Lewisia rediviva

Pursh

Fl. Amer. Sept. 2: 368. 1814.

Common names: Bitterroot
IllustratedEndemic
Treatment appears in FNA Volume 4. Treatment on page 484. Mentioned on page 458, 476, 477.

Taproots gradually ramified distally. Stems procumbent to erect, 1–3 cm. Leaves: basal leaves withering at or soon after anthesis, sessile, blade linear to clavate, subterete or grooved adaxially, 0.5–5 cm, margins entire, apex obtuse to subacute; cauline leaves absent. Inflorescences with flowers borne singly; bracts 4–7 (–8), whorled, subulate to linear-lanceolate, 4–10 mm, margins entire, apex acuminate. Flowers pedicellate, disarticulate in fruit; sepals (4–) 6–9, broadly elliptic to ovate, 10–25 mm, scarious after anthesis, margins entire to somewhat erose, apex obtuse to rounded; petals 10–19, usually rose to pink, sometimes lavender, sometimes with paler or white centers, or wholly white, elliptic, oblong, or narrowly oblanceolate, 15–35 mm; stamens 20–50; stigmas 4–9; pedicel (1–) 3–15 (–30) mm. Capsules 5–6 mm. Seeds 6–25, 2–2.5 mm, shiny, minutely papillate. 2n = 26, 28.

Distribution

V4 979-distribution-map.gif

Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Varieties 2 (2 in the flora).

Native Americans commonly ate the boiled roots of Lewisia rediviva.

Selected References

None.

Key

1 Basal leaf blades clavate to narrowly oblanceolate, grooved adaxially; sepals 10-12(-15) mm; petals 15mm; stamens 20-30 Lewisia rediviva var. minor
1 Basal leaf blades linear, subterete, not grooved adaxially; sepals 15-25 mm; petals 18-35 mm; stamens 30-50 Lewisia rediviva var. rediviva
... more about "Lewisia rediviva"
Obtuse (?) +  and Rounded (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
ephemeral +  and evergreen +
occasionally dentate;crisped +
subterete +, linear +  and clavate +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
persistent +
4 (?) +  and 7 (?) +
subulate +  and linear-lanceolate +
subequal +
circumscissile +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.6 cm6 mm <br />0.006 m <br /> (?) +
enlarged +
gradually +  and sessile +
whorled +, opposite +  and alternate +
white +  and paler +
Bitterroot +
subumbellate +
Alta. +, B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
disarticulate in fruit +  and persistent +
paniculate +  and racemose +
terminal +  and axillary +
exstipulate +  and secund +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
entire to somewhat +
glandular-toothed +, toothed +, entire +  and crisped +
plurilocular +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
connate +  and distinct +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Fl. Amer. Sept. +
estrophiolate +
Black (?) +  and Brown (?) +
6 +  and 25 +
papillate +
sculpted +
2mm +  and 2.5mm +
persistent +
broadly elliptic;ovate +
subequal +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Illustrated +  and Endemic +
distinct +  and scarcely connate and/or adnate +
20 (?) +  and 50 (?) +
branched +, simple +  and scapelike +
deciduous +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
4 +  and 9 +
Erocallis +  and Oreobroma +
Lewisia rediviva +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +