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

12. Phalaenopsis equestris (Schauer) H. G. Reichenbach, Linnaea. 22: 864. 1849.

小兰屿蝴蝶兰 xiao lan yu hu die lan

Stauroglottis equestris Schauer, Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1): 432. 1843; Phalaenopsis riteiwanensis Masamune.

Stems very short, 3- or 4-leaved. Leaves linear-ligulate or narrowly oblong, 10-24 × 3-5 cm, base cuneate, apex obtuse or unequally bilobed. Inflorescence to 30 cm, unbranched or sometimes branched, laxly many flowered; rachis dark purple, flexuous; floral bracts 2-4 mm. Flowers ca. 2 cm in diam., variable in color, typically sepals and petals white or pale pink with a central pink suffusion, lip rose or red, callus white or yellow, sometimes spotted rose or red, column rose, anther cap white; pedicel and ovary slender, 2-2.5 cm. Dorsal sepal oblong, 11-14 × 5-7 mm, acute; lateral sepals falcate-ovate, 10-14 × 6-7 mm. Petals oblong-obovate or rhombic, 10-12 × 4-7 mm, base contracted and adnate to column foot, apex acute; lip base with a claw ca. 1.5 mm, lip 3-lobed; lateral lobes erect-incurved, oblong-oblanceolate, 5-6.5 × 2-3 mm, rounded; mid-lobe spreading horizontally, ovate-elliptic, 9-11 × 7-8 mm, acute; callus solitary, peltate, quadrangular with a truncate apex. Column 6-9 mm, slender, foot ca. 3 mm; stipe ca. 3 mm; viscidium ovate-lanceolate, ca. 1 mm. Fl. Apr-May. 2n = 38.

S Taiwan [Philippines].


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