Ivesia sabulosa

(M. E. Jones) D. D. Keck

Lloydia 1: 124. 1939.

Common names: Sevier ivesia yellow comarella
Conservation concernEndemicIllustrated
Basionym: Potentilla sabulosa M. E. Jones Proc. Calif. Acad. Sci., ser. 2, 5: 680. 1895
Synonyms: Comarella sabulosa (M. E. Jones) Rydberg
Treatment appears in FNA Volume 9. Treatment on page 244. Mentioned on page 243.

Plants ± grayish green. Stems ascending to erect, (1.8–) 2–6 (–6.5) dm. Basal leaves 7–25 (–30) cm; sheathing base usually sparsely strigose abaxially; petiole 1–4 (–5) cm; leaflets 15–40 per side, ± flabellate, 3–14 mm, usually incised to base into 2–3 oblanceolate lobes, ± densely short-hirsute to villous. Inflorescences 10–60-flowered, 4–15 cm diam. Pedicels (1–) 5–20 mm. Flowers 9–14 mm diam.; epicalyx bractlets lanceolate, 1–3 (–3.3) mm; hypanthium interior golden, 1–2 × 3–5 mm; sepals (2.5–) 3.5–6 mm, base golden adaxially, apex acute to acuminate; petals yellow, linear to narrowly oblanceolate, 2–4 mm; stamens 5, filaments 2–4 mm, anthers yellow, sometimes red-rimmed, oblong, 0.6–1.2 mm; carpels 1–5, styles 2–3 mm. Achenes brown, 1.7–2.2 mm.


Phenology: Flowering summer.
Habitat: Dry flats and slopes, on gravelly volcanic or limestone soil, in sagebrush and other desert shrub communities, montane conifer woodlands
Elevation: 1500–2700 m

Discussion

Of conservation concern.

Ivesia sabulosa occurs from central Nevada and southwestern Utah south to Arizona north of the Grand Canyon.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

... more about "Ivesia sabulosa"
not carunculate +
1.7mm +  and 2.2mm +
longer than wide +
red-rimmed +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Barbara Ertter +  and James L. Reveal +
(M. E. Jones) D. D. Keck +
compound +  and simple +
opposite +  and alternate +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
7 cm70 mm <br />0.07 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Potentilla sabulosa +
20 cm200 mm <br />0.2 m <br /> (25 cm250 mm <br />0.25 m <br />) +
narrowly oblong +  and filiform planar +
0.5 cm5 mm <br />0.005 m <br /> (20 cm200 mm <br />0.2 m <br />) +
reduced +
elongate +
free +  and distinct +
branched +  and simple +
Sevier ivesia +  and yellow comarella +
Ariz. +, Nev. +  and Utah. +
not +  and aggregated +
1500–2700 m +
0.3 cm3 mm <br />0.003 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
deciduous +
obliquely ovoid +  and reniform +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
loose +  and capitate +
Dry flats and slopes, on gravelly volcanic or limestone soil, in sagebrush and other desert shrub communities, montane conifer woodlands +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
crassinucellate +
opposite +  and alternate +
winter-marcescent +
deciduous +  and persistent +
, +  and distinct +
distinguishable +
less densely short-hirsute +  and villous +
incised +  and flabellate +
0.3 cm3 mm <br />0.003 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
oblanceolate +
verticillate +
toothed +, unlobed +  and lobed +
inferior +  and superior +
clustered +, biseriate +  and superposed +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering summer. +
adnate +, free +, connate +  and distinct +
not arillate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
persistent +
free +  and distinct +
erect +  and spreading +
lanceolate +  and broadly ovate or deltate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Conservation concern +, Endemic +  and Illustrated +
free +  and distinct +
branched +  and simple +
reddish +, grayish +  and green +
ascending +  and erect +
2 +  and 20 +
palmate +  and pinnate +
much-reduced +
deciduous +
distinct +
subterminal +
filiform +
rough-thickened +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Comarella sabulosa +
not fusiform +
Ivesia sabulosa +
Ivesia sect. Comarella +
species +
inconspicuous +
stipelike +, elongate +, less flat +  and conic or turbinate +
enlarged +
glabrate +  and sparsely densely glandular-puberulent +