Paphiopedilum concolor - Yellow Slipper Orchid

Yellow Slipper Orchid is a medium-sized, terrestrial or rock-dwelling orchid with 4-6, distichous, elliptic-oblong, dark green with pale green tessalation and spotted purple beneath, unequally bilobed apically leaves. The plant blooms in the spring and late summer on a single flowered, occasionally 2 to 3, erect, up to 10 cm long, at branch-ends, velvet-hairy, dark brown inflorescence that is heavily spotted with purple and has an ovate bract carrying the pleasingly fragrant flower scented of apples, held above the leaves. Flowers are scented, 5-7 cm in diameter, usually yellowish to ivory-white, finely spotted with purple or brown-purple throughout. Dorsal sepal is broadly ovate, 2.5-4.2 x 2.4-4.4 cm, below slightly finely velvet-hairy on midvein, fringed with hairs, tip blunt to flat; synsepal similar to dorsal sepal, slightly smaller. Petals are obliquely elliptic to rhombic-elliptic, 3-5 x 1.8-3.1 cm, rounded at tip. Lip is ellipsoid to ovoid, 3.5-4.5 cm; pouch 2.2-3 x 1.4-1.7 cm, apical margin incurved. Staminode is ovate to ovate-triangular, 10-12 x 8-11 mm. Yellow Slipper Orchid is found in Cambodia, Laos, Myanmar, Thailand, Vietnam, China, at altitudes of 300-1400 m. Flowering: May-August.