Flora of North America species comparison

dark purplish brown to black, slightly flexuous, ridged, puberulent.

reddish brown, not flexuous, ridged, glabrous.

compound, 50–140 mm;

petiole 5–30 mm, puberulent, gland present, below proximalmost pinna pair, 0.7–1.5 mm diam., puberulent;

rachis glands scattered, with some between pinna pairs (at pinna pair nodes and internodes);

pinnae 7–31 pairs, 15–70 mm, 3–7 mm between pinna pairs;

leaflets 20–70 pairs per pinna, blades linear, 1.5–3.5 × 0.5–0.8 mm, base cuneate, apex obtuse, not apiculate, surfaces puberulent.

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.

globose heads, densely flowered, 5–9 mm diam., in axillary pseudoracemes of 20–35 heads or terminal pseudopanicles of 1–10 pseudoracemes.

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

4–9 mm.

2–5 mm.

5-merous, pale yellow to cream;

calyx 0.6–1.1 mm;

corolla 1.4–2 mm;

filaments 3.5–4.5 mm;

ovary glabrous.

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.

flattened, linear, 30–140 × 4–8 mm, slightly constricted between seeds.

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

aril light yellow, obovate, 1–2 mm, forming cap on seed.

aril light yellow, nearly encircling seed.

= 26.

= 26.