Acineta, abbreviated as Acn in horticultural trade, is a small genus belonging to the orchid family (Orchidaceae).
These epiphytic orchids occur in tropical mountainous forests from Mexico to western South America, at altitudes up to 2,000 m. They are sometimes lithophytic when found on steep embankments.
The large, plicate leaves are parallel-nerved and resemble those of Peristeria and Lycaste, while the structure of the flowers bears a closer resemblance to Stanhopea.
The species produce a pendent inflorescence, bearing racemes of many fragrant cup-shaped, pale yellow to reddish brown flowers. The sidelobes of the labellum (lip) come together in a central callus. The basal part of the lip (hypochile) is at least as long as the sidelobes. The column is pubescent. The column of these orchids bears two pollinia, except in Acineta dalessandroi, which has four (making its classification in this genus doubtful). These orchids are insect pollinated by male bees in the genus Eulaema or Eufriesia.
Plants are usually grown in wooden baskets in partial shade. Use a well drain potting media such as medium fir bark with perlite, tree fern fibers, or sphagnum moss. Keep area humid and grow in cool to warm temperatures. Keep mix moist but not dry.
The name is derived from the Greek word 'akinetos' (immobile), referring to the rigid labellum (lip).
- Neippergia C. Morren 1849
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- Günter Gerlach 2001. "Die Subtribus Stanhopeinae: 3. Horichia bis Lacaena," in: J. Orchideenfreund 8(2): 105-118 (2001) - col. illus.
- Acineta Orchids