Wildflowers of Southern Arizona
Deerbrush.
Ceanothus integerrimus.
Buckthorn (Rhamnaceae) family.
PLANT: Shrubs, unarmed, 1 to 3 m tall. STEMS: erect, green-brown to gray at maturity. LEAVES: alternate, deciduous; petioles 1-2 cm long; blades broadly elliptic to ovate or oblong, 2-8 cm long, 1-5 cm wide, dark green above, light green below, often pubescent; margins entire. INFLORESCENCE: of axillary clusters, 3-15 flowers per cluster, usually exceeding the leaves. FLOWERS: white to dark blue. FRUITS: 3-5 mm wide.
Santa Catalina Mountains.
Location: Oracle Ridge Trail .5 mi from trailhead.
8/20/16
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