Flora of North America species comparison

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Claytonia rubra

Claytonia rubra subsp. depressa

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

cushion miner's-lettuce, red stem spring beauty
Habit Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. Plants annual.
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 lanceolate, spatulate, rhombic, or ovate.
Cauline leaves

usually connate on only 1 side 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.

= 24, 36.

Claytonia rubra

Claytonia rubra subsp. depressa
Phenology Flowering Feb–Apr.
Habitat Sand spits, fallow fields, shrublands
Elevation 0-500 m (0-1600 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; NV; OR; UT; WA; 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. 473.
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. rubra
Subordinate taxa
C. rubra subsp. depressa, C. rubra subsp. rubra
Synonyms Montia rubra C. parviflora var. depressa, C. perfoliata var. depressa, Montia perfoliata var. depressa
Name authority (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) (A. Gray) John M. Miller & K. L. Chambers: Novon 3: 270. (1993)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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