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

Great Basin claytonia, Great Basin springbeauty, umbellate springbeauty

Habit Plants annual, with minute, tuberous bodies; periderm absent. Plants perennial, with globose tubers 10–50 mm diam., mature plants rhizomatous; periderm 5–20 mm.
Stems

5–50 cm.

2–25 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 leaves somtimes absent, petiolate, 5–25 cm, blade elliptic to rhombic, 1–3 × 0.2–2 cm;

cauline leaves petiolate, blade elliptic to ovate 1.5–5 × 1–3 cm, abruptly tapered at base.

Inflorescences

1-bracteate;

bract leaflike, 0.5–15 mm.

ebracteate.

Flowers

3–10 mm;

sepals 1.5–4 mm;

petals pink or white, 2–5 mm;

ovules 3.

8–14 mm diam.;

sepals 5–7 mm;

petals pink to magenta, 6–12 mm;

ovules 6.

Seeds

2–5 mm, shiny and smooth;

elaiosome 1–3 mm.

1–2 mm, smooth and shiny;

elaiosome 1 mm or less.

2n

= 12, 24, 36, 48, 60.

= 16.

Claytonia perfoliata

Claytonia umbellata

Phenology Flowering May–Aug.
Habitat North- and east-facing talus and scree slopes of drier mountain areas, subalpine coniferous forests
Elevation 100-3000 m [300-9800 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
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

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

Of conservation concern.

(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. 475. 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. 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. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. virginica, C. washingtoniana
Subordinate taxa
C. perfoliata subsp. intermontana, C. perfoliata subsp. mexicana, C. perfoliata subsp. perfoliata
Synonyms Montia perfoliata
Name authority Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) S. Watson: Botany (Fortieth Parallel), 43, plate 6, figs. 4, 5. (1871)
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