View source for Ceanothus arboreus

{{Treatment/ID
|accepted_name=Ceanothus arboreus
|accepted_authority=Greene
|publications={{Treatment/Publication
|title=Bull. Calif. Acad. Sci.
|place=2: 144. 1886
|year=1886
}}
|common_names=Island ceanothus
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Ceanothus arboreus var. glaber
|authority=Jepson
}}
|hierarchy=Rhamnaceae;Ceanothus;Ceanothus subg. Ceanothus;Ceanothus arboreus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rhamnaceae]]</div><div class="higher-taxon"><small>genus</small>[[Ceanothus]]</div><div class="higher-taxon"><small>subgenus</small>[[Ceanothus subg. Ceanothus]]</div><div class="higher-taxon"><small>species</small>[[Ceanothus arboreus]]</div></div>
|volume=Volume 12
|mention_page=page 81
|treatment_page=page 88
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> sometimes arborescent, evergreen, 2–7 m. <b>Stems</b> erect, not rooting at nodes; branchlets brown, not thorn-tipped, round or slightly angled in cross section, flexible, tomentulose. <b>Leaves</b>: 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. <b>Inflorescences</b> axillary or terminal, paniclelike, conic, 5–12 cm. <b>Flowers</b>: sepals and petals pale blue to blue; nectary blue to dark blue. <b>Capsules</b> 6–8 mm wide, ± lobed; valves rugose, ± viscid, weakly crested. <b>2n</b> = 24.</span><!--

-->{{Treatment/Body
|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=<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></i>var.<i><i> glaber</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Ceanothus arboreus
|author=
|authority=Greene
|rank=species
|parent rank=subgenus
|synonyms=Ceanothus arboreus var. glaber
|basionyms=
|family=Rhamnaceae
|phenology=Flowering Feb–May.
|habitat=Rocky slopes, ridges, chaparral, oak woodlands, closed-cone pine woodlands.
|elevation=60–600 m.
|distribution=Calif.;Mexico (Baja California).
|reference=None
|publication title=Bull. Calif. Acad. Sci.
|publication year=1886
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_876.xml
|genus=Ceanothus
|subgenus=Ceanothus subg. Ceanothus
|species=Ceanothus arboreus
}}<!--

-->[[Category:Treatment]][[Category:Ceanothus subg. Ceanothus]]