Botanical name: Papilionanthe uniflora Family: Orchidaceae (Orchid family)
Synonyms: Aerides uniflora, Luisia uniflora, Mesoclastes uniflora
Single-Flowered Butterfly Orchid is a large sized, terrestrial orchid with a branched stem enveloped by leaf bearing sheaths carrying erect, round, weakly curved, pointed, jointed leaves. Leaves are round in cross-section, 6-17 cm x 0.2-0.4 cm, tapering. The plant blooms in the summer and fall on an in leaf-axils, basally sheathed, successively single, several flowered inflorescence with an ovate floral bract. Flowers are white, scented. Dorsal sepal is about 2.4 x 1.1 cm. Lateral sepals are about 2.4 x 1.1 cm, mentum purplish white, about 1.2 cm long. Ovary is about 4.2 cm long, ridged, green at base, dark purple at tip. Petals are twisted, about 2.4 x 2 cm, spur about 1.7 cm long, purplish violet at tip, Column is about 4 mm across, foot about 6 mm long. Single-Flowered Butterfly Orchid is found in West Bengal, Sikkim, Assam, Meghalaya, Nagaland, Arunachal Pradesh, Manipur, Bhutan, Nepal, at altitudes of 1600 to 2400 m.
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The flower labeled Single-Flowered Butterfly Orchid is ...