时珍兰 Shizhenia pinguicula

  • Scientific Name: Shizhenia pinguicula (Rchb.f. & S.Moore) X.H.Jin, Lu Q.Huang, W.T.Jin & X.G.Xiang
  • Ref: Biodivers. Sci. 23: 240 (2015).
  • Chinese Common Name: 时珍兰 Shízhēn lán, 大花无柱兰 dàhuā wúzhùlán
  • Family: Orchidaceae
  • Genus: Shizhenia
  • Distribution: Rocky soils in forests, moist grasslands, valleys; 200-400 m. NE Zhejiang.
Plants 7-16 cm tall. Tubers ovoid, 10-15 mm in diam. Stem with 1 or 2 tubular sheaths at base, 1-leaved. Leaf subbasal, porrect, linear-oblanceolate, narrowly elliptic, oblong-ovate, or ligulate-oblong, 1.5-8 × 0.6-1.2 cm, apex subacute. Peduncle with 1 or 2 lanceolate sterile bracts; rachis 1- or rarely 2-flowered; floral bract linear-lanceolate, 5-6 mm, much shorter than ovary, apex acuminate. Flower rose-red to purplish red, rather large; ovary 9-17 mm including pedicel, very slender. Dorsal sepal erect, ovate, concave, 5-7 × 3-4 mm, 1-veined, apex acute; lateral sepals spreading to reflexed, ovate-lanceolate, slightly oblique, 6-8 × 3-4 mm, 2- or 3-veined, apex acute. Petals loosely connivent with dorsal sepal and forming a hood, broadly ovate, slightly oblique, 3.5-4.5 × ca. 3 mm, 3-veined, apex obtuse; lip flabellate, 11-15 × 13-19 mm, base cuneate, 3-lobed toward apex; lateral lobes broadly oblong-ovate, ca. 4 × 5 mm, apex truncate; mid-lobe broadly obovate, ca. 4 × 7.5 mm, apex truncate to slightly emarginate; spur horizontal to pendulous, straight to slightly curved, narrowly conic, 15-17 mm, usually exceeding ovary, gradually attenuate, apex acute; viscidia subovate; stigma lobes narrowly oblong. Fl. Apr-May. (Flora of China)

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