| Family | RHAMNACEAE |
| Genus species | Ceanothus integerrimus Hook. & Arn. |
| Bibliography | Bot. Beechey Voy.: 329 (1838) |
| Native Range | w. USA to New Mexico |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 20-2600m |
| Description | leaves alternate, thin, entire, 15-60mm, oblong to ovate, glabrous or abaxially pubescent, flowers in panicles, apically on young shoots |
| Size | 100-200cm |
| Color | blue, white |
| Bloom | late spring, summer |
| Ca | |
| Type | shrub |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in spring after hot water treatment, germ. 3-6 months, cuttings in late summer; layering in spring |
| Synonyms | Ceanothus andersonii Parry Ceanothus californicus Kellogg Ceanothus integerrimus var. californicus (Kellogg) G.T.Benson Ceanothus integerrimus var. macrothyrsus (Torr.) G.T.Benson Ceanothus integerrimus var. mogollonicus (Greene) McMinn Ceanothus integerrimus var. parviflorus S.Watson Ceanothus integerrimus var. peduncularis Jeps. Ceanothus integerrimus var. puberulus (Greene) Abrams Ceanothus macrothyrsus Greene Ceanothus mogollonicus Greene Ceanothus myrianthus Greene Ceanothus nevadensis Kellogg Ceanothus peduncularis Greene Ceanothus puberulus Greene Ceanothus thyrsiflorus var. macrothyrsus Torr. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon, WAS Washington) 76 Southwestern U.S.A. (ARI Arizona, CAL California) 77 South-Central U.S.A. (NWM New Mexico) |