Claytonia rubra

(Howell) Tidestrom

Contr. U.S. Natl. Herb. 25: 188. 1925.

Common names: Erubescent miner’s-lettuce
IllustratedEndemic
Basionym: Montia rubra Howell Erythea 1: 38. 1893
Treatment appears in FNA Volume 4. Treatment on page 473. Mentioned on page 465.

Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. Stems 1–10 cm. Leaves: basal leaves in flattened to suberect rosettes, 0.5–6 cm, blade with strong red pigmentation even in juvenile plants, narrowly rhombic to ovate, spatulate, or trullate, 0.5–1.5 × 0.5–1 cm, apex obtuse; cauline leaves distinct or connate on 1 side or perfoliate, sessile, blade ovate. Inflorescences 1-bracteate; bract leaflike, 0.5–15 mm. Flowers 2–5 mm diam.; sepals 1.5–2.5 mm; petals 2–3 mm, pinkish white to white; ovules 3. Seeds 2–3 mm diam., shiny and smooth; elaiosome 1–2 mm. 2n = 12, 24, 36.

Distribution

V4 948-distribution-map.gif

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

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Basal leaf blades trullate; cauline leaves distinct or perfoliate Claytonia rubra subsp. rubra
1 Basal leaf blades lanceolate, spatulate, rhombic, or ovate; cauline leaves usually connate on only 1 side or perfoliate Claytonia rubra subsp. depressa
... more about "Claytonia rubra"
36 +, 24 +  and 12 +
John M. Miller +
(Howell) Tidestrom +
0.5 cm5 mm <br />0.005 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Montia rubra +
sessile +  and perfoliate +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
occasionally dentate;crisped +
ovate +, narrowly rhombic +  and ovate spatulate or trullate +
0.5cm +  and 1cm +
scale-like +
membranous +
whorled +  and opposite +
connate +  and distinct +
3 (?) +  and 2 (?) +
Erubescent miner’s-lettuce +
B.C. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
terminal +  and axillary +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
plurilocular +
globose +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
red pigmentation +
Contr. U.S. Natl. Herb. +
capillary +
flattened +
dispersed +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
3 +  and 6 +
smooth +  and tuberculate +
rounded +
persistent +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Illustrated +  and Endemic +
decumbent +  and erect +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Belia +  and Limnia +
Claytonia rubra +
Claytonia +
species +
not deciduous +
fleshy +  and succulent +
8 +, 7 +, 6 +  and 5 +