Flora of North America species comparison

1–5+, decumbent to erect, branched, herbaceous, often striate, leafy.

1–20+, procumbent or decumbent, branched, herbaceous, leafy, proximally covered by small, persistent leaves.

irregularly pinnate;

stipules glandlike, conic; petiolate or sessile;

rachis 2–3.5(–5.5) mm, not flattened;

leaflets 7–9(–12), blades usually elliptic to obovate, sometimes ovate, apex acute to obtuse, surfaces sparsely to densely puberulent or villosulous to strigillose.

pinnate to subpalmate (distal);

stipules conic;

proximal short-petiolate or sessile, distal subsessile to short-petiolate;

rachis 0–4 mm, sometimes flattened;

leaflets (3 or)4 or 5(or 6), blades obovate to oblanceolate (proximal ± orbiculate), apex acute to rounded, surfaces villous to tomentose.

3–9(–11)-flowered.

1–3(–5)-flowered.

ascending or spreading, 10–80 mm, longer than leaves;

bract 1(–3)-foliolate, distal.

ascending or reflexed, upturned, (5–)20–50 mm, longer than leaves;

bract absent (reduced to gland) or 1(–3)-foliolate, distal.

12–25 mm;

calyx (4.5–)5.5–10 mm, tube villosulous, lobes subulate;

corolla greenish white, white or yellow, fading to rose or reddish, claws shorter than calyx tube, banner ascending 45–90°, wings longer than banner and keel;

style nearly straight or basally curved, glabrous.

(10–)13–22 mm;

calyx 4.3–7 mm, tube densely villous, lobes subulate;

corolla cream to orange-yellow, rose-tinted, claws shorter than calyx tube, banner obliquely ascending, wings longer than banner and keel, auriculate, spurred;

style ± straight, glabrous.

persistent, exserted, brown, linear-oblong, straight, turgid, sometimes slightly constricted, incompletely septate, 25–42(–70) × 2–3 mm, leathery, apex short hook-beaked, dehiscent, smooth, margins smooth, thickened, glabrate.

persistent, exserted, erect, reddish brown, straight, turgid, not constricted, imperfectly septate, linear-oblong, 15–30 × (2–)2.5–3 mm, ± leathery, apex short-beaked, dehiscent, smooth, margins smooth, strigillose.

5–9, olive to reddish brown, mottled, broadly ovoid, smooth.

5–8, olive green to brown, ± mottled, oblong, smooth.

= 14.