Secretory Cavities and Canals
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page 2 of 7
Curtis, Lersten, and Nowak 2002 rev. 2015
Capraria biflora
(goat weed) internal oil cavity (SEM).
Capraria biflora
(goat weed) internal secretory cavity (SEM).
Capraria biflora
(goat weed) oil cavity (SEM).
Capraria biflora
(goat weed) oil cavity in plastic section.
Conyza canadensis
(Canadian horseweed).
Stem cortex longisection in
Conyza canadensis
(Canadian horseweed).
Row of cavities from stem into leaf in
Conyza canadensis
(Canadian horseweed).
Stem cross section with cavities in
Conyza canadensis
(Canadian horseweed).
Stem cross section in
Conyza canadensis
(Canadian horseweed).
Row of cavities in midvein in
Conyza canadensis
(Canadian horseweed).
Row of cavities in midvein in
Conyza canadensis
(Canadian horseweed).
Immature leaf midvein in
Conyza canadensis
(Canadian horseweed).
Helianthus
(sunflower) root cross section with ducts.
Solidago canadensis
(Canadian goldenrod) leaves.
Diagram of
Solidago canadensis
(Canadian goldenrod) foliar oil reservoirs. Lersten and Curtis.
Nord. J. Bot.
9: 281-287.
Bud cross section demonstrating foliar oil reservoirs in
Solidago canadensis
(Canadian goldenrod).
Midrib cross section demonstrating foliar oil reservoirs in
Solidago canadensis
(Canadian goldenrod).
Second-order leaf vein demonstrating foliar oil reservoirs in
Solidago canadensis
(Canadian goldenrod).
Paradermal section showing minor leaf veins and demonstrating foliar oil reservoirs in
Solidago canadensis
(Canadian goldenrod).
Midrib cross section demonstrating foliar oil reservoirs in
Solidago canadensis
(Canadian goldenrod).
Freehand cross section showing midrib and demonstrating foliar oil reservoirs in live tissue of in
Solidago canadensis
(Canadian goldenrod).
Solidago canadensis
(Canadian goldenrod) leaf paradermal section.
