NATIVEHabit: Plant < 7 m, occasionally tree-like.
Stem: generally erect; twigs flexible, not thorn-like, brown.
Leaf: alternate, evergreen; stipules scale-like; petiole 10--25 mm; blade 25--80 mm, 20--40 mm wide, widely ovate to elliptic, thick, leathery, adaxially dark green, generally glabrous, abaxially pale green, generally short-tomentose, veins +- obscured by hairs, occasionally +- glabrous, margin serrate, teeth 35--65, generally gland-tipped.
Inflorescence: raceme- to panicle-like, 5--8 cm.
Flower: generally blue.
Fruit: 5--8 mm wide, +- sticky, +- 3-ridged, black; horns 0.
Ecology: Slopes, chaparral, oak woodland;
Elevation: 60--580 m.
Bioregional Distribution: ChI;
Distribution Outside California: Baja California (Guadalupe Island).
Flowering Time: Feb--May
Synonyms: Ceanothus arboreus var. arboreus; Ceanothus arboreus var. glaber Jeps.; Ceanothus arboreus var. glabra Jeps., superfl.
Jepson eFlora Author: Dylan O. Burge & Dieter H. Wilken
Reference: Fross & Wilken 2006
Ceanothus. Timber Press; Burge et al. 2015 Syst Bot 40:950--961.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
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