Flora of North America species comparison

prostrate to ascending, strigulose.

stiffly erect or ascending, or finally straggling and supported on bushes, fistulose, glabrous.

(1.5–)3–14(–14.5) cm;

stipules distinct, 1–5 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 7–15, blades oblong-oblanceolate, elliptic, oval-oblong, linear-oblong, linear-elliptic, or linear-setaceous, 1.5–16 mm, apex obtuse, retuse, subacute, or emarginate, surfaces strigulose abaxially, strigulose or glabrous adaxially;

terminal leaflet sometimes decurrent distally, jointed to or continuous with rachis.

(4.5–)6–17 cm;

stipules distinct, 2–14 mm, herbaceous becoming papery;

leaflets (17 or)19–35, blades broadly lanceolate to oblong-ovate or oblong-obovate, 6–33 mm, apex retuse or truncate-obtuse, surfaces mostly glabrous, margins and midribs sparsely strigulose.

(2–)5–18-flowered, flowers nodding;

axis (1.5–)3–17 cm in fruit;

bracts (0.8–)1–2.5 mm;

bracteoles usually 0.

(15–)20–60(–75)-flowered, flowers ascending;

axis (3–)4–19 cm in fruit;

bracts 1.2–3 mm;

bracteoles 0–2.

incurved-ascending, (1.5–)3–16.5 cm.

erect or incurved-ascending, 1.5–6(–7) cm.

(1.5–)2–6.5 mm.

1–3.5 mm.

6.3–13.4 mm;

calyx 3–7.6 mm, strigulose, tube 2.3–5.6 mm, lobes subulate, 0.7–2.6 mm;

corolla whitish or dirty white, sometimes veined, tipped, margined, or suffused with purple, or faintly tinged lavender;

keel 6–10 mm.

10.5–12.5 mm;

calyx campanulate, 4.5–6 mm, sparsely strigulose, tube 3.5–4.6 mm, lobes deltate or subulate, 0.8–1.8 mm;

corolla ochroleucous, rarely tinged purplish, drying brownish;

banner abruptly recurved through 70–90°;

keel 9–10.8 mm, apex sharply triangular.

pendulous, green, purplish, or mottled, decurved or straight, linear-oblong, linear-oblanceoloid, or narrowly ellipsoid, compressed, ventral suture convex in profile or at least beak declined from body, 10–22 × 2.3–4.3 mm, unilocular or bilocular, thinly fleshy becoming papery or leathery, strigulose;

septum (0 or)0.6–2.7 mm wide;

stipe 0–2 mm, concealed within calyx when present.

persistent on receptacle, erect, stramineous, straight, obliquely ovoid-acuminate, greatly inflated, scarcely bladdery, terete or somewhat dorsiventrally compressed, 15–25 × (8.5–)10–16 mm, fleshy becoming stiffly papery, glabrous or minutely strigulose.

10–29.

44–58.

= 22.