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

1. Haraella retrocalla (Hayata) Kudô, J. Soc. Trop. Agric. 2: 27. 1930.

香兰 xiang lan

Saccolabium retrocallum Hayata, Icon. Pl. Formosan. 4: 92. 1914; Gastrochilus odoratus (Kudô) J. J. Smith; G. retrocallus (Hayata) Hayata; G. retrocallosus Schlechter; Haraella odorata Kudô; S. odoratum (Kudô) Makino & Nemoto.

Stem 1.5-2 cm, densely rooting at base. Leaves usually 5 or 6; leaf blade falcate-oblanceolate or suboblong, 2.5-4 × 0.5-1 cm, leathery, obtuse or acute, usually bilobed. Inflorescences nearly as long as leaves, 1-4-flowered; floral bracts ovate, small, ca. 2 mm. Flowers yellowish white, with dark red or blackish purple markings on lip, opening widely, thickly textured; pedicel and ovary ca. 1 cm, slender. Sepals similar, ± elliptic-obovate, 8-10 × 3-5 mm, acute. Petals oblique, elliptic-oblong, 8-10 × 2.5-3 mm, base contracted, apex obtuse; lip nearly pandurate, 12-14 × 8.5-10 mm, contracted near middle; hypochile nearly oblate, adaxially pubescent, base with retrorse callus, margin fimbriate-ciliate; epichile suborbicular, adaxially densely hairy at center, margin fimbriate-ciliate, apex rounded or retuse. Column ca. 2.5 mm; anther cap ovoid, apex truncate and irregularly dentate. Fl. Jul-Nov.

● Epiphytic on tree trunks in broad-leaved forests; 500-1500 m. Taiwan.


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