Ivesia multifoliolata

(Torrey) D. D. Keck

Lloydia 1: 125. 1939.

Common names: Coconino ivesia red comarella
Conservation concernEndemic
Basionym: Horkelia multifoliolata Torrey L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers, 159. 1853
Synonyms: Comarella multifoliolata (Torrey) Rydberg Potentilla multifoliolata (Torrey) Kearney & Peebles
Treatment appears in FNA Volume 9. Treatment on page 244. Mentioned on page 124, 219, 220, 243.

Plants green. Stems ascending to erect, 2–6 dm. Basal leaves 6–25 (–30) cm; sheathing base minutely glandular abaxially; petiole 0.5–8 (–10) cm; leaflets 12–30 per side, obovate to broadly cuneate, 5–12 (–15) mm, incised 1/3–1/2 to base into 3–5 oblong to ovate teeth, sometimes entire, sparsely short-strigose to villous, sometimes glabrate. Inflorescences (5–) 8–60-flowered, 2–12 cm diam. Pedicels 5–30 (–35) mm. Flowers 9–12 mm diam.; epicalyx bractlets narrowly lanceolate to lanceolate, 1–2 mm; hypanthium interior brick to blood-red or golden, 0.5–1.5 × 3–5 mm; sepals 3–4.5 mm, base brick to blood-red adaxially, apex acute to acuminate; petals brick to blood-red, linear to oblanceolate or narrowly elliptic, 2–3.5 mm; stamens 5, filaments 1.3–2 mm, anthers maroon, oblong, 0.6–0.9 mm; carpels 1–5, styles 2–3 mm. Achenes brown, 2–2.5 mm. 2n = 28.


Phenology: Flowering summer.
Habitat: Dry flats and slopes, on gravelly volcanic or sandstone soil, often along seasonal stream courses, in oak and conifer woodlands
Elevation: 1800–2400 m

Discussion

Of conservation concern.

Ivesia multifoliolata is found between the Grand Canyon and Mogollon Rim in northern Arizona. It is both the only species of the genus with red petals and the only one that overlaps the range of the red-petaled Potentilla sect. Rubrae.

Selected References

None.

Lower Taxa

None.

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

... more about "Ivesia multifoliolata"
not carunculate +
2mm +  and 2.5mm +
longer than wide +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
Barbara Ertter +  and James L. Reveal +
(Torrey) 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 />) +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
brick +  and blood-red +
3 +  and 5 +
Horkelia multifoliolata +
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 +
Coconino ivesia +  and red comarella +
not +  and aggregated +
1800–2400 m +
narrowly lanceolate +  and lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 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 sandstone soil, often along seasonal stream courses, in oak and conifer woodlands +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
brick +  and blood-red or golden +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 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 />) +
(5-)8-60-flowered +
2 cm20 mm <br />0.02 m <br /> (12 cm120 mm <br />0.12 m <br />) +
crassinucellate +
opposite +  and alternate +
winter-marcescent +
deciduous +  and persistent +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
, +  and distinct +
distinguishable +
glabrate +, sparsely short-strigose +  and villous +
oblong +  and ovate +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
oblanceolate +  and oval or obovate +
verticillate +
toothed +, unlobed +  and lobed +
inferior +  and superior +
clustered +, biseriate +  and superposed +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
8 cm80 mm <br />0.08 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering summer. +
adnate +, free +, connate +  and distinct +
not arillate +
persistent +
free +  and distinct +
erect +  and spreading +
lanceolate +  and broadly ovate or deltate +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Conservation concern +  and Endemic +
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 multifoliolata +  and Potentilla multifoliolata +
not fusiform +
Ivesia multifoliolata +
Ivesia sect. Comarella +
species +
inconspicuous +
stipelike +, elongate +, less flat +  and conic or turbinate +
enlarged +
glabrate +  and sparsely densely glandular-puberulent +