whitethorn

noun5

1. •
   Crataegus monogyna, a hawthorn species native to Europe, northwest Africa and western Asia.
2. •
   Bursaria spinosa, a small Australian shrub.
3. •
   Vachellia constricta, formerly Acacia constricta, whitethorn acacia, a shrub in the family Fabaceae.
4. •
   Senegalia polyacantha, of India
5. •
   Ceanothus leucodermis, chaparral whitethorn, a shrub in the family Rhamnaceae.