Flora of North America species comparison

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

reduced to crowns or developed, to 6 cm, internodes to 1.5 cm, strigulose.

(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.

6–18 cm;

stipules 4–9 mm, papery;

leaflets (15 or)17–29, blades obovate to elliptic, 4–19 mm, apex obtuse, acute, or retuse, surfaces strigulose.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

loosely (9–)12–22(–25)-flowered, flowers spreading or declined;

axis 15–25 cm in fruit;

bracts 2.5–6 mm;

bracteoles 2.

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

ascending, (4–)6–13 cm.

(1.2–)1.5–9 mm.

1–4.5 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.

18–22 mm;

calyx cylindric to deeply and broadly campanulate, 11.3–15 mm, strigulose, tube 8.2–10.6 mm, lobes subulate or lanceolate-subulate, 2.3–4.6 mm;

corolla pink-purple;

banner recurved through 40°;

keel 16.3–18 mm.

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

ascending (humistrate), green or purple-tinged becoming stramineous or brownish, gently recurved, obliquely oblong-ellipsoid, obcompressed in proximal 1/2, 25–50 × 7–13 mm, unilocular or appearing partially bilocular, valves 1–2 mm thick, thickly fleshy becoming rigidly woody, strongly reticulate, strigulose; didymous, septum forming a narrowly tubular or 3-sided cavity throughout, sutures subcontiguous.

(35–)39–48.

= 22.

= 22.