Flora of North America species comparison

multiple, erect or decumbent, zigzag;

branches along entire stem, all ± equal, antrorse, upcurved; hairy.

blade 11.2–22 × 5.2–10.2 mm, widest intersinus distance 1.2–2.4 mm;

proximal oblanceolate to elliptic, margins pinnate, lobes 4–6, perpendicular to leaf axis, 2.3–4.1 mm;

distal elliptic, base not clasping, margins pinnate, lobes 2–4, perpendicular to leaf axis, 1.4–3 mm;

abaxial surface with complex grappling-hook and needlelike trichomes, adaxial surface with complex grappling-hook and needlelike trichomes.

margins entire.

petals golden yellow, 10–11.2 × 2.9–3.8 mm, apex rounded, glabrous abaxially;

stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 7.3–8.4 × 1.3–1.9 mm, with anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 5.8–8.7 mm.

cup-shaped, 5.6–7.1 × 4–6 mm, base rounded, not longitudinally ridged.

coat anticlinal cell walls straight, papillae 3–7 per cell.