Lignified sieve elements in the wheat leaf.
Sieve elements with thick, lignified walls are identified in the longitudinal bundles of the wheat leaf and appear to be functional. They are also present in several festucoid grasses but appear to be absent from the panicoid grasses examined.
Botany Department, Monash University, 3168, Clayton, Victoria, Australia.
J
J
Kuo
T P
TP
O'Brien