Common Name:
JAPANESE BARBERRY
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Coefficient of Conservatism:
*
Coefficient of Wetness:
3
Wetness Index:
FACU
Physiognomy:
Ad Shrub
A. A. Reznicek
fruits up close
A native of Asia, widely cultivated, especially for hedges, and occasionally escaping into forests, swamps, fields, and dunes. First collected in 1909 in St. Clair Co.
Doubtless dispersed largely by birds that eat the bright red fruit; may become quite well established, even invasive in some woodland settings.
A few vegetative collections have 3-forked rather than simple spines at the nodes, with larger leaves than expected in B. thunbergii, and are probably B. ×ottawensis C. K. Schneid., a hybrid with B. vulgaris.