Flora of North America species comparison

reddish brown, not flexuous, slightly ridged, glabrous.

phyllodic, juvenile compound leaves often persisting on young plants;

phyllode flat, straight to slightly falcate, usually narrowly elliptic, rarely oblanceolate, 40–140 × 6–25 mm, venation parallel, with 3–5 prominent veins, minor veins prominently reticulate, apex narrowly obtuse to acute, apiculate, surfaces glabrous;

gland 0 (or 1), 0–5 mm distal to pulvinus when present;

pulvinus 2–5 mm.

phyllodic; fascicled or whorled;

phyllode quadrangular, straight, linear, acicular, 5–20 × 0.5–1.5 mm, venation parallel, midvein prominent, minor veins not obvious, apex acuminate, sharp-pointed, surfaces mostly glabrous;

gland 1 (usually not obvious, disc-shaped), 3–6 mm distal to leaf base;

pulvinus absent.

globose heads, densely flowered, 6–9 mm diam., in solitary pseudoracemes of 2–8 heads in leaf axils.

cylindrical spikes, densely flowered, 10–45 × 4–7 mm, solitary in leaf axils.

4–11 mm.

2–12 mm.

5-merous, pale yellow;

calyx 0.9–1.3 mm;

corolla 1.5–2 mm;

filaments 2.5–3.5 mm;

ovary pubescent.

5-merous, pale yellow;

calyx 0.5–0.8 mm;

corolla 1.1–1.6 mm;

filaments 2.2–3.2 mm;

ovary glabrous.

elliptic in cross section, linear, 50–150 × 4–8 mm, not constricted between seeds.

flattened, linear, 20–90 × 2.7–5 mm, not constricted between seeds.

aril yellow to pink to deep red, encircling seed in irregular double fold.

aril light yellow, folded and thickened, forming cap on seed.

= 26.

= 26.