A N F Keys
1 Leaves with mostly 3−5 leaflets (1−5), petioles 5−9 mm long, blades of leaflets 10−16 mm wide and glaucous grayish green; inflorescence a raceme with 3−8 flowers .. Berberis nevinii [pics]
1' Leaves with mostly 7−9 leaflets (3−9), petioles 10−50 mm long, blades of leaflets typically 20−50 mm wide and dark green, not glaucous; inflorescence a dense panicle of racemes, each raceme with 15−20+ flowers .. Berberis pinnata subsp. pinnata [pics]
The text of the above keys used with permission from
A Naturalist's Flora of the Santa Monica Mountains and Simi Hills, California
© Copyright
Barry A. Prigge and Arthur C. Gibson
2013