Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

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.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

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

axis 15–25 cm in fruit;

bracts 2.5–6 mm;

bracteoles 2.

(2–)4–11 cm.

ascending, (4–)6–13 cm.

0.6–1.5 mm.

1–4.5 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 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.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

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.

12–16.

(35–)39–48.

= 22.