Lewisia triphylla

(S. Watson) B. L. Robinson in A. Gray et al.

in A. Gray et al., Syn. Fl. N. Amer. 1: 269. 1897.

IllustratedEndemic
Basionym: Claytonia triphylla S. Watson Proc. Amer. Acad. Arts 10: 345. 1875
Synonyms: Erocallis triphylla (S. Watson) Rydberg Oreobroma triphyllum (S. Watson) Howell
Treatment appears in FNA Volume 4. Treatment on page 484. Mentioned on page 477, 485.

Taproots cormlike, globose. Stems lax to erect, 3–11 cm. Leaves: basal leaves withering before anthesis, ± sessile, blade narrowly linear to filiform, subcylindric, 1–6 cm, margins entire, apex obtuse to subacute; cauline leaves 2–3 (–5), paired or whorled, blade similar to basal leaves, 10–50 mm. Inflorescences usually subumbellate to paniculate cymes, (1–) 3–25-flowered; bracts 2 per flower, ovate to lanceolate, 1–5 mm, margins entire, apex obtuse to subacute. Flowers pedicellate, not disarticulate in fruit; sepals 2, ovate, 2–4 mm, herbaceous, margins entire, apex rounded to obtuse; petals 5–9, white or pinkish with darker veins, elliptic-obovate to elliptic-ovate, 4–7 mm; stamens (3–) 4 (–5); stigmas 3–5; pedicel 5–15 (–25) mm. Capsules 3–4 mm. Seeds 8–25, 1 mm, shiny, shallowly tuberculate.


Phenology: Flowering late spring–summer.
Habitat: Open places, sandy to gravelly soils, sometimes alpine meadows, usually near melting snow
Elevation: 1500-3300 m

Distribution

V4 983-distribution-map.gif

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

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Lewisia triphylla"
Rounded (?) +  and Obtuse (?) +
Mark A. Hershkovitz +  and Sean B. Hogan +
(S. Watson) B. L. Robinson in A. Gray et al. +
ephemeral +  and evergreen +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Claytonia triphylla +
occasionally dentate;crisped +
narrowly linear +  and filiform +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
persistent +
ovate +  and lanceolate +
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 +  and paired +
2 (?) +  and 3 (?) +
subumbellate +
B.C. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1500-3300 m +
disarticulate in fruit +  and persistent +
Open places, sandy to gravelly soils, sometimes alpine meadows, usually near melting snow +
(1-)3-25-flowered +  and subumbellate +
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 +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
connate +  and distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering late spring–summer. +
in A. Gray et al., Syn. Fl. N. Amer. +
estrophiolate +
Black (?) +  and Brown (?) +
1 +  and 50 +
tuberculate +
sculpted +
1 +, 8mm +  and 25mm +
persistent +
subequal +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Illustrated +  and Endemic +
distinct +  and scarcely connate and/or adnate +
branched +, simple +  and scapelike +
deciduous +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
3 +  and 5 +
Erocallis triphylla +  and Oreobroma triphyllum +
Lewisia triphylla +
species +
fleshy +  and succulent +
15 +, 14 +, 13 +, 12 +, 11 +  and 10 +