Flora of North America species comparison

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Lewisia brachycalyx

short-sepal bitter-root, short-sepal lewisia
Taproots

gradually ramified distally.
Stems

semiprostrate to suberect, 3–8 cm.
Leaves

basal leaves withering at or immediately following anthesis, ± sessile or tapered to broad petiole, blade oblanceolate, ± flattened, 3–8 cm, margins entire, apex acute to obtuse;

cauline leaves absent.
Inflorescences

flowers borne singly on peduncles;

bracts 2, ovate to broadly lanceolate, 5–7 mm, margins entire, apex acute to acuminate.
Flowers

sessile, not disarticulate in fruit;

sepals 2, decussate with bracts, ovate, 4–9 mm, herbaceous, margins entire, not glandular, apex acute;

petals 5–9, white, sometimes with pink veins, or pinkish, obovate, 12–26 mm;

stamens 9–15;

stigmas 5–8.
Capsules

6–9 mm.
Seeds

40–50, 1.5 mm, shiny.
2n

= 20.

Lewisia brachycalyx
Phenology Flowering late spring–early summer.
Habitat Montane meadows in sandy soil
Elevation 1300-2400 m (4300-7900 ft)
Distribution
from FNA
AZ; CA; UT; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

As B. Mathew (1989b) noted, plants attributed to New Mexico probably were collected in Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 478.
Parent taxa Portulacaceae > Lewisia
Sibling taxa
L. cantelovii, L. columbiana, L. congdonii, L. cotyledon, L. disepala, L. kelloggii, L. leeana, L. longipetala, L. maguirei, L. nevadensis, L. oppositifolia, L. pygmaea, L. rediviva, L. stebbinsii, L. triphylla
Synonyms L. brachycarpa, Oreobroma brachycalyx
Name authority Engelmann ex A. Gray: Proc. Amer. Acad. Arts 7: 400. (1868)
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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