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LEAF HAIRS IN ENCELIA (ASTERACEAE)
Author(s) -
Ehleringer J. R.,
Cook C. S.
Publication year - 1987
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1987.tb12144.x
Subject(s) - biology , asteraceae , botany , reflectivity , multicellular organism , elongation , optics , cell , physics , genetics , materials science , ultimate tensile strength , metallurgy
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.