Flora of North America species comparison

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

prostrate to ascending or 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.

distal leaves often unifoliolate, leaflets and rachis often expanded into flat, grasslike blade, 1.5–7 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, distinct or basally connate and herbaceous at distal nodes, 1–3 mm;

petiole flattened or short and continuous with rachis;

leaflets 1–7, blades narrowly elliptic, linear, oblanceolate, or lanceolate, 4–47(–67) × 1–5 mm, apex acute or acuminate, surfaces usually strigose, sometimes glabrous adaxially;

terminal leaflet longer, sometimes 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.

(1 or)2–8-flowered, flowers ascending;

axis 0.5–3 cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

incurved-ascending, 2–15 cm.

0.5–2.3 mm.

1.8–4 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.

8–13.5 mm;

calyx (3.5–)4.4–6.7 mm, strigose, tube 3.2–4.7 mm, lobes broadly subulate, 1–2 mm;

corolla greenish white, often tinged with purple;

banner recurved through 50–80°;

keel 7.8–11 mm, apex broadly triangular.

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

ascending to declined, stramineous, straight or slightly decurved, narrowly oblong, strongly laterally compressed, bicarinate, 10–17 × 2.7–4 mm, papery, strigose;

stipe 0.5–1.3 mm.

10–16.

= 24.