Flora of North America species comparison

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

gray to dark reddish brown, not flexuous, slightly 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, falcate, linear to narrowly elliptic, 100–200 × 12–28 mm, venation parallel, mostly with 3 prominent veins, minor veins prominent, apex narrowly obtuse, not apiculate, surfaces glabrous;

gland 1, 0–3 mm distal to pulvinus;

pulvinus 3–5 mm.

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

cylindrical, interrupted spikes, loosely flowered, 50–85 × 4–7 mm, solitary or in fascicles of 2 or 3 in leaf axils, rarely in pseudoracemes.

4–9 mm.

5–10 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, light golden yellow;

calyx 0.9–1.3 mm;

corolla 1.6–2.4 mm;

filaments 2.5–3.5 mm;

ovary pubescent.

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

flattened, oblong, 30–160 × 8–18 mm, not constricted between seeds.

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

aril light yellow, encircling seed.

= 26.

= 26.