Odontadenia
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Read about Odontadenia in the Standard Cyclopedia of Horticulture
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Odontadenia (Greek, toothed glands). Apocynaceae. Here belongs the tropical yellow-flowered climber sold as Dipladenia Harrisii. which rivals in beauty the well-known greenhouse allamandas. Tall shrubby climbers or lianas: Lvs. opposite: cymes loose, usually ample, rarely few-fid, and scarcely branched; calyx 5-parted, the lobes remarkably blunt or rounded; corolla-lobes twisted in the pointed bud, overlapping to the right and twisted to the left; stamens fixed at the top of the narrow part of the tube: fls. yellow, whereas those of Dipladenia are yellow only in throat if at all. The genus is further distinguished from Dipladenia by the shape of the calyx-lobes and by the cup-shaped group of toothed glands below the pistil.— Species 20-25, Trop. S. Amer. and Cent. Amer. O. nitida, Muell. Ate. (O. cordata, A. DC.) from Trop. S. Amer.. is a twining glabrous shrub with yellow corolla bearing a band of vermilion below the middle of the narrow tube: Lvs. oblong or elliptic, 4-6 in. long: fla. nodding on axillary pedicels, the tube narrow and constricted at the colored part, the 5 lobes broad-ovate and acute. It is referred to the genus Angadenia in B.M. 8233 (A. nitida, Miers), and is probably best understood when thus separated.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Odontadenia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Odontadenia QR Code (Size 50, 100, 200, 500)