Flora of North America species comparison

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

decumbent-ascending to erect, strigulose.

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.

(2–)4–17 cm;

stipules 4–13(–16) mm, papery-scarious, pallid;

leaflet blades oblong to elliptic, (4–)7–27(–33) mm, apex acute or obtuse, surfaces sparsely to moderately strigose, sometimes glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

(7–)10–50-flowered;

axis (0.6–)1–9(–13) cm in fruit;

bracts 2–8 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

erect or incurved-ascending, (3–)4–14(–16.5) cm.

0.5–2.3 mm.

to 0.8 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.

11.5–19.5 mm;

calyx [4.8–]5.6–10.5 mm, strigulose, tube [3–]4–7 × 2–3.2 mm, lobes subulate or subulate-setaceous, 0.4–4.2 mm;

corolla keel 8–15 mm.

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

stramineous, ovoid-, oblong-, or lanceoloid-ellipsoid, or narrowly oblong, [5.5–]6–12 × 2.3–4 mm, thin becoming papery, strigulose;

stipe 0–1.8 mm.

= 24.