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Anatomía foliar de Oritrophium (H.B.K) Cuatrec. del páramo de Sierra Nevada, Estación Loma Redonda

Author(s): Torres, Fresia | Gaviria, Juan Carlos | Peraza, Josefina

Journal: Plantula
ISSN 1316-1547

Volume: 1;
Issue: 1;
Start page: 65;
Date: 1996;
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Keywords: Seedlings | Woody Vines | Montane forest | Venezuela

A description of the leaf anatomy of two rosette plants that grow at 4.040 m, Oritrophium paramense and O. Peruvianum is dealt with. The common and differential features that enable them to adapt themselves to the Páramo enviroment where they are submited to conditions of intense radiation, low temperatures, physiological water stress and strong winds, are supplied. In O. peruvianum the presence of numerous fungi hyphes that intermix with the tricomes of the indumentum of the adaxial side is described and their probable function is suggested.
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