Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

prostrate or weakly ascending, 1.5–9+ cm underground, sparsely strigulose.

mostly reduced to phyllodia, few with leaflets, 0.8–10 cm;

stipules connate-sheathing throughout, 2–7 mm, papery-scarious;

leaflets 0(or 3–5), blades (phyllodia) oblanceolate to linear, 4–30 mm, apex acute, mucronate, or spinulose, surfaces strigose;

terminal leaflet often confluent with rachis.

1–7 cm;

stipules connate-sheathing and papery-membranous throughout, (1.3–)2–5 mm;

leaflets (7 or)9–17, blades elliptic to oblong, 1.5–6 mm, apex emarginate, retuse, or obtuse, surfaces strigulose abaxially, glabrous adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

loosely 1–3(–6)-flowered;

axis 3–13 mm;

bracts 0.7–2 mm;

bracteoles 0.

erect or ascending, outer ones often prostrate in fruit, 0.4–9 cm.

decumbent (in fruit), (1.5–)2–7 cm.

0.3–1.7 mm.

1–2 mm.

5.7–9.5 mm;

calyx 2.6–5 mm, strigose, tube 1.9–3.4 mm, lobes subulate, 0.5–2.5 mm;

corolla pink purplish to ochroleucous or whitish;

banner recurved through 45°;

keel 4–6 mm.

10–16 mm;

calyx 4.6–7, black-strigulose, tube 3.4–6 mm, lobes triangular to lanceolate, 1–2.5 mm;

corolla usually pink-purple, rarely white;

banner recurved through 45°;

keel 9–9.7 mm.

erect, pale green tinged purple, with red-mottle, becoming brown or stramineous, straight or slightly curved, lanceoloid to lanceoloid-oblong, 2-sided, laterally compressed, 4–13 × 1.5–3.3 mm, papery, usually strigose, rarely glabrous;

sessile.

loosely ascending, green, often red-tinged, straight or slightly curved, ovoid, strongly turgid or bladdery, (15–)18–43 × 4.5–12(–15) mm, papery-membranous, black-strigose;

gynophore 0–1 mm.

4–12.

8–17.

= 24.

= 24.