Leaf Morphology
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page 2 of 3
Curtis, Lersten, and Nowak 2002 rev. 2015
Cactus spines (
Cereus
).
Thorn development in
Crataegus
(hawthorn).
Honey locust (
Gleditsia triacanthos
) thorn.
Honey locust (
Gleditsia triacanthos
) thorn.
