different between rhamnaceae vs whitethorn

English

Wikispecies

white +? thorn

whitethorn (plural whitethorns)

Crataegus monogyna, a hawthorn species native to Europe, northwest Africa and western Asia.
Bursaria spinosa, a small Australian shrub.
Vachellia constricta, formerly Acacia constricta, whitethorn acacia, a shrub in the family Fabaceae.
Ceanothus leucodermis, chaparral whitethorn, a shrub in the family Rhamnaceae.

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