Dendrobium rotundatum - Rounded Dendrobium

Rounded Dendrobium is a small sized orchid growing on trees and rocks, with 4-10 cm between each ovoid pseudobulb. Flowers are yellowish brown; flower-stalk and ovary about 2 cm. Dorsal sepal is ovate-lanceshaped, 2.2-3.2 cm x about 7 mm, pointed. Lateral sepals are lanceshaped, 2.2-3.5 x 0.8-1.0 cm. Petals are oblong-lanceshaped, about 2.3 cm x 5-6 mm, tapering; lip obovate-oblong in outline, about 2 cm, 3-lobed; lateral lobes subovate; mid-lobe about 1.1 cm wide, above with a triangular thickened keel, margin thin, wavy, somewhat kidney-shaped to obscurely bilobed, notched; disk with 3 lamellae, median much shorter. Column about 1 cm, foot about 1 cm. The plant carries 2 apical, oblong-ellliptic, notched leaves. It blooms in the spring on a single flowered inflorescence with a lanceshaped, somewhat pointed, membraneous floral bract, nearly as long as the ovary. Rounded Dendrobium is found in eastern Himalayas, Assam, Nepal, Myanmar and China on trees and shaded rocks at elevations of 1300 to 2400 m. Flowering: March-May.