Eremalche rotundifolia |
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desert five-spot |
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Habit | Plants erect; main stem unbranched or branched from base, spotted or flushed purple-maroon, 8–30(–60) cm, sparsely or densely hairy, hairs mostly simple, bristly, to 3 mm. |
Leaf | blades unlobed, 1.5–6 cm, margins crenate-dentate. |
Inflorescences | usually exceeding leaves. |
Pedicels | 1.5–8 cm; involucellar bractlets filiform, 6–10 mm. |
Flowers | calyx 9–14 mm, lobes 5.5–11 × 3.5–7 mm; petals rose-pink to lilac, magenta-spotted at base, (15–)20–30 mm, exceeding calyx. |
Mericarps | 25–36, black, waferlike edges acute, reticulate, 2.8–3.5 mm. |
2n | = 20. |
Eremalche rotundifolia |
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Phenology | Flowering mid winter–late spring. |
Habitat | Dry desert scrub |
Elevation | ?50–1200 m [?160–3900 ft] |
Distribution |
AZ; CA; NV; UT; Mexico (Baja California, Sonora)
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Discussion | Eremalche rotundifolia is morphologically and perhaps generically distinct from the other species of Eremalche; it occurs widely in the Mojave and Sonoran deserts and in Death Valley. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 6, p. 247. |
Parent taxa | |
Sibling taxa | |
Synonyms | Malvastrum rotundifolium, Sphaeralcea rotundifolia |
Name authority | (A. Gray) Greene: Leafl. Bot. Observ. Crit. 1: 208. (1906) |
Web links |