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, 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.

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

4–11 mm.

2–6 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, 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 × 4–8 mm, not constricted between seeds.

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

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

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

= 26.