Flora of North America species comparison

decumbent, long shoots only, all branches green, densely tomentose to sparsely strigose, tips soft.

blade linear or linear-lanceolate, 5–25 × 0.9–4 mm, ape\× acute or mucronate, surfaces strigose, lacking glandular hairs.

blade linear to ovate, on long shoots to 10 × 0.7–1 mm, on short shoots 3–5 × 0.7–2 mm, ape\× obtuse, surfaces strigose to villous, lacking glandular hairs.

terminal, secund racemes.

axillary, solitary flowers (on both long and short shoots, often appearing clustered in short shoots).

sepals spreading, purple, lanceolate, 8–16 mm;

secretory petals pink, orange, or red, 1.5–3 mm, with oil-filled blisters on distal 1/2 of outer surfaces and distal margin;

petaloid petals 5–7 mm, connate basally, distinct portions green basally, purple or pink distally, reniform, 1–3 mm;

stamens equal;

ovary strigose;

style pink.

sepals ± cupped around petals and gynoecium, pink, ovate to oblong, 7–10 mm;

secretory petals dark pink to brick red, 2–3 mm, with oil-filled blisters mostly on distal portions of outer surfaces;

petaloid petals 5–6 mm, connate basally, distinct portions yellow or green basally, purple or dark pink tinged with lavender or purple distally, oblanceolate to reniform, 2–3 mm;

stamens didynamous;

ovary strigose;

style greenish white.

circular or slightly cordate in outline, with longitudinal ridge on each face, 5–8 mm diam., hairy, spines stout, 1.8–5.3 mm, each bearing conspicuous white hairs proximally and minute, retrorse barbs near tip.

circular to cordate in outline, with longitudinal ridge on each face, 5–6 mm diam., sparsely to moderately strigose, spines stout, 0.5–1.5 mm, each glabrous, sometimes with minute serrations near tip.

= 12.

= 12.