Gastrochilus saccatus Z. H. Tsi, Guihaia. 16: 149. 1996.四肋盆距兰 si lei pen ju lan

Stems creeping, 3-9 cm, ca. 2 mm in diam., sometimes branched, internodes 4-5 mm. Leaves many, distichous; blade elliptic, 1-1.8 × 0.4-0.7 cm, apex acute and slightly 3-lobed. Inflorescence subumbellate, 2- or 3-flowered; peduncle ca. 7 mm, slender, upper part slightly enlarged, with 2 sheaths at base; floral bracts ovate-triangular, small, ca. 1 mm; pedicel and ovary ca. 6 mm. Dorsal sepal elliptic, ca. 4.8 × 2.8 mm, apex obtuse; lateral sepals slightly oblique, oblong, ca. 5 × 2.6 mm, apex obtuse. Petals oblanceolate, ca. 4 × 2.6 mm, apex rounded; lip with an epichile and a saccate hypochile; epichile recurved, reniform or reniform-triangular, ca. 2.7 × 9 mm, margin and adaxial surface densely shortly hairy, with a central cushion extending to hypochile, apex obtuse; hypochile straight, subglobose or cupular, ca. 4 mm tall, ca. 3 mm in diam., outside 4-ridged, apex rounded. Column short; anther cap ca. 2 mm, narrowed toward apex. Fl. unknown.

● Yunnan.