Flora of North America species comparison

prostrate to ascending, strigulose.

erect or ascending, strigulose.

(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.

mostly in sub-basal cluster, (6–)10–30 cm;

stipules connate-sheathing at proximal nodes, mostly connate at distal nodes, 3–10(–11) mm, scarious throughout;

leaflets (9–)13–25(–31), blades linear-oblong, linear-elliptic, lanceolate, or subfiliform, 3–23 mm, apex obtuse, acute, or retuse, surfaces sparsely strigulose abaxially, usually glabrous adaxially;

terminal leaflet sometimes continuous with rachis.

(2–)5–18-flowered, flowers nodding;

axis (1.5–)3–17 cm in fruit;

bracts (0.8–)1–2.5 mm;

bracteoles usually 0.

7–20-flowered, flowers ascending to spreading;

axis (3–)4–13(–15) cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

incurved-ascending, (1.5–)3–16.5 cm.

erect, sometimes divergent in fruit, 5–33 cm, together with racemes longer than stems.

(1.5–)2–6.5 mm.

1–4.5 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.

15–25.5 mm;

calyx campanulate, cylindric, or subcylindric, 7–12 mm, strigulose-pilosulous, tube 4.9–9.2 mm, lobes subulate, 1.3–3(–4) mm;

corolla whitish with keel tip purple, sometimes banner and wings also purple-tipped, sometimes purple throughout;

banner recurved through 30–45°, oblanceolate or broadly rhombic-oblanceolate, 16–25.5 mm, apex emarginate;

keel 11.6–17.5 mm.

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.

stramineous, straight or slightly incurved, oblong-ellipsoid to narrowly oblong-ovoid, obcompressed, 12–25 × 4.3–8 mm, sub-bilocular, fleshy becoming leathery or subligneous, glabrous or strigulose;

septum to 1.4 mm wide;

sessile.

10–29.

15–30.