Lewisia congdonii

(Rydberg) S. Clay

Present-day Rock Gard., xx, 340. 1937.

EndemicConservation concern
Basionym: Oreobroma congdonii Rydberg in N. L. Britton et al., N. Amer. Fl. 21: 322. 1932 (as congdoni)
Synonyms: Lewisia columbiana subsp. congdonii (Rydb erg) Ferris
Treatment appears in FNA Volume 4. Treatment on page 479. Mentioned on page 477, 480.

Taproots gradually ramified distally. Stems ± erect, becoming lax with age, 20–60 cm. Leaves: basal leaves withering after anthesis, abruptly or gradually narrowed to broad petiole, blade oblanceolate, 5–25 cm, margins entire, apex acute to obtuse; cauline leaves withering after anthesis, alternate, ± sessile, distalmost intergrading with bracts, reduced, blade lanceolate or linear-lanceolate, 15–125 mm, margins entire, apex acute to obtuse. Inflorescences 3–7-branched paniculate cymes, 20–100-flowered; bracts alternate proximally, 2 at each flowering node distally, ovate to orbiculate, 10–20 mm, margins glandular-toothed, apex acute proximally to rounded distally. Flowers pedicellate, not disarticulate in fruit; sepals 2, suborbiculate to broadly obovate, 2–4 mm, herbaceous at anthesis, margins glandular-toothed, apex truncate to rounded; petals 6–7, pale-pink, veins magenta, base yellow-green, obovate, 7.5–10 mm; stamens 4–5; stigmas 3; pedicel 5–10 mm. Capsules 3–4 mm. Seeds 2 mm, shiny. 2n = ca. 24.


Phenology: Flowering spring.
Habitat: Shaded, mossy, rocky slopes
Elevation: 500-2100 m

Discussion

Of conservation concern.

Lewisia congdonii is found only in Mariposa County, California.

Selected References

None.

Lower Taxa

None.
... more about "Lewisia congdonii"
Truncate (?) +  and Rounded (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
(Rydberg) S. Clay +
ephemeral +  and evergreen +
5 cm50 mm <br />0.05 m <br /> (25 cm250 mm <br />0.25 m <br />) +
yellow-green +
obovate +
0.75 cm7.5 mm <br />0.0075 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Oreobroma congdonii +
occasionally dentate;crisped +
linear-lanceolate +, lanceolate +, oblanceolate +  and narrowed +
1.5 cm15 mm <br />0.015 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
persistent +
ovate +  and orbiculate +
subequal +
circumscissile +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
3-7-branched +
500-2100 m +
disarticulate in fruit +  and persistent +
Shaded, mossy, rocky slopes +
paniculate +  and racemose +
terminal +  and axillary +
exstipulate +  and secund +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
glandular-toothed +
plurilocular +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
connate +  and distinct +
oblanceolate +  and narrowed +
Flowering spring. +
Present-day Rock Gard., xx, +
estrophiolate +
Black (?) +  and Brown (?) +
1 +  and 50 +
sculptured +  and smooth +
sculpted +
persistent +
suborbiculate;broadly obovate +
subequal +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Endemic +  and Conservation concern +
distinct +  and scarcely connate and/or adnate +
4 (?) +  and 5 (?) +
branched +, simple +  and scapelike +
deciduous +
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Lewisia columbiana subsp. congdonii +
Lewisia congdonii +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +