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Rhamnaceae
Rhamnaceae image
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CANOTIA 2(1)
PLANT: Shrubs or small trees, unarmed or armed, with perfect flowers or less often monoecious. LEAVES: alternate, subopposite or opposite, solitary or fascicled, simple, deciduous or evergreen; stipules present; bud scales present or absent. INFLORESCENCE: of terminal or axillary cymose clusters. FLOWERS: actinomorphic, perfect or imperfect; sepals 4-5, triangular, deciduous or persistent (in Colubrina californica); petals (0-) 4-5, free, usually concave or hooded, clawed; stamens 4-5, in 1 whorl, opposite the petals and often enshrouded by them; filaments adnate to petals; nectar-disc well-developed; ovary superior or partially inferior, of 2-3 united carpels; placentation basal; style entire, lobed, or deeply cleft; ovules basal, 1 or 2 per locule. FRUITS: capsules or drupes with 1-3 stones, these 1(-2)-seeded. SEEDS: sometimes with a dorsal groove. NOTES: Ca. 50 genera, 875 spp., cosmopolitan but mainly tropical and subtropical. Rhamnus catharticus L. has been used as a potent purgative. Some AZ species are used medicinally by Southwestern Native Americans (Moerman 1998). REFERENCES: Christie, Kyle, Michael Currie, Laura Smith Davis, Mar-Elise Hill, Suzanne Neal, and Tina Ayers.2006. Vascular Plants of Arizona: Rhamnaceae. CANOTIA 2(1): 23-46.
Species within checklist: Arizona
Adolphia infesta
Image of Adolphia infesta
Ceanothus fendleri
Image of Ceanothus fendleri
Ceanothus greggii
Image of Ceanothus greggii
Ceanothus integerrimus
Image of Ceanothus integerrimus
Ceanothus martinii
Image of Ceanothus martinii
Colubrina californica
Image of Colubrina californica
Condalia correllii
Image of Condalia correllii
Condalia ericoides
Image of Condalia ericoides
Condalia globosa
Image of Condalia globosa
Condalia mexicana
Image of Condalia mexicana
Condalia spathulata
Image of Condalia spathulata
Condalia warnockii
Image of Condalia warnockii
Frangula betulifolia
Image of Frangula betulifolia
Frangula californica
Image of Frangula californica
Frangula x blumeri
Image of Frangula x blumeri
Rhamnus crocea
Image of Rhamnus crocea
Rhamnus ilicifolia
Image of Rhamnus ilicifolia
Rhamnus serrata
Image of Rhamnus serrata
Sageretia wrightii
Image of Sageretia wrightii
Ziziphus obtusifolia
Image of Ziziphus obtusifolia
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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