Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

mostly reduced to crowns, usually obscured by marcescent leaf bases or stipules.

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.

dimorphic, most proximal ones reduced to phyllodia, sessile;

leaflets 0(or 3–7), jointed.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

sometimes subumbellate, loosely or compactly flowered, flowers ascending.

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

0.3–1.7 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.

pink to purple, ochroleucous, or whitish, banner recurved through 45–90°, keel apex obtuse.

tubes campanulate or turbinate-campanulate.

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.

eventually deciduous or nearly persistent, sessile, erect or ascending (humistrate), ellipsoid to linear, oblong, or lanceoloid, usually laterally compressed, with sutures protruding, sometimes bluntly 3-sided and sulcate abaxially, unilocular.

4–12.

4–24.

malpighian, herbage usually silvery.

connate.

= 24.