宣恩盆距兰  转到中国兰科植物志

Gastrochilus xuanenensis  分类来源:中国植物志

Gastrochilus xuanenensis Z. H. Tsi Acta Bot. Yunnan. 4: 269. 1982.

宣恩盆距兰 xuan en pen ju lan

Stems ca. 5 cm, ca. 2 mm in diam., with 4-6 leaves. Leaves basal, closely spaced, distichous; blade oblong or falcate-oblong, 2-2.5 × 0.5-0.8 cm, apex acute and with 2 or 3 awns. Inflorescence subumbellate, few flowered; peduncle 5-9 mm, base with 1 or 2 cupular sheaths; floral bracts ovate-triangular, 1-2 mm; pedicel and ovary ca. 6 mm. Flowers small, widely opening. Dorsal sepal oblanceolate-elliptic, ca. 4 × 1.5 mm, apex acute; lateral sepals oblong, ± oblique, ca. 3 × 1.5 mm, apex acute. Petals similar to lateral sepals, ca. 3 × 1.5 mm; lip with an epichile and a saccate hypochile; epichile reniform-triangular, ca. 2 × 3.5 mm, adaxially glabrous, with a central cushion extending to front wall of hypochile, entire; hypochile helmetlike, 2.5-3 mm tall, 2-2.5 mm in diam., outside with 3 ridges, apex rounded, ± auriculate on both sides of its entrance. Column short. Fl. May.

● On tree trunks at forest margins; 500-700 m. NE Guizhou, SW Hubei.


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