(pronounced: kly-soh-CEN-tron)


Vandeae subtribe Aeridinae

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Large monopodial ephipytes rooting at the base. Leaves alternate, distichous, terete to laminar, leathery. Inflorescences short axillary racemes. Flowers cupped. Sepals and petals subsimilar, subequal, free, spreading. Lip obscurely three-lobed, spurred, sessile, +/- front and backwall callus or thickening. Column short, without wings, +/- foot; pollinia 4, in two tightly appressed pairs, on a common linear stipe and viscidium.


From the Greek cleistos, meaning closed, and kentron, meaning spur, referring to the spur which is almost closed by the thickened walls.


A genus of four species ranging from Myanmar to Borneo.

Care and Culture Card

See basic growing conditions and care information below.


Christenson, E. A. 1992. An enigmatic blue. Amer. Orchid Soc. Bull. 61(3):242-243.