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.

compound, 50–140 mm;

petiole 5–30 mm, puberulent, gland present, below proximalmost pinna pair, 0.7–1.5 mm diam., puberulent;

rachis glands scattered, with some between pinna pairs (at pinna pair nodes and internodes);

pinnae 7–31 pairs, 15–70 mm, 3–7 mm between pinna pairs;

leaflets 20–70 pairs per pinna, blades linear, 1.5–3.5 × 0.5–0.8 mm, base cuneate, apex obtuse, not apiculate, surfaces puberulent.

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

globose heads, densely flowered, 5–9 mm diam., in axillary pseudoracemes of 20–35 heads or terminal pseudopanicles of 1–10 pseudoracemes.

4–11 mm.

4–9 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 to cream;

calyx 0.6–1.1 mm;

corolla 1.4–2 mm;

filaments 3.5–4.5 mm;

ovary glabrous.

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

flattened, linear, 30–140 × 4–8 mm, slightly constricted between seeds.

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

aril light yellow, obovate, 1–2 mm, forming cap on seed.

= 26.

= 26.