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Flora of Taiwan | Family List | Orchidaceae | Calanthe

Calanthe aristulifera Rchb. f., Bot. Zeit. 36: 74. 1878; Liu & Su, Fl. Taiwan 5: 906. 1978; Su, Quart. J. Expt. Forest. Natl. Taiwan Univ. 4(3): 150, pl. 7. 1990.


  • Calanthe elliptica Hayata
  • Calanthe kirishimensis Yatabe
  • Calanthe raishaensis Hayata

    Plants 30-50 cm tall. Pseudobulbs tufted, globose to ovoid, 1.5-2 cm long, with 2 or 3 nodes. Leaves 2-4, +/- rigid, nearly erect, oblong, 25-30 cm long, 7-8 cm wide, acute at apex, cuneate at base, strongly plicate, entire; petiole ca. 25 cm long, canaliculate, ridged outside. Scapes arising with young leaves, ca. 30 cm tall, slender; rachis 20 cm long; bracts lanceolate, 5-7 mm long, acuminate; pedicel and ovary 1.5-2 cm long, ovary short pubescent. Flowers pendulous, loosely spaced, white, slightly tinged with purple outside; sepals oblong, 1.5-2 cm long, 8 mm wide, acute at apex, contracted at base; petals linear-oblong, 1.2-1.5 cm long, 4-5 mm wide, acute at apex, narrow at base; lip connate at base with column, orbicular, 1 cm long, 1-1.5 cm wide, spurred, shallowly 3-lobed, lateral lobes falcate rectangular, truncate at apex, central lobe smaller, orbicular-square, often grooved and apiculate at tip, with 3-5 fleshy yellow raised ridges, ridges nearly parallel, sometimes interrupted midway, spur straight, 2-3 cm long, shortly pilose outside, pointing upward from pendulous flower; column 4-5 mm long; anther fleshy, ovate, with caudate apex; pollinia short clavate, 2 mm long, attached through short caudicles to a broad viscidium; stigma solitary, semiorbicular; rostellum short, bifid.

    TAIPEI: North Chiatienshan, Su 967; Lalashan, Su 7735. ILAN: Chungyoungchienshan, Su 973; Nanau, Su & Chen 7805. TAOYUEN: Lalashan, Su & Chen 7735. HSINCHU: Litungshan, Su & Chen 7779. PINGTUNG: Ako, Matsuda 322. HUALIEN: Yenghai logging road, Chiou s. n. Apr 1983.

    Southern China and Japan. Taiwan, in forests at 1,500-2,500 m in the north and east.


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