Lewisia disepala

Rydberg in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 21: 328. 1932.

EndemicConservation concern
Basionym: Lewisia rediviva var. yosemitana K. Brandegee Proc. Calif. Acad. Sci., ser. 2, 4: 89. 1894,
Treatment appears in FNA Volume 4. Treatment on page 481. Mentioned on page 477.

Taproots gradually ramified distally. Stems erect, 0.5–3 cm. Leaves: basal leaves withering at or soon after anthesis, sessile, blade linear to slightly clavate, terete, 0.8–2 cm, margins entire, apex obtuse; cauline leaves absent. Inflorescences with flowers borne singly; bracts 2–4, proximal in 1 pair, ovate to lanceolate, 2–3 mm, margins entire, apex acute. Flowers sessile to subsessile, disarticulate in fruit; sepals 2, broadly obovate to broadly ovate, 7–8 mm, scarious at anthesis, margins entire, apex rounded or sometimes emarginate; petals 5–8, pale-rose-pink, oblanceolate to broadly obovate, 13–18 mm, apex obtuse; stamens 1–15; stigmas 4. Seeds 11–15, 2.8–3.5 mm.


Phenology: Flowering late winter-mid(-late) spring.
Habitat: Granitic formations on rocky, gravelly, or sandy substrate
Elevation: 1900-2600 m

Discussion

Of conservation concern.

Lewisia disepala is known only from scattered localities in the southern Sierra Nevada.

Selected References

None.

Lower Taxa

None.
... more about "Lewisia disepala"
Obtuse (?) +, Rounded (?) +  and Acute (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
Rydberg in N. L. Britton et al. +
ephemeral +  and evergreen +
Lewisia rediviva var. yosemitana +
occasionally dentate;crisped +
terete +, linear +  and slightly clavate +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
persistent +
2 (?) +  and 4 (?) +
subequal +
circumscissile +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
subumbellate +
1900-2600 m +
sessile +  and subsessile +
disarticulate in fruit +  and persistent +
Granitic formations on rocky, gravelly, or sandy substrate +
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 +
1.3 cm13 mm <br />0.013 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Flowering late winter-mid(-late) spring. +
ovate;lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
in N. L. Britton et al., N. Amer. Fl. +
estrophiolate +
Black (?) +  and Brown (?) +
11 +  and 15 +
sculptured +  and smooth +
sculpted +
2.8mm +  and 3.5mm +
persistent +
broadly obovate;broadly ovate +
subequal +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Endemic +  and Conservation concern +
distinct +  and scarcely connate and/or adnate +
1 (?) +  and 15 (?) +
branched +, simple +  and scapelike +
deciduous +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Erocallis +  and Oreobroma +
Lewisia disepala +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +