Resin Glands
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Curtis, Lersten, and Nowak 2002 rev. 2015
Salix lucida
(shining willow) leaf margin resin glands with resin strands.
Salix lucida
(shining willow) stipule with resin glands and resin strings.
Salix lucida
(shining willow) leaf blade base with resin glands.
Salix lucida
(shining willow) leaf blade base closeup with clustered resin glands.
Salix lucida
(shining willow) resin gland secreting resin strands.
Salix cordata
(dune willow) leaf clearing showing resin glands.
Salix cordata
(dune willow) leaf clearing showing resin gland.
Populus deltoides
(cottonwood) stem with stipules secreting resin.
Populus deltoides
(cottonwood) adaxial surface of live stipule with fresh resin.
Populus deltoides
(cottonwood) stipule adaxial surface with resin removed.
Populus deltoides
(cottonwood) stipule cross section.
Populus deltoides
(cottonwood) stipule cross section closeup with adaxial palisade-like resin-secreting surface.
Populus deltoides
(cottonwood) leaf clearing showing margin resin gland (and hydathode).
Populus deltoides
(cottonwood) leaf margin resin gland (and hydathode).
Populus deltoides
(cottonwood) leaf margin resin gland paradermal section.
Prunus pensylvanica
(pin cherry) leaf margin with resin glands.
Prunus pensylvanica
(pin cherry) leaf margin with resin glands.
Prunus pensylvanica
(pin cherry) leaf margin with resin glands.
Prunus pensylvanica
(pin cherry) leaf margin resin gland sectioned to show palisade-like secretory structures.
Grindelia squarrosa
(gumweed) leaves and stem with resin glands.
Leaf clearing of
Grindelia squarrosa
(gumweed) leaf with resin glands.
Live
Grindelia squarrosa
(gumweed) leaf resin gland under phase contrast.
Grindelia squarrosa
(gumweed) resin glands (SEM).
Grindelia squarrosa
(gumweed) resin glands closeup (SEM).
