Difference between revisions of "Ceanothus arboreus"
Bull. Calif. Acad. Sci. 2: 144. 1886.
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|name=Ceanothus arboreus var. glaber | |name=Ceanothus arboreus var. glaber | ||
|authority=Jepson | |authority=Jepson | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Rhamnaceae;Ceanothus;Ceanothus subg. Ceanothus;Ceanothus arboreus | |hierarchy=Rhamnaceae;Ceanothus;Ceanothus subg. Ceanothus;Ceanothus arboreus | ||
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|elevation=60–600 m. | |elevation=60–600 m. | ||
|distribution=Calif.;Mexico (Baja California). | |distribution=Calif.;Mexico (Baja California). | ||
| − | |discussion=<p>Ceanothus arboreus is restricted to Santa Catalina, Santa Cruz, and Santa Rosa islands, California, and Guadalupe Island, Baja California. Plants with glabrate leaves on Santa Cruz and Santa Rosa Islands have been called C. arboreus var. glaber.</p> | + | |discussion=<p><i>Ceanothus arboreus</i> is restricted to Santa Catalina, Santa Cruz, and Santa <i>Rosa</i> islands, California, and Guadalupe Island, Baja California. Plants with glabrate leaves on Santa Cruz and Santa <i>Rosa</i> Islands have been called <i>C. arboreus</i> <i></i>var.<i> glaber</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ceanothus arboreus | name=Ceanothus arboreus | ||
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|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
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|publication year=1886 | |publication year=1886 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_876.xml |
|genus=Ceanothus | |genus=Ceanothus | ||
|subgenus=Ceanothus subg. Ceanothus | |subgenus=Ceanothus subg. Ceanothus | ||
Latest revision as of 19:18, 5 November 2020
Shrubs, sometimes arborescent, evergreen, 2–7 m. Stems erect, not rooting at nodes; branchlets brown, not thorn-tipped, round or slightly angled in cross section, flexible, tomentulose. Leaves: petiole 8–25 mm; blade not aromatic, flat to cupped, widely ovate to elliptic, 25–80 × 20–40 mm, herbaceous, not resinous, base rounded, margins serrulate, teeth (35–)40–65, apex acute to obtuse, abaxial surface pale green, usually densely tomentulose, rarely glabrate, adaxial surface green, dull, glabrous or sparsely puberulent; 3-veined from base. Inflorescences axillary or terminal, paniclelike, conic, 5–12 cm. Flowers: sepals and petals pale blue to blue; nectary blue to dark blue. Capsules 6–8 mm wide, ± lobed; valves rugose, ± viscid, weakly crested. 2n = 24.
Phenology: Flowering Feb–May.
Habitat: Rocky slopes, ridges, chaparral, oak woodlands, closed-cone pine woodlands.
Elevation: 60–600 m.
Distribution
Calif., Mexico (Baja California).
Discussion
Ceanothus arboreus is restricted to Santa Catalina, Santa Cruz, and Santa Rosa islands, California, and Guadalupe Island, Baja California. Plants with glabrate leaves on Santa Cruz and Santa Rosa Islands have been called C. arboreus var. glaber.
Selected References
None.