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This genus is accepted, and its native range is W. & Central Malesia.

[A-EM]
General Description

Epiphytic herbs. Roots terete, not branching, glabrous, smooth or papillose (O. philippinensis Ames). Stem elongate, patentascending to erect, leafy, rooting at base, sparsely branching, the branches well above base in O. micrantha. Leaves conduplicate, articulate, distichous, linear, almost semi-terete, apex obtuse; leaf-sheaths finely ribbed or transversely wrinkled. Inflorescences lateral, solitary or in pairs, racemose, 1–6-flowered. Flowers resupinate or not, 0.3–0.6 cm wide, opening simultaneously, quaquaversal, sepals and petals green with maroon markings or greenish yellow, labellum yellowish green with brownish side lobes or white with violet markings. Sepals entire, free, obtuse or acute. Petals narrower than sepals. Labellum spurred, trilobed, rigidly attached to column; spur conical to cylindrical, bilobed at apex. Column foot absent; anther cucullate, short-rostrate, pollinia two, angular-ovoid, stipe about as long as pollinia, linear.

Distribution

Omoea is a genus of only two species—O. micrantha and O. philippinensis— collectively from Sumatra, Java, and the Philippines (Luzon).

Ecology

Both species are epiphytes in forests at 800–2000 m.

[A-EM]
Use

No uses have been reported for Omoea; it is rare in cultivation.

Native to:

Jawa, Philippines, Sumatera

Omoea Blume appears in other Kew resources:

First published in Bijdr. Fl. Ned. Ind.: 359 (1825)

Accepted by

  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2014). Genera Orchidacearum 6: 1-544. Oxford University Press, New York, Oxford.

Aeridinae: e-monocot.org
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0