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;

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.

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

4–11 mm.

5–15 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, 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 × 4–8 mm, not constricted between seeds.

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

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

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

= 26.