hydathode


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

hydathode

a gland occurring on the leaf edges of many plants and secreting water. see GUTTATION.
Mentioned in ?
References in periodicals archive ?
Of course, the efficiency of this method is low, because the hydathode is always open but aperture diameter in comparison stomata is so less.
guttation The slow exudation of liquid water from the hydathodes of a leaf.
culminating into exudation from hydathodes in liquid form as guttation.
Venation free, veins visible, regularly bifurcate at similar distances from the costa, ending in large hydathodes.
The section Elapohglossum is the larger group of the genus with approximately 75% of the species, and is characterized by hydathodes absent, phyllopodia present, medium size blade, and stellate blade scales; the subsection Pachyglossa is characterized by subcoriaceous to coriaceous blade and minute and stellate blade scales (vs.
Salt glands in grasses were first mentioned as such in the halophytic genus Spartina (Skelding & Winterbotham, 1939), but they had been previously described as hydathodes that secreted salt by Sutherland and Eastwood (1916).
The section Hybrida is characterized by subulate and unrolled blade scales and hydathodes absent, and the subsection Hybrida is characterized principally by blackish blade scales (or absent) and present on costa and blade margin.
Equisetum species, like many other plants, have hydathodes (Johnson, 1936).
50-60[degrees] angle from costa; hydathodes present; fertile fronds 8-14 cm; stipes 2/3-4/5 of the frond length; fertile blades 2-4 x 0.
excised leaves showed brown coloration in the hydathodes at 226