Abstract
At least 34 species of the genus Uncaria (tribe Cinchonea, subtribe Mitragyninae Havil, family Rubiaceae) are widely distributed in Africa, tropical America, tropical and subtropical Asia (Ridsdale 1978). About 14 species have been reported in Malaysia. Uncaria species are characterized by the presence of hooks on the nodes lying opposite leaves with interpetiolar stipules and a head-shaped inflorescence. It is a woody climber the stems of which are square-shaped, bearing ovate leaves with five to seven lateral veins. The midribs are typically pubescent with long straight hairs, although sometimes only finely pubescent with glabrous laminae.
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© 1993 Springer-Verlag Berlin Heidelberg
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Das, N.P., Law, K.H. (1993). Uncaria elliptica: In Vitro Culture and the Production of Epicatechin and Rutin. In: Bajaj, Y.P.S. (eds) Medicinal and Aromatic Plants IV. Biotechnology in Agriculture and Forestry, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77004-3_28
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DOI: https://doi.org/10.1007/978-3-642-77004-3_28
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