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FOC | Family List | FOC Vol. 25 | Orchidaceae | Liparis

59. Liparis delicatula J. D. Hooker, Hooker’s Icon. Pl. 19: ad t. 1889. 1889.

小巧羊耳蒜 xiao qiao yang er suan

Leptorkis delicatula (J. D. Hooker) Kuntze; Platystyliparis delicatula (J. D. Hooker) Margońska.

Herbs, epiphytic, very small, nearly in clusters. Pseudobulbs densely arranged, oblong or cylindric-fusiform, 5-9 × 3-5 mm. Leaves 2(or 3), spatulate-oblong to oblong-lanceolate, 1.2-3.5(-4.5) × 0.5-1.1 cm, papery, base contracted into a short petiole, articulate, apex acute and apiculate. Inflorescence 4-10 cm, upper part sometimes narrowly winged, with a few sterile bracts; rachis 2-5 cm, several to 10-flowered; floral bracts ovate-lanceolate, 2-3 mm. Flowers white; pedicel and ovary 3-4 mm. Dorsal sepal ovate-oblong, 2.5-3 × 1.5-1.8 mm, abaxially carinate, apex obtuse; lateral sepals ovate or ovate-elliptic, slightly oblique, ca. 2 mm wide. Petals narrowly linear-lanceolate, 2.5-3 × ca. 0.5 mm; lip broadly elliptic or orbicular, ca. 2.5 mm, conspicuously folded and twisted on both sides below middle, apical half strongly reflexed, base with an orbicular, auriculate, callus-shaped fold on either side, with a concave callus in center near base, apex subtruncate or rounded, shortly caudate. Column erect, ca. 2.2 mm, with 2 wings on upper ventral surface, and 2 wings on both lower sides. Capsule trigonous-obovoid, ca. 4 × 2.5 mm; fruiting pedicel ca. 2 mm. Fl. and fr. Dec-Feb.

On trees in forests or along valleys; 500-2900 m. S Hainan, SE Xizang, S and W Yunnan [NE India, N Laos, Vietnam].


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