Flora of North America species comparison

erect or stiffly ascending, stout, with 5–10 well-developed internodes, pilose and tomentulose.

ascending to erect or sprawling, flexuous, (0–)1–8 cm underground, leafless, strigulose, hairs appressed.

(9–)13–35 cm;

stipules distinct 6–17 mm, herbaceous;

leaflet blades broadly to narrowly elliptic, ovate, oblong-elliptic, or rhombic-elliptic, (7–)10–55 mm, apex acute or abruptly short-acuminate, often callous-apiculate, surfaces pilose and tomentulose.

2–13 cm;

stipules connate-sheathing and papery at proximal nodes, distinct or obscurely connate subherbaceous or firmly papery at distal nodes, 1–5.5 mm;

leaflets 9–17, blades oblanceolate to linear, 3–20(–25) mm, apex obtuse to retuse, surfaces strigose abaxially, glabrous adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

9–27-flowered, flowers ascending to declined;

axis 2–11.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

erect, (8–)10–27 cm, together with racemes shorter than stems.

1–6.5 cm.

(1.2–)1.5–9 mm.

0.7–3.5 mm.

(14.4–)15.5–22 mm;

calyx (7.8–)10–14.7 mm, silky-pilose or tomentulose, tube (6–)7–8.7 mm, lobes lanceolate-acuminate or linear-lanceolate, 3–6.5 mm;

corolla immaculate;

keel (11.5–)12–15.1 mm.

6.4–8.7 mm;

calyx campanulate, 3.3–5.4 mm, strigose, tube 2.3–3.3 mm, lobes broadly subulate or triangular, 0.8–2.2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 6–7.2 mm, apex triangular and beaklike.

stiffly erect, becoming brownish stramineous then blackish, 15–25 × 8–13 mm, fleshy becoming leathery, glabrous.

spreading to declined, purple-mottled, straight, ovoid, ellipsoid, or subglobose, bladdery-inflated, 17–32 × 12–22 mm, papery, strigose;

sessile.

21–32.

= 22.

= 22.