Flora of North America species comparison

prostrate or diffuse, 1–6+ cm underground, minutely strigulose.

ascending to ± erect, usually strigulose, sometimes glabrescent.

1–6.5 cm;

stipules connate-sheathing at least at proximal nodes, often becoming anthocyanic and somewhat enlarged at distal nodes, 3–6 mm, thinly herbaceous becoming papery;

leaflet blades elliptic to oblong, 1.5–8 mm, apex obtuse to retuse, surfaces strigulose, sometimes glabrous or glabrate adaxially.

3–13 cm;

stipules connate throughout, 4–10 mm, scarious or subherbaceous;

leaflets 15–29, blades narrowly elliptic, (3–)5–12(–18) mm, apex rounded or slightly retuse, surfaces strigulose.

1–5-flowered;

axis 1–3 cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

4–15-flowered, flowers ascending-erect;

axis 0.5–2.5 cm in fruit;

bracts 2–3 mm;

bracteoles 0.

ascending, (2.5–)3–10 cm.

1–10 cm.

1.8–4 mm.

1 mm.

12–20 mm;

calyx 6–6.7 mm, black-strigose to glabrate, tube 3–4.7 mm, lobes triangular-acuminate to linear, 1–2.5 mm;

corolla keel 11.2–13.7 mm.

16–22 mm;

calyx cylindric, 7–10 mm, sparsely or densely strigulose, sometimes also pilosulous, tube 5–7.8 mm, lobes linear, 2.5–5.5 mm;

corolla blue-violet, pale blue, or pale lilac, often drying yellowish;

keel 12–15 mm.

pale green with purple dots, curved in 0.5–1 spiral, laterally compressed, 30–50 × 50–75 mm, papery-membranous, semitransparent, minutely strigose;

gynophore 4–10 mm.

ascending to spreading or erect, straight or slightly incurved, narrowly oblong to narrowly ellipsoidal, 12–15 × 3 mm, widely keeled ventrally, sulcate dorsally, thin, densely hirsutulous with white hairs;

stipe 0.5 mm.

= 22.

= 16.