Calanthe sacculata Schlechter, Repert. Spec. Nov. Regni Veg. Beih. 4: 67. 1919.囊爪虾脊兰 nang zhao xia ji lan

Calanthe sacculata var. tchenkeoutinensis Tang & F. T. Wang.

Plants 25-30 cm tall. Leaves 3, basal, not deciduous; blade elliptic, 14-17 × 3-4.5 cm, glabrous, base petiole-like, apex subacute or acute. Scape arising from leaf axil, erect, to ca. 27 cm, with 1 or 2 bractlike sheaths, puberulent; rachis laxly 4-6-flowered; floral bracts persistent, ovate, apex acuminate. Flowers medium-sized; pedicel and ovary ca. 10 mm, puberulent. Sepals oblong, ca. 15 mm, base contracted, apex subacute; lateral sepals oblique. Petals lanceolate-ligulate, oblique, slightly shorter than sepals, apex acuminate; lip adnate to base of column wings, 3-lobed, spurless, clawed at base, claw concave and forming a shallow sac at base; lateral lobes spreading horizontally, ovate, oblique, ca. 11 mm across their apices, apex obtuse; mid-lobe orbicular, ca. 7 mm wide, apex emarginate and mucronate; disk with 1-3 lamellae; lamellae subovoid, ca. 9 mm. Column short, glabrous. Fl. unknown.

● About 1800 m. Chongqing, Guizhou.