Ceanothus purpureus

W. L. Jepson, Fl. w. Calif. 258. 1901

holly-leaf ceanothus

Ceanothus jepsonii E. L. Green var. purpureus W. L. Jepson


Habit: Shrubs to 2.0 m.

Stems: ascending to erect, not rooting at nodes; twigs red-brown, with whitish bloom or not, round, smooth, glabrous, rigid.

Leaves: evergreen, opposite; not clustered; stipules thickened, persistent; petioles to 2 mm; blades widely elliptic to +/- round, 1.3--2.5 x 1.0--2.2 cm, bases rounded, 1-veined, margins not revolute, spine-toothed, undulate, holly-like , tips obtuse, abaxially hairy on veins, microscopically canescent between, adaxially, glabrous, green, +/- troughed.

Inflorescences: axillary, umbel-like, 1.8--2.8 cm.

Flowers: deep blue to purple.

Fruits: globose, +/- 5 mm broad, smooth, horns slender, near apex; valve crests 0.

Cytology: 2n = 24. (M. Nobs, 1963)

Flowering: in early to late spring

Habitat: dry, chaparral-covered, rocky, volcanic slopes; below 500 m

Range: Calif. [NCoRI, Napa Co.] View Distribution Map.

Other Information:

California Native Plant Society List: 4 R-E-D Code: 1-1-3; State/Fed. Status CEQA [M. W. Skinner and B. M. Pavlik 1994] C.purpureus apparently is closely related to C. confusus and C. divergens.

This complex is in need of study.

If you have any comments or information regarding this species, please send mail to Dr. Schmidt.

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This document was last updated: Sunday, 03-Mar-1996 22:44:41 PST