Flora of North America species comparison

reddish brown, not flexuous, ridged, glabrous.

dark purplish brown to nearly black, not flexuous, ridged, pruinose, glabrous or pubescent.

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, 10–33 mm;

petiole 0–2 mm, glabrous, gland absent;

pinnae 2–5 pairs, 10–28 mm, 4–9 mm between pinna pairs;

leaflets 8–24 pairs per pinna, blades oblong, 3.5–7.5 × 0.8–1.3 mm, base obtuse, 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, 4–8 mm diam., in axillary pseudoracemes of 8–35 heads or terminal pseudopanicles of 1–15 pseudoracemes.

2–5 mm.

2–6 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 0.4–0.9 mm;

corolla 1.2–2 mm;

filaments 2.5–3.5 mm;

ovary glabrous.

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

flattened, oblong, 30–150 × 7–13 mm, sometimes slightly constricted between some seeds.

aril light yellow, nearly encircling seed.

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

= 26.

= 26.