Flora of North America species comparison

prostrate or diffuse, 1–6+ cm underground, minutely strigulose.

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

1–6.5 cm;

stipules connate-sheathing at least at proximal nodes, often becoming anthocyanic and somewhat enlarged at distal nodes, 3–6 mm, thinly herbaceous becoming papery;

leaflet blades elliptic to oblong, 1.5–8 mm, apex obtuse to retuse, surfaces strigulose, sometimes glabrous or glabrate adaxially.

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.

1–5-flowered;

axis 1–3 cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

10–24-flowered, flowers ascending-spreading;

axis 1.2–10 cm in fruit;

bracts 3–5 mm;

bracteoles 0–2.

ascending, (2.5–)3–10 cm.

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

1.8–4 mm.

1–2.5 mm.

12–20 mm;

calyx 6–6.7 mm, black-strigose to glabrate, tube 3–4.7 mm, lobes triangular-acuminate to linear, 1–2.5 mm;

corolla keel 11.2–13.7 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.

pale green with purple dots, curved in 0.5–1 spiral, laterally compressed, 30–50 × 50–75 mm, papery-membranous, semitransparent, minutely strigose;

gynophore 4–10 mm.

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.

24–30.

= 22.