Flora of North America species comparison

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Iliamna longisepala

long-sepal globemallow, long-sepal wild hollyhock
Stems

1–2 m, paniculately branched;

herbage sparsely hispid, hairs simple, forked, and stellate.
Leaf

blades 5- or 7-lobed, 5–10 cm wide, lobes lanceolate to triangular, base truncate to cordate, margins with coarse rounded to pointed teeth.
Inflorescences

solitary flowers or few-flowered clusters forming open panicles;

involucellar bractlets linear to linear-lanceolate, 5–10 × 1 mm, 1/3–1/2 calyx length.
Flowers

calyx 15–20 mm, lobes lanceolate to ovate-lanceolate, 10–15 mm, longer than wide, exceeding tube, hirsute with few-rayed hairs 1–2 mm;

petals deep rose-purple, 1.5–2.5 cm.

Iliamna longisepala
Phenology Flowering Jun–Aug.
Habitat Gravelly streamsides and open hillsides, sage brush shrub-steppe to lower Pinus ponderosa zones
Elevation 100–1500 m (300–4900 ft)
Distribution
from FNA
WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Iliamna longisepala is distinctive in its long calyx and calyx lobes. The species is rare and limited to the eastern side of the Wenatchee Mountains in the arid transition zones over a total distance of about 120 kilometers in Chelan, Douglas, and Kittitas counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 271.
Parent taxa Malvaceae > subfam. Malvoideae > Iliamna
Sibling taxa
I. bakeri, I. corei, I. crandallii, I. grandiflora, I. latibracteata, I. remota, I. rivularis
Synonyms Sphaeralcea longisepala, Phymosia longisepala
Name authority (Torrey) Wiggins: Contr. Dudley Herb. 1: 227. (1936)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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