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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

Alaska spring-beauty, creeping spring beauty

Habit Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. Plants perennial, with minute, tuberous body, producing rhizomes and stolons; rhizomes 0.5–3 mm diam.; periderm absent.
Stems

1–10 cm.

1–20 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 leaves 1–15 cm, blade elliptic to spatulate, 1–8 × 1–2 cm;

cauline leaves sessile, blade lanceolate to ovate, 2 times or less longer than broad, 1–2 cm.

Inflorescences

1-bracteate;

bract leaflike, 0.5–15 mm.

ebracteate.

Flowers

2–5 mm diam.;

sepals 1.5–2.5 mm;

petals 2–3 mm, pinkish white to white;

ovules 3.

15–20 mm diam.;

sepals 6–8 mm;

petals pink to magenta with yellow blotch at base, 10–16 mm;

ovules 6.

Seeds

2–3 mm diam., shiny and smooth;

elaiosome 1–2 mm.

(1–)6, 2–4 mm, shiny and smooth;

elaiosome prominent, 2–3 mm.

2n

= 12, 24, 36.

= 10, 12, 16, 24.

Claytonia rubra

Claytonia sarmentosa

Phenology Flowering May–Aug.
Habitat Moist tundra and meadows
Elevation 0-2000 m (0-6600 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; BC; YT; Russia
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

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

Claytonia sarmentosa reproduces almost entirely from stolons and rhizomes.

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

Key
1. Basal leaf blades trullate; cauline leaves distinct or perfoliate
C. rubra subsp. rubra
1. Basal leaf blades lanceolate, spatulate, rhombic, or ovate; cauline leaves usually connate on only 1 side or perfoliate
C. rubra subsp. depressa
Source FNA vol. 4, p. 473. FNA vol. 4, p. 474.
Parent taxa Portulacaceae > Claytonia Portulacaceae > Claytonia
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. 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. rubra, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
Subordinate taxa
C. rubra subsp. depressa, C. rubra subsp. rubra
Synonyms Montia rubra Montia sarmentosa
Name authority (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) C. A. Meyer: Nouv. Mém. Soc. Imp. Naturalistes Moscou 1: 137. (1829)
Web links 
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