Ivesia multifoliolata
Coconino ivesia, manyleaf mousetail, red comarella
ascending to erect, 2–6 dm.
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.
(5–)8–60-flowered, 2–12 cm diam.
5–30(–35) mm.
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.
brown, 2–2.5 mm.
= 28.
Ivesia multifoliolata
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.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
WildflowerSearch
iNaturalist
USDA Plants Database
