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.

"thin" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."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 />) +
acute;acuminate +
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 />) +
coriaceous +
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 />) +
patelliform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 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 +
linear;narrowly oblanceolate +
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 +
linear;lanceolate or elliptic +
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 +
slender;stout +
Ivesia sabulosa +
Ivesia sect. Comarella +
species +
inconspicuous +
stipelike +, elongate +, less flat +  and conic or turbinate +
enlarged +
glabrate +  and sparsely densely glandular-puberulent +