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

Indian-lettuce, linear leaf springbeauty, narrow leaf miner's lettuce, small-flower miner's lettuce, small-flower springbeauty, streambank spring-beauty

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

5–50 cm.

5–30 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.

blades green or pink, not glaucous;

basal leaves petiolate, blade linear (sometimes filiform), narrowly lanceolate, spatulate, or rhombic, 1–15 × 0.5–1 cm;

cauline leaves sessile, blade linear and 0.5–4 cm, or perfoliate and 10 cm or less diam.

Inflorescences

1-bracteate;

bract leaflike, 0.5–15 mm.

1-bracteate;

bract 0.5–15 mm, leaflike.

Flowers

3–10 mm;

sepals 1.5–4 mm;

petals pink or white, 2–5 mm;

ovules 3.

2–12 mm diam.;

sepals 1.5–4 mm;

petals white or pink, 2–8 mm;

ovules 3.

Seeds

2–5 mm, shiny and smooth;

elaiosome 1–3 mm.

1–2.5 mm diam., shiny and smooth or with low tubercles, not pebbly;

elaiosome 1–3 mm.

2n

= 12, 24, 36, 48, 60.

= 12, 24, 36, 48.

Claytonia perfoliata

Claytonia parviflora

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
AZ; CA; ID; MT; NV; OR; UT; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

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

Subspecies 4 (4 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
1. Cauline leaves distinct and linear or trullate or deeply cleft into 2 ovate segments
subsp. viridis
1. Cauline leaves perfoliate or slightly cleft
→ 2
2. Basal leaf blades spatulate, 0.3-1 cm wide; desert ranges
subsp. utahensis
2. Basal leaf blades filiform to linear, 0.05-0.5 cm wide; Sierra Nevada, interior valleys, coast
→ 3
3. Flowers 2-8 mm diam.; Sierra Nevada, interior valleys, coast
subsp. parviflora
3. Flowers 10-12 mm diam.; Sierra Nevada foothills
subsp. grandiflora
Source FNA vol. 4, p. 472. FNA vol. 4.
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. arenicola, C. caroliniana, C. cordifolia, C. exigua, C. gypsophiloides, C. lanceolata, C. megarhiza, C. multiscapa, C. nevadensis, C. ogilviensis, C. palustris, 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
C. parviflora subsp. grandiflora, C. parviflora subsp. parviflora, C. parviflora subsp. utahensis, C. parviflora subsp. viridis
Synonyms Montia perfoliata C. perfoliata var. parviflora, Montia perfoliata var. parviflora
Name authority Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) Douglas ex Hooker: Fl. Bor.-Amer. 1: 225, plate 73. (1832)
Web links