Flora of North America species comparison

erect or stiffly ascending, stout, with 5–10 well-developed internodes, pilose and tomentulose.

erect, with several elongated internodes, strigulose.

(9–)13–35 cm;

stipules distinct 6–17 mm, herbaceous;

leaflet blades broadly to narrowly elliptic, ovate, oblong-elliptic, or rhombic-elliptic, (7–)10–55 mm, apex acute or abruptly short-acuminate, often callous-apiculate, surfaces pilose and tomentulose.

5–10 cm;

stipules 7–11 mm, membranous or thinly herbaceous distally;

leaflet blades linear, narrowly oblong, or elliptic, 18–34 mm, apex rounded to retuse, surfaces strigulose abaxially, glabrous adaxially.

(15–)20–55(–65)-flowered;

axis (3–)5–20(–24) cm in fruit;

bracts 2–6 mm;

bracteoles 0.

(12–)16–30(–35)-flowered;

axis 3–16 cm in fruit;

bracts (1.5–)2.5–9 mm;

bracteoles 0.

erect, (8–)10–27 cm, together with racemes shorter than stems.

stiffly erect, (3–)4–18(–20) cm, proximal peduncle and raceme much shorter than stem.

(1.2–)1.5–9 mm.

1–2.4 mm, slightly longer in fruit.

(14.4–)15.5–22 mm;

calyx (7.8–)10–14.7 mm, silky-pilose or tomentulose, tube (6–)7–8.7 mm, lobes lanceolate-acuminate or linear-lanceolate, 3–6.5 mm;

corolla immaculate;

keel (11.5–)12–15.1 mm.

12–15 mm;

calyx 4.3–6.7 mm, black-strigose, tube 3.5–4.5(–4.8) mm, lobes linear-lanceolate, 1.5–2.5 mm;

keel (7–)7.7–9.1 mm.

stiffly erect, becoming brownish stramineous then blackish, 15–25 × 8–13 mm, fleshy becoming leathery, glabrous.

brownish stramineous, (6–)9–15 × 3.5–6.5 mm, papery-membranous, minutely strigose;

valves inflexed as hyaline septum 1.2–2.3 mm;

gynophore 0.4–0.6 mm.

= 22.