Difference between revisions of "Arctostaphylos franciscana"
Bull. Torrey Bot. Club 32: 201. 1905,.
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|title=Bull. Torrey Bot. Club | |title=Bull. Torrey Bot. Club | ||
|place=32: 201. 1905, | |place=32: 201. 1905, | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Arctostaphylos hookeri subsp. franciscana | |name=Arctostaphylos hookeri subsp. franciscana | ||
|authority=(Eastwood) Munz | |authority=(Eastwood) Munz | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Ericaceae;Ericaceae subfam. Arbutoideae;Arctostaphylos;Arctostaphylos franciscana | |hierarchy=Ericaceae;Ericaceae subfam. Arbutoideae;Arctostaphylos;Arctostaphylos franciscana | ||
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name=Arctostaphylos franciscana | name=Arctostaphylos franciscana | ||
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|authority=Eastwood | |authority=Eastwood | ||
|rank=species | |rank=species | ||
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|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_803.xml |
|subfamily=Ericaceae subfam. Arbutoideae | |subfamily=Ericaceae subfam. Arbutoideae | ||
|genus=Arctostaphylos | |genus=Arctostaphylos | ||
Latest revision as of 23:46, 5 November 2020
Shrubs, prostrate or mat-forming, 0.2–1.5 m; burl absent; twigs gray-hairy. Leaves: petiole 3–5 mm, (eglandular); blade bright green, shiny, oblanceolate, 1.5–2 × 0.5–1 cm, base cuneate, margins entire, plane, surfaces smooth, ± puberulent, glabrescent. Inflorescences panicles, 1–3-branched; immature inflorescence pendent, (branches compact), axis 0.5–1 cm, 1+ mm diam., gray-hairy; bracts appressed, scalelike (basalmost leaflike), awl-shaped, (concave when fresh), 3–4 mm, apex acute, surfaces glabrous. Pedicels 2–6 mm, glabrous. Flowers: corolla white to pink, urceolate; ovary canescent. Fruits globose, 6–8 mm diam., glabrous. Stones distinct. 2n = 26.
Phenology: Flowering winter–early spring.
Habitat: Maritime chaparral, serpentine soils
Elevation: 0-100 m
Discussion
Of conservation concern.
Formerly found in the northwestern portions of San Francisco, Arctostaphylos franciscana is now extirpated from the wild and survives only in cultivation.
Arctostaphylos franciscana is in the Center for Plant Conservation’s National Collection of Endangered Plants as A. hookeri subsp. franciscana.
Selected References
None.