Flora of North America species comparison

obscured by stipules and leaf bases.

few, decumbent or prostrate to ascending, (0–)1.5–13 cm underground, hirsutulous.

erect, 1–4 cm;

stipules 1.5–3 mm, membranous becoming papery;

leaflets 9–15(or 17), blades linear to narrowly elliptic, 1–5 mm, apex obtuse to acute, surfaces strigose;

terminal leaflet often decurrent distally, not jointed to rachis.

4.5–14 cm;

stipules 2–7 mm, stramineous or whitish-papery at proximal nodes, submembranous at distal nodes;

leaflets 15–29, blades obovate to oblong or elliptic, 3–25 mm, apex obtuse to emarginate, surfaces hirtellous abaxially, glabrous adaxially.

3–7-flowered, flowers spreading;

axis 0.2–1 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

10–24-flowered, flowers ascending-spreading;

axis 1.2–10 cm in fruit;

bracts 3–5 mm;

bracteoles 0–2.

erect, 0.5–3.5 cm, together with racemes subequal to or ± surpassing leaves.

incurved-ascending, procumbent in fruit, 4–12 mm.

1–2.5 mm.

1–2.5 mm.

5–6.5 mm;

calyx 2.3–3 mm, strigose, tube 1.5–2 mm, lobes subulate, 0.5–1 mm;

corolla pink-purple or white;

keel 3.7–4.4 mm.

16–22 mm;

calyx cylindric, 10–15 mm, hirsutulous, tube 7–12 mm, lobes linear-subulate, 2–6.2 mm;

corolla dull pink-purple;

keel 16–17 mm.

green with purple mottling, slightly curved, subglobose, 10–17 × 7–11 mm, papery-membranous, strigose.

firmly attached to receptacle, falling while still attached to pedicel, declined to ascending (sometimes humistrate), brown or purple-dotted, incurved through 0.25–0.5 spiral, oblong, laterally compressed, sides convex, elliptic in cross section, dorsal suture forming a prominent ridge, 25–40 × 5–8 mm, bilocular, middle narrower or not wider than high in cross section, ± fleshy becoming papery, hirsutulous, hairs 0.3–0.5 mm;

stipe 2–3 mm.

10–14.

24–30.