Dorstenia
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Standard Cyclopedia of Horticulture |
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Dorstenia (Theodor Dorsten, professor of medicine at Marburg, died 1539). Moraceae,. About 50 tropical herbs or small shrubs, remarkable for the dilated receptacle in which the unisexual fls. are borne, being imbedded in the surface. Both staminate and pistillate fls. are without perianth; stamens 1-4; ovary 1-loculed; stigma 2-lobed. Dorstenias are easily grown in warm shady glasshouses. The plants are not in the American trade, but they are often grown in botanical establishments to illustrate morphology. The fig is a hollow receptacle formed of the axis of the fl.-cluster; the dorstenia bears a flattened or cup-like receptacle, and is an intermediate stage between the fig and other plants. One of the common species is D. Contrajerva, Linn. (Fig. 1343), which is native to Trop. Amer.: fls. on a scape: lvs. round-cordate, palmately lobed or parted, the segms. ovate or oblong and more or less toothed: receptacle irregularly rectangular, peltate: rhizome cylindric, nodose. Mex., W. Indies, Venezuela, Colombia. L. H. B. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Dorstenia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Dorstenia QR Code (Size 50, 100, 200, 500)