Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

erect or ascending, strigulose, canescent, cinereous, or greenish cinereous.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

dimorphic, some unifoliolate distally and reduced to phyllodia, continuous with rachis, 2–10 cm;

stipules distinct throughout, 1–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (1 or)3–19, blades linear, oblong, cuneate-oblong, or ovate, (3–)4–20 mm, apex acute, obtuse, truncate or retuse, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

(2–)5–30-flowered, flowers spreading-declined;

axis 3–20 cm in fruit;

bracts 0.5–3.2 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect or incurved-ascending, (4–)6.5–30 cm.

0.5–2.3 mm.

0.8–2.5 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

12–19 mm;

calyx purplish, cylindric, 4.5–8 mm, strigose, tube 4–6.7 mm, lobes broadly subulate, 0.6–2.3 mm;

corolla pink-purple;

banner recurved through 35–50°;

keel 9–13 mm, apex bluntly or sharply deltate.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

pendulous, green or reddish becoming stramineous, straight or gently decurved, oblong to oblanceoloid, strongly compressed, flattened laterally, 19–35 × (3–)3.5–6 mm, stiffly papery, glabrous;

stipe 4–11 mm.

14–20.

= 24.