Ceanothus spinosus T. Nuttall var. palmeri (W. Trelease) W. L. Jepson
Stems: ascending to erect, not rooting at nodes; twigs gray-green, round, smooth, glabrous, flexible.
Leaves: usually evergreen, alternate; not clustered; stipules thin, deciduous; petioles to 8 mm; blades elliptic, oblong to oblong-ovate, 1.3--4.0 cm x 0.9--1.6 cm, bases cuneate,+/- 1-veined, juvenile blades 3-veined, margins not revolute, entire, tips rounded to notched, abaxially pale green, glabrous, sometimes +/- hairy on midribs, adaxially green, glabrous, plane.
Inflorescences: terminal or axillary, panicle-like to panicle-like, 7.5--13.0 cm.
Fruits: prominently 3-lobed, 5--7 mm broad, smooth, horns 0; valves glandular-crested.
Flowering: in early summer (May -June).
Habitat: dry slopes, chaparral, yellow pine forest; 1200-1800 m.
Range: Calif. (SnJt, PR,); Mexico in n. Baja California. View Distribution Map.
If you have any comments or information regarding this species, please send mail to Dr. Schmidt.