Flora of North America species comparison

compound, 80–170 mm;

petiole 8–22 mm, densely puberulent, gland present, below proximalmost pinna pair, 0.5–1 mm diam., puberulent;

rachis gland between most pinna pairs;

pinnae 6–30 pairs, 15–55 mm, 2–7 mm between pinna pairs;

leaflets 15–70 pairs per pinna, blades linear, 2–5 × 0.4–0.8 mm, base cuneate, apex obtuse to acute, not apiculate, surfaces densely puberulent.

phyllodic;

phyllode flat, one side nearly straight, the other rounded or angled, inequilateral, often deltate to triangular, 10–30 × 5–15 mm, venation parallel, midvein prominent, minor veins not obvious, apex acute, apiculate, surfaces glabrous;

gland 1, prominent, near widest part of leaf;

pulvinus 0.3–1 mm.

globose heads, densely flowered, 6–9 mm diam., in axillary pseudoracemes of 11–30 heads or terminal pseudopanicles of 1–15 pseudoracemes.

globose to slightly elongated heads, densely flowered, 3–7 mm, in pseudoracemes of 5–20 heads, usually solitary in distal leaf axils.

2–6 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, golden yellow;

calyx 0.5–0.9 mm;

corolla 1.3–1.8 mm;

filaments 2.7–3.5 mm;

ovary glabrous.

flattened, oblong, 20–110 × 6–14 mm, constricted between some seeds.

flattened, linear, 40–90 × 5–8 mm, slightly constricted between some seeds.

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

aril white, club-shaped, from base.

= 26.