Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

ascending to ± erect, usually strigulose, sometimes glabrescent.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous 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.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

4–15-flowered, flowers ascending-erect;

axis 0.5–2.5 cm in fruit;

bracts 2–3 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

1–10 cm.

0.5–2.3 mm.

1 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

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.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

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.

= 24.

= 16.