Difference between revisions of "Ivesia aperta var. aperta"

EndemicConservation concern
Treatment appears in FNA Volume 9. Treatment on page 241. Mentioned on page 240.
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name=Ivesia aperta var. aperta
 
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|subfamily=Rosaceae subfam. Rosoideae
 
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Latest revision as of 22:56, 5 November 2020

Stems ascending to erect. Flowers (20–)30–250, usually more than 10 per glomerule, 5–10 mm diam.; hypanthium 2–3(–4) mm diam.; petals oblanceolate, 2–3 mm, shorter than sepals; filaments 1–1.5(–2) mm; styles 2–3 mm. 2n = 28.


Phenology: Flowering summer.
Habitat: Dry meadows, edges of seeps, slopes, and flats, on vernally saturated volcanic soil, in sagebrush and grass communities, conifer woodlands
Elevation: 1300–2300 m

Discussion

Of conservation concern.

Variety aperta is most abundant in Sierra Valley and its drainages in Plumas and Sierra counties, California, barely extending into Lassen County. Disjunct populations occur in the Carson Range in southern Washoe County and the Virginia Range of Storey County, Nevada.

The chromosome count given here is based on a collection originally identified as Ivesia sericoleuca (D. D. Keck & A. Gustafsson 4901).

Selected References

None.

Lower Taxa

None.
... more about "Ivesia aperta var. aperta"
Barbara Ertter +  and James L. Reveal +
unknown +
Potentilla aperta +
Calif. +  and Nev. +
1300–2300 m +
Dry meadows, edges of seeps, slopes, and flats, on vernally saturated volcanic soil, in sagebrush and grass communities, conifer woodlands +
Flowering summer. +
Suppl. Calif. Fl., +
Conservation concern +  and Endemic +
Eremicae +, Ivesia sect. Eremicae +  and Unguiculatae +
Ivesia aperta var. aperta +
Ivesia aperta +
variety +