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, slightly falcate, narrowly elliptic to oblanceolate, 40–95 × 4–15 mm, venation parallel, with 3–5 prominent veins, minor veins weakly reticulate, apex obtuse, obliquely apiculate, surfaces glabrous;

gland 0 or 1, 0–2 mm distal to pulvinus;

pulvinus 1–2 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, 6–9 mm diam., in short pseudoracemes of 2 heads solitary in leaf axils.

0–2 mm.

2–10 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 0.9–1.3 mm;

corolla 1.3–2 mm;

filaments 2.5–3.5 mm;

ovary glabrous.

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

elliptic in cross section, oblong, 50–130 × 9–17 mm, not constricted between seeds.

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

aril orange to scarlet, enlarged, encircling seed in 2 folds.