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

5. Phalaenopsis hainanensis Tang & F. T. Wang, Acta Phytotax. Sin. 12: 47. 1974.

海南蝴蝶兰 hai nan hu die lan

Doritis hainanensis (Tang & F. T. Wang) T. Yukawa & K. Kita; Phalaenopsis chuxiongensis F. Y. Liu.

Stems 1-1.5 cm, enclosed in leaf sheaths, 3- or 4-leaved. Leaves often deciduous at anthesis, or sometimes leaving a small leaf, obliquely oblong, ca. 4 × 1 cm, retuse. Inflorescences usually 1 or 2, ascending, to 55 cm, sometimes branched, laxly 8-10-flowered; rachis 27-30 cm; floral bracts ovate, 3-4 mm. Flowers opening widely, pale pink, lip darker rose-pink; pedicel and ovary slender, 2-2.5 cm. Dorsal sepal oblong, ca. 13 × 3 mm, obtuse; lateral sepals obliquely elliptic, ca. 13 × 5.5 mm, acute. Petals spatulate, ca. 12 × 5-6 mm, base contracted into a short claw, apex obtuse; lip base with a claw ca. 1 mm, lip 3-lobed; lateral lobes erect, falcate-oblong, ca. 5 × 2.5 mm, obliquely truncate, adaxially with incised-tipped keels from middle to apex; mid-lobe obovate, ca. 7 × 5 mm, dorsally keeled, 3-lobulate, obtuse-rounded, with a pair of small subapical reflexed flaps; callus biseriate, base of lip with a low bifid callus, base of mid-lobe with a larger, suberect pair of teeth. Column ca. 7 mm, foot short. Fl. Jul.

● Lithophytic on rocks in forests. C and S Hainan, Yunnan.


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