Deiregyne
(pronounced: day-reh-GYE-nee)
Classification
Cranichideae subtribe Spiranthinae
Overview
Terrestrials with fleshy, villose, fasciculate roots. Leaves rosulate, linear-oblanceolate, petiolate, thin-textured. Inflorescences terminal pedunculate spicate racemes, the bracts and floral bracts conspicuous. Flowers tubular, white to greenish-white. Sepals and petals free, the petals appressed tothe dorsal sepal. Lip unlobed, clawed, subauriculate. Column slender, without wings or foot, the rostellum elongate; pollinia 2, on a common viscidium.
Etymology
From the Greek deire, meaning neck, and gyne, meaning pistil, referring to the elongate neck on the ovary.
Distribution
A genus of seven species from Mexico and northern Central America.
Care and Culture Card
See basic growing conditions and care information below.
Grow plants of Deiregyne in pots of very sandy loam. Provide cool-intermediate temperatures, full light, and regular watering during after growth. After flowering the plants experience a pronounced rest period during which the plants should be kept cool and watering should be minimal until the emergence of new growth.
Literature
Burns-Balogh, P. 1988. Monografia del genero Deiregyne Schlechter (Orchidaceae). Orquidea (Mex.) 11:131-201. Catling, P. M. 1989. On the lectotypification of the genus Deiregyne. Lindleyana 4(4):184-191. Gonzalez Tamayo, R. and D. L. Szlachetko 1995. Gracielanthus, a new genus of Spiranthinae (Orchidaceae) from Mexico and Central America. Fragm. Flor. Geobot. 40(2):759-765.
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