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

9. Phalaenopsis mannii H. G. Reichenbach, Gard. Chron. 1871: 902. 1871.

版纳蝴蝶兰 ban na hu die lan

Polychilos mannii (H. G. Reichenbach) Shim.

Stems stout, 1.5-7 cm, rooting from nodes, 4- or 5-leaved. Leaves oblong-oblanceolate, 20-23 × 5-6 cm, base cuneate, apex acute. Inflorescences 1 or 2, ascending or pendulous, 5.5-30 cm, unbranched or sometimes branched, sparsely few to many flowered; floral bracts lanceolate, 6-10 mm. Flowers opening widely, long-lasting, thickly textured, waxy, glossy, sepals and petals yellow with dark brown spots and bars, lip mid-lobe white, column yellow; pedicel and ovary 2-3 cm. Dorsal sepal obovate-lanceolate, 15-18 × 5-7 mm, acute; lateral sepals obliquely ovate-elliptic, 15-18 × 7-9 mm, acute. Petals suboblong, 13-15 × 4-5 mm, acute; lip ca. 1 cm, base with a claw ca. 1 mm, 3-lobed; lateral lobes erect, appressed, oblong-subquadrate, ca. 4 × 2 mm, obliquely truncate; mid-lobe transverse, anchor-shaped, margin fimbriate-erose, apex a swollen knob with sparse trichomes; callus triseriate: posterior callus a small glandular patch, middle callus a bifid plate with long filiform divisions, anterior callus an erect, bilaterally compressed tooth. Column ca. 8 mm, with prominent basal knees, foot ca. 4 mm. Fl. Mar-Apr. 2n = 38.

Epiphytic on tree trunks in broad-leaved evergreen forests; 900-1400 m. S Yunnan [Bhutan, NE India, Myanmar, Nepal, Vietnam].


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