Flora of North America species comparison

reddish brown, not flexuous, ridged, glabrous.

dark reddish brown to nearly black, slightly flexuous, ridged, usually glabrous.

phyllodic;

phyllode flat, slightly falcate, linear-lanceolate to narrowly oblanceolate, 30–200 × 3–14 mm, venation pinnate, midvein medial, minor veins not obvious, apex acuminate, apiculate, surfaces glabrous;

gland 1, 1–10 mm distal to pulvinus (not obvious, not disciform);

pulvinus 1–3 mm.

compound, 70–150 mm;

petiole 7–33 mm, glabrous, gland present, below proximalmost pinna pair, 1–2 mm diam., glabrous;

rachis glands between most pinna pairs;

pinnae 3–13, 35–80 mm, 7–20 mm between pinna pairs;

leaflets 15–45 pairs per pinna, blades linear, 5–15 × 0.3–0.6 mm, base cuneate, apex obtuse to acute, not apiculate, surfaces glabrous.

globose heads, densely flowered, 5–7 mm diam., in solitary pseudoracemes of 5–9 heads in leaf axils.

globose heads, densely flowered, 5–8 mm diam., in axillary pseudoracemes of 10–30 heads or terminal pseudopanicles of 1–15 pseudoracemes.

2–5 mm.

2–4 mm.

5-merous, pale yellow to cream;

calyx 0.5–0.9 mm;

corolla 1.2–1.7 mm;

filaments 2.5–3.5 mm;

ovary glabrous.

5-merous, bright yellow;

calyx 0.6–1.2 mm;

corolla 1.4–2 mm;

filaments 2.5–3.5 mm;

ovary glabrous.

flattened, linear, 40–160 × 4–7 mm, slightly constricted between seeds.

flattened, linear, 20–105 × 4–8 mm, slightly constricted between seeds.

aril light yellow, nearly encircling seed.

aril light yellow, obovate, 2–3 mm, forming cap on seed.

= 26.

= 26.