(pronounced: kehl-en-STYE-nee-ah)


Maxillarieae subtribe Zygopetalinae

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Terrestrials or rarely epiphytes. Pseudobulbs cormose or absent. Leaves few, usually lanceolate. Inflorescences racemes, usually erect, long-scapose, densely-flowered, the floral bracts insignificant. Flowers cupped, often fragrant, white to yellow, usually marked with purple. Sepals and petals free, spreading, subsimilar, subequal. Lip three-lobed, the lateral lobes erect, the midlobe transverse, the callus fleshy, basal, erect. Column stout, lightly arching, +/- broadly winged at the apex, the clinandrium +/- hooded’ pollinia 4; sessile on a common viscidium.


A genus of about 16 species from throughout South America.

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Gomes-Ferreira, A. B. and L. C. Menezes 1997. Koellensteinia spiralis Gomes-Ferreira et L. C. Menezes, eine neue Art aus Brasilien. Die Orchidee 48(6):257-258.

Pabst, G. F. J. 1964. Ocorrência do gênero Koellensteinia Rchb.f. (Orchidaceae) na Costa Oriental do Brasil. Orquidea 26:9-12.

Quieroz, L. P. de 1987. Nova espécie de Koellensteinia Rchb.f. (Orchidaceae) da Bahia. Revta. Brasil. Bot. 10(1):21-24.