contracted into petiole, apex obtuse and retuse.Scape ascending, 16–28 cm; raceme 5–10 cm, sparsely 4–7-flowered; peduncle 11–18 cm, stout, 3–4 mm in diam., sparselywith 3–5 sheaths 6–10 mm; floral bracts ovate, ca. 7 mm, apexobtuse. Pedicel and ovary ca. 1.8 cm. Flowers widely opening,yellow, tinged with reddish. Dorsal sepal erect, ovate, concave,ca. 15 × 5 mm, 6-veined, apex acute; lateral sepals lanceolate,ca. 20 × 7 mm, adaxially densely hispid, 6-veined, apex acuminate.Petals obliquely triangular, ca. 3 × 2.5 mm, marginserose or slightly fimbriate, 1-veined, apex acute; lip 3-lobed;lateral lobes nearly suborbicular; mid-lobe somewhat larger,apex obtuse; basal auricles narrowly falcate; disk with 2 membranouslamellae. Column ca. 6 mm, base with a foot ca. 8 mm,with wings dilated at middle; stelidia deltoid. Fl. Jan.Tree trunks or rocks in forests; 1000–2000 m. SW Guizhou, SEXizang, W to SE Yunnan [NE India, Myanmar, Nepal, Thailand, N Vietnam].Ione Lindley.144. SUNIPIA Lindley, Orchid. Scelet. 14, 21, 25. 1826.大 苞 兰 属 da bao lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Jaap J. Vermeulen