Secretory Cavities and Canals
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Curtis, Lersten, and Nowak 2002 rev. 2015
Hypericum perforatum
(common St. John's-wort).
Hypericum perforatum
(common St. John's-wort) flower.
Hypericum perforatum
(common St. John's-wort) petal cavity.
Hypericum perforatum
(common St. John's-wort) leaf.
Hypericum perforatum
(common St. John's-wort) foliar cavity.
Hypericum perforatum
(common St. John's-wort) foliar nodule.
Hypericum perforatum
(common St. John's-wort) foliar cavity.
Hypericum perforatum
(common St. John's-wort) nodule (SEM).
Hypericum perforatum
(common St. John's-wort) duct end (SEM).
Eucalyptus
leaf cross section with cavity.
Eucalyptus
leaf paradermal section with oil cavities.
Cavity in citrus leaf clearing.
Cavity closeup in citrus leaf clearing.
Rhus glabra
(smooth sumac) midvein cross section with secretory duct.
Rhus
(sumac) leaf secondary vein with duct.
Persicaria glabra
(dense-flower knotweed) leaf adaxial surface (SEM).
Persicaria glabra
(dense-flower knotweed) leaf adaxial surface (SEM).
Persicaria glabra
(dense-flower knotweed) leaf torn to show multiple epithelial cells (SEM).
Persicaria glabra
(dense-flower knotweed) leaf with epidermal cavity (SEM).
Persicaria glabra
(dense-flower knotweed) leaf cross section with epidermal cavity on lower surface (SEM).
Persicaria hydropiper
(water pepper) leaf surface with secreted material above oil cavity (SEM).
Persicaria hydropiper
(water pepper) leaf abaxial surface (SEM).
Persicaria hydropiper
(water-pepper) leaf with surface torn to expose the four epithelial cells around an epidermal cavity (SEM).
Persicaria hydropiper
(water-pepper) leaf with surface torn to expose four epithelial cells (SEM).
