反瓣虾脊兰Calanthe reflexa

  • Scientific Name: Calanthe reflexa Maximowicz
  • Ref: Bull. Acad. Imp. Sci. Saint-Pétersbourg. ser3. 18: 68. 1873.
  • Synonyms:Alismorkis reflexa (Maximowicz) Kuntze;
    Calanthe puberula Lindley var. reflexa (Maximowicz) M. Hiroe;
    C. similis Schlechter;
    Paracalanthe reflexa (Maximowicz) Kudô.
  • Chinese Common Name: 反瓣虾脊兰 fan ban xia ji lan
  • Family: Orchidaceae
  • Genus: Calanthe
  • Distribution: Evergreen broad-leaved forests, mossy rocks on streamsides or along valleys; 600-2500 m. Anhui, N Guangdong, N Guangxi, Guizhou, Hubei, Hunan, Jiangxi, W Sichuan, Taiwan, NE and SW Yunnan, Zhejiang [Japan, Korea].
  • Type:Japan: Kiusiu: Nagasaki, Wunzen, anno 1863, C.J. Maximowicz s.n.(Lectotype:LE)
 Plants 20-45 cm tall. Rhizome inconspicuous. Pseudobulbs short, ca. 1 cm in diam., sometimes inconspicuous. Leaves 4 or 5, basal, well developed at anthesis, not deciduous; blade elliptic, 15-20 × 3-6.5 cm, apex acute; petiole-like base 2-4 cm. Scapes 1 or 2, erect, 20-40 cm, puberulent; rachis 5-20 cm, laxly 10-18-flowered; floral bracts persistent, narrowly lanceolate, 18-24 mm, glabrous, apex acuminate. Flowers pale purplish pink; pedicel and ovary ca. 20 mm, glabrous. Sepals similar, strongly reflexed, ovate-lanceolate, 15-20 × ca. 5 mm, abaxially puberulent, 5-veined, apex cuspidate-acute; lateral sepals oblique. Petals reflexed, linear, 15-18 × 1-3 mm, 1-3-veined, apex acuminate; lip adnate to base of column wings, 9-11 × 7-10 mm, spurless, 3-lobed; lateral lobes oblong-falcate, ca. 8 mm across their apices, margin entire, apex obtuse; mid-lobe subelliptic or obovate-cuneate, ca. 8 × 8 mm, apical margin irregularly dentate, apex acute; disk without lamellae or calli. Column ca. 6 mm, glabrous; rostellum 3-lobed; lobes narrowly falcate, mid-lobe shorter and sharply tooth-shaped. Fl. May-Jun. 2n = 40, 42. (Flora of China)

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