Eremalche exilis

(A. Gray) Greene
Leafl. Bot. Observ. Crit. 1: 208. 1906.
Basionym: Malvastrum exile A. Gray in J. C. Ives, Rep. Colorado R. 4: 8. 1861
Synonyms: Sphaeralcea exilis (A. Gray) Jepson
Treatment appears in FNA Volume 6. Treatment on page 247.

Plants prostrate to decumbent; stems sometimes flushed with purple-maroon, branched or unbranched, 2–40 cm, obscurely stellate-hairy. Leaf blades 3- or 5-cleft or -lobed to ± 1/2 to base, 1–2.5 cm wide, divisions entire or 3-toothed at tip. Inflorescences seldom exceeding leaves, sometimes basal. Pedicels 0.2–1 cm, longer in fruit; involucellar bractlets threadlike to linear, 3.3–5.5(–7) mm. Flowers: calyx 4–5.5(–7) mm, lobes 3–5 × 1.5–2.5 mm; petals white or pale rose-lavender, 4–5.5 mm, equaling calyx. Mericarps 9–13, brownish to blackish, ± wedge-shaped, cushionlike, 1.4–1.8 mm, margins rounded, radially corrugated. 2n = 20, 40.


Phenology: Flowering late winter–spring.
Habitat: Sandy or rocky desert soil
Elevation: 100–1500 m

Distribution

V6 447-distribution-map.jpg

Ariz., Calif., Nev., Utah, Mexico (Baja California, Sonora).

Discussion

Eremalche exilis occurs in the Mojave and Sonoran deserts.

Selected References

None.

Lower Taxa

None.

... more about "Eremalche exilis"
David M. Bates +, Malvastrum A. Gray subsect. Pedunculosa A. Gray in A. Gray et al. +, Syn. Fl. N. Amer. 1(1 +  and 2): 308. 1897 +
(A. Gray) Greene +
Malvastrum exile +
Ariz. +, Calif. +, Nev. +, Utah +, Mexico (Baja California +  and Sonora). +
100–1500 m +
Sandy or rocky desert soil +
Flowering late winter–spring. +
Leafl. Bot. Observ. Crit. +
Sphaeralcea exilis +
Eremalche exilis +
Eremalche +
species +