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, oblanceolate, 20–70 × 5–15 mm, venation parallel, with 5–12 prominent veins, minor veins not obvious, apex obtuse, apiculate, surfaces glabrous;

gland 1, at edge of pulvinus;

pulvinus 1–3 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, 3–5 mm diam., solitary or clustered in short pseudoracemes of 2–6 heads in distal leaf axils.

0–2 mm.

2–6 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, light yellow;

calyx 0.5–0.8 mm;

corolla 1–1.6 mm;

filaments 2–3 mm;

ovary glabrous.

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

flattened, linear, 30–60 × 2–4 mm, constricted between seeds.

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

aril cream-white, thickened, forming cap on seed.