Odontadenia

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Odontadenia >


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Read about Odontadenia in the Standard Cyclopedia of Horticulture 

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.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


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