Lewisia stebbinsii

Gankin & W. R. Hildreth

Four Seasons 2(4): 13, figs. a–c. 1968.

EndemicConservation concern
Treatment appears in FNA Volume 4. Treatment on page 484. Mentioned on page 477.

Taproots gradually ramified distally. Stems procumbent, 1.5–14 cm. Leaves: basal leaves withering after anthesis, gradually tapered to broad petiole, blade oblanceolate, spatulate, or obovate, flattened, 2.5–8.5 cm, margins entire, apex obtuse; cauline leaves absent. Inflorescences subumbellate cymes, 1–3-branched, 3–11-flowered; bracts several, usually an opposite pair proximally, plus 2 at each flowering node distally, ovate to elliptical, 1.8–3 mm, margins glandular-toothed, apex acute. Flowers pedicellate, not disarticulate in fruit; sepals 2, broadly ovate, 3.5–7 mm, herbaceous at anthesis, margins glandular-toothed, apex rounded to truncate; petals 7–10, magenta or carmine with whitish bases, veins darker, oblanceolate or obovate, 8–10 mm; stamens 10–13; stigmas 3–4; pedicel 8–25 mm. Capsules 5–7 mm. Seeds 20, 1.5–2 mm, shiny, smooth.


Phenology: Flowering late spring–early summer.
Habitat: Open meadows in dryish, rocky or gravelly soils
Elevation: 1900 m

Discussion

Of conservation concern.

Lewisia stebbinsii is known only from the north Coast Ranges in Mendocino County

Selected References

None.

Lower Taxa

None.
... more about "Lewisia stebbinsii"
Rounded (?) +  and Truncate (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
Gankin & W. R. Hildreth +
ephemeral +  and evergreen +
2.5 cm25 mm <br />0.025 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
occasionally dentate;crisped +
oblanceolate +  and tapered +
persistent +
2 (?) +  and Several (?) +
ovate +  and elliptical +
subequal +
circumscissile +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.7 cm7 mm <br />0.007 m <br /> (?) +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
subumbellate +
1900 m +
disarticulate in fruit +  and persistent +
Open meadows in dryish, rocky or gravelly soils +
3-11-flowered +  and 1-3-branched +
paniculate +  and racemose +
terminal +  and axillary +
exstipulate +  and secund +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
glandular-toothed +
plurilocular +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
connate +  and distinct +
oblanceolate +  and tapered +
Flowering late spring–early summer. +
Four Seasons +
estrophiolate +
Black (?) +  and Brown (?) +
sculptured +  and smooth +
sculpted +
1.5mm +  and 2mm +
persistent +
subequal +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Endemic +  and Conservation concern +
distinct +  and scarcely connate and/or adnate +
10 (?) +  and 13 (?) +
branched +, simple +  and scapelike +
deciduous +
prostrate +  and erect +
1.5 cm15 mm <br />0.015 m <br /> (14 cm140 mm <br />0.14 m <br />) +
3 +  and 4 +
Erocallis +  and Oreobroma +
Lewisia stebbinsii +
species +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +