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Journal Article

Leaf Hairs in Encelia (Asteraceae)

J. R. Ehleringer and C. S. Cook
American Journal of Botany
Vol. 74, No. 10 (Oct., 1987), pp. 1532-1540
Stable URL: http://www.jstor.org/stable/2444047
Page Count: 9
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Leaf Hairs in Encelia (Asteraceae)
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Abstract

Four different kinds of leaf hairs occur in Encelia species. These are unicellular-based and multicellular-based uniseriate hairs, moniliform hairs, and biseriate glandular hairs. The unicellular-based uniseriate hairs appear responsible for increased leaf spectral reflectance by species within the genus. In particular, it appears that elongation of the distal cell of the uniseriate hair is necessary for increased leaf reflectance.

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