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

Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty

Habit Plants annual, with minute, tuberous bodies; periderm absent. Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm.
Stems

5–50 cm.

2–15 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 sometimes absent, petiolate, blade linear to narrowly spatulate, 1–7 × 0.4–2 cm, apex acute to obtuse;

cauline leaves petiolate, blade linear, 2–5 cm, apex acute to obtuse.

Inflorescences

1-bracteate;

bract leaflike, 0.5–15 mm.

multibracteate, rarely 1-bracteate;

proximalmost bract leaflike, distal bracts reduced to membranous scales.

Flowers

3–10 mm;

sepals 1.5–4 mm;

petals pink or white, 2–5 mm;

ovules 3.

8–14 mm diam.;

sepals 3–5 mm;

petals pink, rose, or magenta, 8–10 mm;

ovules 6.

Seeds

2–5 mm, shiny and smooth;

elaiosome 1–3 mm.

2–3 mm, shiny and smooth;

elaiosome 1–2 mm.

2n

= 12, 24, 36, 48, 60.

= 16.

Claytonia perfoliata

Claytonia rosea

Phenology Flowering Feb–May.
Habitat Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts
Elevation 800-2400 m [2600-7900 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
AZ; CO; NM; UT; Mexico
[WildflowerSearch map]
Discussion

Subspecies 3 (3 in the flora).

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

Claytonia rosea is morphologically distinct from C. lanceolata based on early cytological and ecological study of the two species by D. K. Halleck and D. Wiens (1966) and the author’s review of type material.

(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. 472. 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. 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 C. lanceolata var. rosea
Name authority Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) Rydberg: Bull. Torrey Bot. Club 31: 404. (1904)
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