Flora of North America species comparison

gradually ramified distally.

gradually ramified distally.

semiprostrate to suberect, 3–8 cm.

± erect, becoming lax with age, 20–60 cm.

basal leaves withering at or immediately following anthesis, ± sessile or tapered to broad petiole, blade oblanceolate, ± flattened, 3–8 cm, margins entire, apex acute to obtuse;

cauline leaves absent.

basal leaves withering after anthesis, abruptly or gradually narrowed to broad petiole, blade oblanceolate, 5–25 cm, margins entire, apex acute to obtuse;

cauline leaves withering after anthesis, alternate, ± sessile, distalmost intergrading with bracts, reduced, blade lanceolate or linear-lanceolate, 15–125 mm, margins entire, apex acute to obtuse.

flowers borne singly on peduncles;

bracts 2, ovate to broadly lanceolate, 5–7 mm, margins entire, apex acute to acuminate.

3–7-branched paniculate cymes, 20–100-flowered;

bracts alternate proximally, 2 at each flowering node distally, ovate to orbiculate, 10–20 mm, margins glandular-toothed, apex acute proximally to rounded distally.

sessile, not disarticulate in fruit;

sepals 2, decussate with bracts, ovate, 4–9 mm, herbaceous, margins entire, not glandular, apex acute;

petals 5–9, white, sometimes with pink veins, or pinkish, obovate, 12–26 mm;

stamens 9–15;

stigmas 5–8.

pedicellate, not disarticulate in fruit;

sepals 2, suborbiculate to broadly obovate, 2–4 mm, herbaceous at anthesis, margins glandular-toothed, apex truncate to rounded;

petals 6–7, pale pink, veins magenta, base yellow-green, obovate, 7.5–10 mm;

stamens 4–5;

stigmas 3;

pedicel 5–10 mm.

6–9 mm.

3–4 mm.

40–50, 1.5 mm, shiny.

2 mm, shiny.

= 20.

= ca. 24.