The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Indian lettuce, miner's-lettuce, miner's-lettuce spring-beauty, winter purslane

Henderson's claytonia, sand claytonia, sand springbeauty, Snake Canyon springbeauty

Habit Plants annual, with minute, tuberous bodies; periderm absent. Plants annual, with minute, tuberous body; periderm absent.
Stems

5–50 cm.

2–10 cm.

Leaves

basal leaves in suberect to erect, seldom flattened rosettes, petiolate, 1–30 cm, blade often with weak red pigmentation, broadly rhombic to deltate or reniform, 1–7 × 0.5–5(–6) cm, apex obtuse to apiculate, mucro 1–3 mm;

cauline leaves sessile, blade perfoliate or cleft or notched, 10 cm diam. or less.

basal leaf blades linear to narrowly lanceolate, 1–5 × 0.05–0.2 cm;

cauline leaves sessile, blade linear, 1–3 cm.

Inflorescences

1-bracteate;

bract leaflike, 0.5–15 mm.

multi-bracteate;

proximalmost bract 5–10 mm, leaflike, distal bracts 1 mm or less, reduced to membranous scales.

Flowers

3–10 mm;

sepals 1.5–4 mm;

petals pink or white, 2–5 mm;

ovules 3.

10–12 mm diam.;

sepals 1.5–2.5 mm;

petals white, pink, or candy-striped, 6–10 mm;

ovules 6.

Seeds

2–5 mm, shiny and smooth;

elaiosome 1–3 mm.

(1–)6, 1–2 mm, shiny and smooth;

elaiosome 1 mm or less.

2n

= 12, 24, 36, 48, 60.

= 12.

Claytonia perfoliata

Claytonia arenicola

Phenology Flowering early Mar.
Habitat Selaginella mats and crevices of cliffs and rock faces in Great Basin sagebrush and ponderosa pine belt
Elevation 200-1200 m [700-3900 ft]
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; BC; Central America (Guatemala); adventive in Europe; Pacific Islands (New Zealand)
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; MT; OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

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

Key
1. Basal leaf rosettes erect, 20-50 cm; cauline leaf pairs connate into perfoliate discs, blade margins entire; seeds 3-5 mm
subsp. perfoliata
1. Basal leaf rosettes suberect to flattened, 2-30 cm; cauline leaf pairs perfoliate, blade margins notched or deeply cleft; seeds 2-4 mm
→ 2
2. Basal leaf blades ovate to broadly rhombic, apex obtuse; leaf blades often beet red, gray-green, or purplish; epidermal gas pockets easily seen in field; seeds 3-4 mm
subsp. intermontana
2. Basal leaf blades deltate, apex apiculate; leaf blades mostly green; not beet red; epidermal gas pockets usually not visible (except in populations of California Transverse Ranges); seeds 2-3 mm
subsp. mexicana
Source FNA vol. 4, p. 472. Treatment author: John M. Miller. FNA vol. 4, p. 467. Treatment author: John M. Miller.
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. rosea, C. rubra, C. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
C. acutifolia, C. arctica, 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. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
Subordinate taxa
C. perfoliata subsp. intermontana, C. perfoliata subsp. mexicana, C. perfoliata subsp. perfoliata
Synonyms Montia perfoliata Montia arenicola
Name authority Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) L. F. Henderson: Bull. Torrey Bot. Club 22: 49. (1895)
Web links