Lewisia brachycalyx

Engelmann ex A. Gray

Proc. Amer. Acad. Arts 7: 400. 1868.

Synonyms: Lewisia brachycarpa S. Watson Oreobroma brachycalyx (Engelmann ex A. Gray) Howell
Treatment appears in FNA Volume 4. Treatment on page 478. Mentioned on page 477.

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.


Phenology: Flowering late spring–early summer.
Habitat: Montane meadows in sandy soil
Elevation: 1300-2400 m

Distribution

V4 960-distribution-map.gif

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

Discussion

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

Selected References

None.

Lower Taxa

None.
... more about "Lewisia brachycalyx"
Acute (?) +  and Acuminate (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
Engelmann ex A. Gray +
ephemeral +  and evergreen +
occasionally dentate;crisped +
flattened +  and oblanceolate +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
persistent +
ovate +  and broadly lanceolate +
subequal +
circumscissile +
0.6 cm6 mm <br />0.006 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
subumbellate +
Ariz. +, Calif. +, Utah +  and Mexico (Baja California) +
1300-2400 m +
disarticulate in fruit +  and persistent +
Montane meadows in sandy soil +
paniculate +  and racemose +
terminal +  and axillary +
exstipulate +  and secund +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
glandular-toothed +, toothed +, entire +  and crisped +
plurilocular +
connate +  and distinct +
1.2 cm12 mm <br />0.012 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
Flowering late spring–early summer. +
Proc. Amer. Acad. Arts +
estrophiolate +
Black (?) +  and Brown (?) +
1 +  and 50 +
sculptured +  and smooth +
sculpted +
1.5 +, 40mm +  and 50mm +
persistent +
subequal +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
distinct +  and scarcely connate and/or adnate +
9 (?) +  and 15 (?) +
branched +, simple +  and scapelike +
deciduous +
semiprostrate +  and suberect +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
5 +  and 8 +
Lewisia brachycarpa +  and Oreobroma brachycalyx +
Lewisia brachycalyx +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +