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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
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2444047
Page Count: 9
You can always find the topics here!Topics: Hair, Plant cells, Cells, Trichomes, Biological taxonomies, Leaves, Radians, Spectral reflectance, Dehydration, Absorptance
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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.
American Journal of Botany © 1987 Botanical Society of America, Inc.