Flora of North America species comparison

erect or decumbent, solid, not succulent.

erect or ascending, hollow, succulent.

8–16 mm;

rachis 1.5–5 mm;

leaflet blades: basal 2 obliquely ovate, terminal 3 obovate to obovate-elliptic or obovate-lanceolate, 5–15 × 1–4 mm, length 3.2–5 times width, apex rounded to ± acute.

10–34 mm;

rachis 3–10 mm;

leaflet blades ovate-elliptic to elliptic, 8–25 × 3–15 mm, length 1.4–2.4 times width, apex obtuse, often mucronate.

1(or 2[–4]-flowered;

bracts 1–3-foliolate.

(4 or)5–15-flowered;

bracts (1–)3-foliolate.

ascending, 1–4.5(–6) cm.

ascending to declined, 0.7–10(–15) cm.

7–9.2[–10] mm;

calyx 4–6 mm, lobes erect in bud, triangular to deltate-acuminate, (1.5–)2–2.8[–3.5] mm, ± equaling tube, tube glabrate;

petals light yellow, ± pink-tinged abaxially, turning pinkish or red, 6.6–8.5 mm, wings equaling keel.

10–14(–20) mm;

calyx 4.5–8 mm, lobes spreading or recurved in bud, triangular, (1.5–)2.2–3.5 mm, shorter, ± equaling to slightly longer than tube, tube glabrate to pilose;

petals yellow, often mottled with red, darkening, 8–13(–18) mm, wings equaling keel.

brown, cylindric, 15–25[–35] × 2–3 mm, not septate.

brown, cylindric, (10–)15–35 × 1.5–2.5 mm, not septate.

6–10[–30], brown, finely mottled, globose, 0.8–1.4 mm, smooth.

15–35, yellowish, olive green, or yellowish brown, not or sometimes mottled, globose to round-oblong, 0.8–1.4 mm, smooth.

= 12.

= 12.