ORCHIDACEAE - China

EPIDENDROIDEAE 309anthesis, not deciduous; blade elliptic, 21–25 × ca. 10 cm,abaxially densely puberulent, apex acuminate or acute; petiolelikebase ca. 20 cm, usually forming a pseudostem ca. 10 cm.Scape arising from leaf axil, to 55 cm, densely puberulent;rachis ca. 10 cm, laxly 6- or 7-flowered; floral bracts persistent,narrowly lanceolate, 4–5 mm, sparsely puberulent. Flowerswhite; pedicel and ovary ca. 16 mm, puberulent. Dorsal sepaloblong, 15–18 × ca. 6 mm, abaxially puberulent, 5-veined, apexaristate; lateral sepals oblong, slightly oblique, 15–18 × ca. 6mm, abaxially puberulent, 5-veined, apex acuminate and aristate.Petals narrowly oblong, 14–16 × 3.2–4 mm, glabrous, 3-veined, apex acuminate and aristate; lip adnate to entire lengthof column wings, ca. 11 × 9 mm, 3-lobed; lateral lobes subfalcate-oblong,ca. 3.5 × 2 mm, 6–7 mm across their apices,apex obliquely truncate; mid-lobe obovate, ca. 7 × 8 mm, baseclawed, margin slightly erose, apex emarginate and apiculate insinus; disk with 3 ridges and with a fleshy triangular appendagenear mouth of spur; central ridge extending to apex of midlobe;spur strongly curved near apex, 8–9 mm, outside sparselypuberulent. Column ca. 5 mm, dilated at apex, puberulent,wings decurrent to lip; rostellum 2-lobed; lobes ca. 1 mm; anthercap beaked; pollinia narrowly ovoid, ca. 1.5 mm; viscidiumnarrowly oblong, ca. 1 mm. Fl. Apr.● Shaded places along valleys. S Guangdong.50. Calanthe sieboldii Decaisne ex Regel, Index Seminum [St.Petersburg] 1868: 80. 1868.大 黄 花 虾 脊 兰 da huang hua xia ji lanCalanthe discolor Lindley f. sieboldii (Decaisne ex Regel)Ohwi; C. discolor var. sieboldii (Decaisne ex Regel) Maximowicz;C. kawakamii Hayata; C. striata (Swartz) R. Brown f.sieboldii (Decaisne ex Regel) Ohwi; C. striata var. sieboldii(Decaisne ex Regel) Maximowicz; C. takeoi Hayata.Plants 30–55 cm tall. Rhizome elongate, thick. Pseudobulbssmall, with 5–7 sheaths. Leaves 2 or 3, well developed atanthesis, not deciduous; blade broadly elliptic, 20–60 × 7.5–15cm, apex acute or mucronate; petiole-like base 6–18 cm, usuallyforming a pseudostem 4–14 cm long and ca. 1.5 cm indiam. Scape 40–50 cm, sparsely puberulent; rachis 6–15 cm,laxly to subdensely 6–13-flowered; floral bracts persistent, lanceolate,ca. 10 mm, glabrous, apex acuminate. Flowers brightyellow, large, slightly fleshy; pedicel and ovary 10–15 mm,sparsely puberulent. Dorsal sepal elliptic, 22–30 × 10–15 mm,apex acute; lateral sepals ovate-oblong, oblique, 18–28 × 8–14mm, apex acute. Petals narrowly elliptic, 19–24 × 7–9.5 mm,base narrowed, apex acute; lip adnate to entire length of columnwings, spreading horizontally, yellow, mottled red at base,deeply 3-lobed; lateral lobes ovate or falcate-obovate, oblique,10–15 × 5–8 mm, apex obtuse-rounded; mid-lobe nearly elliptic,9–13 × 5–9 mm, apex mucronate; disk with 5 ridges and 2rows of white short hairs at base; lateral 2 ridges fleshy, central3 extending almost to apex of mid-lobe; spur ca. 8 mm, insidepuberulent. Column ca. 5 mm, thick; rostellum 2-lobed; polliniawith short caudicles, attached to an elliptic viscidium. Fl. Feb–Mar. 2n = 40.Forests; 1200–1500 m. Hunan, SW Taiwan [Japan (RyukyuIslands), Korea].51. Calanthe labrosa (H. G. Reichenbach) H. G. Reichenbach,Gard. Chron., n.s., 19: 44. 1883.葫 芦 茎 虾 脊 兰 hu lu jing xia ji lanLimatodis labrosa H. G. Reichenbach, Gard. Chron., n.s.,11: 202. 1879; Alismorkis labrosa (H. G. Reichenbach) Kuntze;Calanthidium labrosum (H. G. Reichenbach) Pfitzer.Plants ca. 30 cm tall, without a distinct rhizome. Pseudobulbs± clustered, stemlike, ovoid or ovoid-conic, often contractedat middle, 3–8 × ca. 4 cm, with 2 or 3 sheaths. Leaves 2or 3, fully spreading at anthesis, deciduous in dry season; bladeelliptic, ca. 30 × 9 cm, base contracted and articulate, apexacuminate. Scape arising from base of pseudobulb, erect, to 28cm, densely villous, with 2 brownish tubular sheaths belowmiddle; rachis 8–10 cm, laxly 3–10-flowered; floral bractspersistent, ovate, ca. 20 mm, abaxially villous, apex acuminate.Flowers white, flushed pink, opening fully; pedicel and ovaryca. 35 mm, densely villous. Dorsal sepal ± reflexed, ovate, ca.12 × 5 mm, abaxially densely villous, 3-veined, apex acute; lateralsepals ± reflexed, ovate, oblique, ca. 14 × 14 mm, abaxiallydensely villous, apex acute. Petals ± reflexed, ovate-oblong, ca.15 × 5.5 mm, apex acute; lip adnate to column foot, broadlyovate, ca. 14 × 20 mm, ± 3-lobed; lateral lobes embracing column,white, with many purplish red spots and pale pink stripes,margin ± crisped; mid-lobe suborbicular, margin crisped; diskwhite, with 3 ridges at base; central ridge extending to apex ofmid-lobe; spur yellowish, slender, ca. 25 × 1.5 mm, outsidedensely villous. Column purplish red, ca. 5 mm, thick, with awhitish column foot ca. 3 mm; rostellum 2-lobed; pollinia obovoid,equal in size, ca. 1 mm, with short caudicles; viscidiumnarrowly triangular. Fl. Nov–Dec.Evergreen broad-leaved forests; 800–1200 m. S Yunnan [Myanmar,Thailand].102. ACANTHEPHIPPIUM Blume, Bijdr. 353. 1825 [“Acanthophippium”].坛 花 兰 属 tan hua lan shuChen Xinqi ( 陈 心 启 Chen Sing-chi); Stephan W. Gale, Phillip J. CribbHerbs, terrestrial. Rhizome short, inconspicuous. Pseudobulbs ovoid, ovoid-cylindric, or clavate, fleshy, with a few internodes,usually covered with several membranous scalelike sheaths, with several stout, fleshy roots at base and 1–4 leaves at apex. Leavesovate, elliptic, or obovate, large, convolute, plicate, base contracted and sheathing, articulate. New shoot arising from base of pseudobulb.Inflorescence borne laterally from a new shoot or from a lower node on pseudobulb, erect, short, unbranched, fleshy; peduncleusually enclosed by several large imbricate sheaths; rachis few flowered; floral bracts large, foliaceous. Flowers resupinate, large,fleshy; pedicel and ovary ellipsoid, sometimes sparsely pubescent, thickening after anthesis. Sepals connate at base and forming gib-