External Secretory Structures
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Curtis, Lersten, and Nowak 2002 rev. 2015
Adina
(Rubiaceae) bud showing colleters.
Shoot apex and surrounding colleters.
Psychotria
(Rubiaceae) dendroid colleter.
Psychotria
(Rubiaceae) dendroid colleter.
Ixora
(Rubiaceae) colleters.
Colleter longisection.
Rhizophora
(mangrove) colleter sectioned longitudinally.
Pin oak (
Quercus palustris
) glandular trichomes and a dendroid trichome.
Tobacco (
Nicotiana
) trichomes.
Tobacco (
Nicotiana
) trichome.
Tomato (
Solanum lycopersicum
) oil trichome.
Tomato (
Solanum lycopersicum
) oil trichome.
Snapdragon (
Antirrhinum
) trichome (from corolla).
Midrib trichomes of scented geranium (
Pelargonium
)(SEM).
Oil trichomes of scented geranium (
Pelargonium
)(SEM).
Coleus (
Plectranthus
or
Solenostemon
) stem cross section with oil trichomes.
Coleus (
Plectranthus
or
Solenostemon
) stem cross section with oil trichome.
Coleus (
Plectranthus
or
Solenostemon
) stem cross section with immature oil trichomes.
Swedish ivy (
Plectranthus verticillatus
) oil trichome.
Swedish ivy (
Plectranthus verticillatus
) glandular trichome.
Swedish ivy (
Plectranthus verticillatus
) glandular trichome.
Stenodrepanum bergii
(South American endemic legume) leaf glands. Lersten and Curtis 1996.
Pl. Syst. Evol.
200: 21-39.