|Gesneria subsp. var.|
Gesneria is a genus of approximately 50 species in the flowering plant family Gesneriaceae. Except for two or three odd South American species, all are native to islands of the Caribbean. The genus is classified in the tribe Gesnerieae along with the genera Bellonia, Pheidonocarpa, and Rhytidophyllum. Gesneria species are usually woody shrubs or subshrubs, and (with the closely related Rhytidophyllum) are unusual in the family in having alternately (rather than decussately) arranged leaves. A complete list of the accepted species and their synonyms can be found in the Smithsonian Institution's World Checklist of Gesneriaceae.
|Standard Cyclopedia of Horticulture|
Gesneria (Conrad Gesner, Zurich, 1516-1565, celebrated naturalist, and considered to be the originator of the idea of genus in taxonomy). Gesneriaceae. Greenhouse and hothouse plants with showy tubular flowers. Sometimes written Gesnera.
Low perennials, sometimes shrubs, with simple, opposite lvs. and showy tubular fls. in terminal short panicles or fascicles: calyx campanulate, 5-parted; corolla long, straight or curved, more or less ventricose, the base often distinctly swollen or gibbous, the limb mostly shallow-toothed and nearly regular or bilabiate; stamens 4, didynamous (in pairs under the upper lip); style 1, long; glands on the disk in the fl.—Species upward of 40. in the American tropics. Often tuberous plants; allied to Achimenes, Gloxinia, Isoloma and Streptocarpus. Some of the gesnerias of the trade belong to Niegelia, which differs, amongst other things, in having an annular or ringed disk rather than a disk of distinct glands. There is considerable variation of opinion as to the limits of Gesneria. In this account, the genus is held to include Pentarhaphia, Duchartrea, Codonoraphia, Conradia, Ophianthe, Synanthera. The plants of this group are probably considerably modified by crossing and breeding. The catalogue name G. hybrida probably covers some of these forms.
G. amabilis, Hort.(syn. Naegelia).—G. cinnabarina, Lind. (syn. Naegelia). —G. guatemalensis, Hort., "a free grower and bloomer, fls. orange," was once offered.—G. jasminiflora, Hort., "fls. of the purest white, freely produced, beautiful," once offered.—G. oblonga, Hort., fls. orange.—G. oblongata, Hort., is probably the same and is very likely an Isoloma.-G. reginae, Hort. Exhibited abroad: lvs. green and velvety, the midrib and main veins white: fls. bluish purple.— G. robusta, Hort.. "vermilion, beautifully spotted and tigered." —G. seemannii, Hook. (syn. Isolomu).—G. zeorina, Paxt. (syn. Naegelia). CH
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Pests and diseases
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- Selected species
- Gesneria acaulis
- Gesneria christii
- Gesneria citrina
- Gesneria cuneifolia
- Gesneria humilis
- Gesneria pauciflora
- Gesneria pedicellaris
- Gesneria pedunculosa
- Gesneria reticulata
- Gesneria ventricosa
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
- w:Gesneria. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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