Koellensteinia
(pronounced: kehl-en-STYE-nee-ah)
Classification
Maxillarieae subtribe Zygopetalinae
Overview
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.
Distribution
A genus of about 16 species from throughout South America.
Care and Culture Card
See basic growing conditions and care information below.
Grow plants of K. graminea in small pots with a medium grade epiphyte mixture. All other species should be grown in large pots of a sandy terrestrial mixture. Provide bright light, intermediate temperatrues, and steady watering throughout the growing season.
Literature
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.
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