Flora of North America species comparison

phyllodic;

phyllode flat, not falcate, narrowly elliptic, 50–150 × 10–25 mm, venation parallel, with 2–4 prominent veins, minor veins prominent, apex acute to obtuse, apiculate, surfaces glabrous;

gland 1, 0–7 mm distal to pulvinus;

pulvinus 2–5 mm.

phyllodic;

phyllode flat, straight to slightly curved, linear to narrowly elliptic, 70–250 × 6–25 mm, venation pinnate, midvein prominent, minor veins faint, apex narrowly acuminate, apiculate, surfaces glabrous;

gland 1, 0–3 mm distal to pulvinus (obvious, disciform);

pulvinus 1–3.5 mm.

cylindrical spikes, densely flowered, 20–50 × 5–8 mm, solitary or in fascicles of 2 or 3 in leaf axils.

globose heads, densely flowered, 8–12 mm diam., in pseudoracemes of 2–10 heads, 5–40 mm, solitary in distal leaf axils.

0–2 mm.

5–15 mm.

4-merous, bright yellow;

calyx 0.6–0.9 mm;

corolla 1.5–2.1 mm;

filaments 2.6–3.6 mm;

ovary pubescent.

5-merous, golden yellow;

calyx 1–2 mm;

corolla 2.6–3.4 mm;

filaments 5–6 mm;

ovary glabrous.

elliptic in cross section, linear, 50–150 × 5–9 mm, somewhat constricted between seeds.

flattened, linear, 80–140 × 5–8 mm, constricted between seeds.

aril light yellow, folded several times into thickened, lateral, skirtlike aril covering seed apex.

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