Difference between revisions of "Arctostaphylos viridissima"

(Eastwood) McMinn

Man. Calif. Shrubs, 419. 1939 ,.

Common names: Whitehair manzanita
EndemicConservation concern
Basionym: Arctostaphylos pechoensis var. viridissima Eastwood Leafl. W. Bot. 1: 62. 1933
Treatment appears in FNA Volume 8. Treatment on page 433. Mentioned on page 413.
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|label=Conservation concern
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|basionyms={{Treatment/ID/Basionym
 
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|name=Arctostaphylos pechoensis var. viridissima
 
|name=Arctostaphylos pechoensis var. viridissima
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|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V8/V8_833.xml
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|subfamily=Ericaceae subfam. Arbutoideae
 
|subfamily=Ericaceae subfam. Arbutoideae
 
|genus=Arctostaphylos
 
|genus=Arctostaphylos

Revision as of 00:15, 28 May 2020

Shrubs, erect, 1–4 m; burl absent; twigs short-hairy with longer, white hairs. Leaves: petiole 1–4 mm; blade dark green, shiny, narrowly ovate to oblong-ovate, 2–3.5 × 1.5–2.5 cm, base truncate to ± auriculate-clasping, margins entire, plane, surfaces smooth, puberulent, glabrescent. Inflorescences racemes, simple or 1-branched; immature inflorescence pendent, (branches ± concealed by bracts), axis 1–1.5 cm, 1+ mm diam., short-hairy with long, white hairs; bracts not appressed, (crowded), leaflike, lanceolate, 6–10 mm, apex acute, surfaces lightly hairy. Pedicels 2–3 mm, sparsely hairy. Flowers: corolla white, conic to urceolate; ovary densely white-hairy. Fruits subglobose, 10–15 mm diam., sparsely hairy or glabrous. Stones distinct. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Island chaparral, open forests
Elevation: 100-600 m

Discussion

Of conservation concern.

Arctostaphylos viridissima is known from siliceous shale on the eastern part of Santa Cruz Island.

Selected References

None.

Lower Taxa

None.
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(Eastwood) McMinn +
Arctostaphylos pechoensis var. viridissima +
Whitehair manzanita +
100-600 m +
Island chaparral, open forests +
Flowering winter–early spring. +
Man. Calif. Shrubs, +
Endemic +  and Conservation concern +
Undefined tribe Arbuteae +
Arctostaphylos viridissima +
Arctostaphylos +
species +