Flora of North America species comparison

very short, densely tufted, branched.

erect, solitary, branched, robust, succulent, hirsutulous.

cauline, densely tufted or crowded near base;

free blades of stipules reduced, 1 mm;

petiole 0.4–1.5 cm;

leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous.

cauline;

stipules 6–9 mm;

proximal petioles 5–7 cm, withering, distal ones 3.5–6.5 cm;

leaflets 7–10, blades 30–95 × 5–13 mm, abaxial surface finely strigulose, adaxial surface glabrate, yellow-green or gray-green.

flowers solitary or paired, axillary.

5–34 cm;

flowers whorled or spirally arranged.

1.5–4 mm;

bracts persistent, 1 mm.

4–5 cm;

bracts semi-deciduous, 5–7 mm.

1 mm.

2–8(–10) mm.

4–5 mm;

calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm;

corolla banner white, wings and keel purplish, keel glabrous.

10–14 mm;

calyx abaxial lobe ± slightly gibbous, 9–15 mm, adaxial lobe slightly notched, 7–11 mm;

corolla pale blue and whitish, banner with conspicuous darker spot, banner glabrous or hairy abaxially, keel falcate, often ± ciliolate distally.

0.6–1 cm, pilose.

3.5 × 0.8–1 cm, hirsute.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2.

5–7.

= 48.