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cushion miner's-lettuce, erubescent lettuce, erubescent miner's-lettuce, red miners lettuce, red stem spring beauty, red-stem miner's lettuce

Photo is of parent taxon

red stem miner's lettuce, redstem spring-beauty

Habit Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. Plants annual or biennial.
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.

Basal leaf

blades trullate.

Cauline leaves

distinct or perfoliate.

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.

= 12.

Claytonia rubra

Claytonia rubra subsp. rubra

Phenology Flowering Apr–Jul.
Habitat Drier coniferous woodlands or shrub-lands
Elevation 100-3000 m (300-9800 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Basal leaf blades trullate; cauline leaves distinct or perfoliate
subsp. rubra
1. Basal leaf blades lanceolate, spatulate, rhombic, or ovate; cauline leaves usually connate on only 1 side or perfoliate
subsp. depressa
Source FNA vol. 4, p. 473. FNA vol. 4, p. 474.
Parent taxa Portulacaceae > Claytonia Portulacaceae > Claytonia > Claytonia rubra
Sibling taxa
C. acutifolia, C. arctica, C. arenicola, C. caroliniana, C. cordifolia, C. exigua, C. gypsophiloides, C. lanceolata, C. megarhiza, C. multiscapa, C. nevadensis, C. ogilviensis, C. palustris, C. parviflora, C. perfoliata, C. rosea, C. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
C. rubra subsp. depressa
Subordinate taxa
C. rubra subsp. depressa, C. rubra subsp. rubra
Synonyms Montia rubra
Name authority (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) unknown
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