短距叉柱兰 duan ju cha zhu lan

Plants ca. 15 cm tall. Rhizome almost vertical, ca. 3.5 × 1 cm, fleshy, nodes slightly contracted. Stem short, 4- or 5-leaved. Leaves withered at anthesis, clustered, lanceolate, 1.5-4.5 × 0.7-1.2 cm; petiole-like base and sheath 1-2.5 cm. Inflorescence ca. 14 cm, pubescent, with 2 or 3 sterile bracts; rachis short, 1-5-flowered; floral bracts ovate to lanceolate, 5-10 mm, glabrous. Flowers white; pedicel and ovary ca. 8 mm, glandular hairy. Sepals 6-7 mm, connate for ca. 3/5 of length and forming a ± curved tube; free apical lobes triangular, ca. 2 mm. Petals appressed to dorsal sepal, spatulate, ca. 10 × 1 mm; lip ca. 1.6 cm, 3-partite; hypochile saccate and shortly spurred, ca. 2 mm, inside with 2 3- or 4-lobed calli; mesochile ca. 6 mm; epichile with 2 green spots at base, deeply bilobed; lobes ca. 10 × 7 mm, 4- or 5-laciniate, each division 1.5-2.5 mm. Column ca. 2.5 mm; stelidia ca. 4 mm, slightly longer than rostellum arm. Fl. Mar.

● Forests on limestone mountains; ca. 1200 m. S Yunnan.