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FNA | Family List | FNA Vol. 4 | Portulacaceae | Claytonia

17. Claytonia rubra (Howell) Tidestrom, Contr. U.S. Natl. Herb. 25: 188. 1925.

Erubescent miner’s-lettuce

Montia rubra Howell, Erythea 1: 38. 1893

Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. 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. 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.

Subspecies 2 (2 in the flora): w North America.


1 Basal leaf blades trullate; cauline leaves distinct or perfoliate   17b subsp. rubra
+ Basal leaf blades lanceolate, spatulate, rhombic, or ovate; cauline leaves usually connate on only 1 side or perfoliate...   17a subsp. depressa


 

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