(pronounced: oh-ee-OH-nee-ah)


Vandeae subtribe Angraecinae

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Vining monopodial epiphytes, often hemiepiphytic with the base of the stems initially terrestrial. Stems elongate, leafy, rooting at the nodes. Leaves alternate, distichous, leathery. Inflorescences axillary racemes, the floral bracts insigificant. Flowers showy. Sepals and petal free, spreading, subsimilar, subequal. Lip three-lobed, the midlobe variously lobulate, with a short spur. Column short, without wings or a foot; pollinia 2, each sessile on a distinct viscidium.


From the Greek oinos, a bird of prey.


A genus of four species endemic to Madagascar and the Mascarene Islands.

Care and Culture Card

See basic growing conditions and care information below.


Bosser, J. 1989[1990]. Contribution à l’étude des Orchidaceae de Madagascar et des Mascareignes, XXVI. Adansonia, sér. 4, 11:369-382.

Hermans, J. and C. Hermans 1997. Oeonia. Orchids 66(10):1050-1054.