Flora of North America species comparison

erect or ascending, densely silky-strigulose.

erect or ascending, 0–2.5 cm underground, sparsely villosulous or glabrous proximally.

(5–)7–17(–20) cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 2–14 mm, scarious;

leaflets (17–)21–35, blades linear, linear-oblong, -elliptic, -lanceolate, or -oblanceolate, (3–)6–26 mm, apex obtuse and apiculate or emarginate, surfaces strigulose, sometimes glabrous adaxially.

(3–)4–12 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, (1.5–)2–6 mm, scarious;

leaflet blades narrowly oblong-elliptic, oblanceolate, linear-oblong, or oblong-obovate, (3–)5–20(–23) mm, apex acute to subobtuse or retuse, surfaces villosulous.

15–45-flowered, flowers nodding;

axis (5–)7–17 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

6–12(–14)-flowered;

axis 2.5–10 cm in fruit;

bracts 1.3–4.5 mm;

bracteoles 0–2.

erect, 6–24 cm.

erect or narrowly ascending, (4.5–)6–15 cm.

1.2–5 mm.

1–3.5 mm.

12.6–17.6 mm;

calyx (6.5–)8–11.4 mm, densely silky-strigulose, hairs white, tube 5–7.2 mm, lobes lanceolate-subulate, (1.5–)2–4.2 mm;

corolla ochroleucous, immaculate;

banner gently and slightly recurved;

keel 11.5–14.7 mm.

15.4–18.8 mm;

calyx 8.8–11.8 mm, strigulose, tube 6.3–7.5 mm, lobes lanceolate-subulate, 2.5–4.3 mm;

corolla white or lilac-tinged, drying ochroleucous;

keel (9.8–)10–12.4 mm.

spreading to pendulous, stramineous, obliquely ovoid-ellipsoid or semi-ovoid, bladdery-inflated, somewhat compressed laterally, (20–)25–43 × 13–18 mm, thin becoming papery-membranous, translucent, lustrous, sparsely strigulose;

stipe filiform, 14–40 mm, pubescent.

ascending to divaricately spreading or somewhat declined, set at angle to stipe, stramineous or brownish, straight or slightly incurved, inflated, scarcely bladdery, (10–)13–24(–32) × 6–12 mm, thinly fleshy, glabrous;

stipe (4–)5–12 mm.

(16–)18–30.

= 22.

= 22.