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

5. Eria gagnepainii A. D. Hawkes & A. H. Heller, Lloydia. 20: 130. 1957.

香港毛兰 xiang gang mao lan

Trichosma simondii Gagnepain, Bull. Mus. Natl. Hist. Nat., sér. 2, 22: 505. 1950; Eria herklotsii P. J. Cribb; E. rubropunctata Seidenfaden, nom. illeg. superfl.

Plants glabrous, turning black when dried. Rhizomes creeping, 4-5 mm in diam., with funnel-shaped sheaths 0.7-1.5 cm. Pseudobulbs contiguous or 1-3 cm apart from each other, cylindric, slender, 5-23 cm × 3-6 mm, base with a long, fibrously lacerate sheath. Leaves 2, subterminal, sessile, narrowly elliptic, elliptic-lanceolate, oblong-lanceolate, or obovate-elliptic, 10-26 × 2.5-6 cm, with 5-9 main veins, acuminate. Inflorescence 1(or 2), arising between leaves, 6-40 cm, up to 12-flowered; floral bracts ovate-lanceolate to linear, 6-11 mm, acuminate. Flowers pure white at first, turning cream-colored and then yellow as they age, scented or unscented; pedicel and ovary 1-1.5 cm. Dorsal sepal narrowly elliptic or oblong-elliptic, 14-16 × 3-5 mm, acute or obtuse; lateral sepals falcate-elliptic or falcate-lanceolate, 12-16 × 5-8 mm, obtuse to acuminate; mentum ca. 5 mm, obtuse. Petals oblong-lanceolate, slightly curved, 11-13 × 1.5-3 mm, acute or obtuse; lip suborbicular or ovate-orbicular in outline, ca. 9 × 8 mm, 3-lobed; lateral lobes parallel to mid-lobe, suboblong or ovate-triangular, obtuse; mid-lobe 2-3 × ca. 2 mm, subtriangular or ovate-triangular, acute; disk with 2 diverging keels and 1 keel on mid-lobe, or with 2 entire lamellate keels below middle and 5 undulate lamellate keels above middle and central 3 of latter extending to mid-lobe, confluent, and reduced to a few teeth. Column ca. 5 mm, foot ca. 5 mm. Fl. Feb-Apr.

Epiphytic on trees or lithophytic on rocks in forests; 1500-2100 m. Hainan, Hong Kong, SE Xizang, NW to S Yunnan [Vietnam].


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