Flora of North America species comparison

dark purplish brown to black, slightly flexuous, ridged, puberulent.

brown to purple-brown, fragrant when crushed (vanilla-scented), not flexuous, ridged (resin-ribbed), glabrous.

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.

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

globose heads, densely flowered, 3–5 mm diam., solitary or clustered in short pseudoracemes of 2–6 heads in distal leaf axils.

4–9 mm.

2–6 mm.

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.

5-merous, light yellow;

calyx 0.5–0.8 mm;

corolla 1–1.6 mm;

filaments 2–3 mm;

ovary glabrous.

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

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

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

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

= 26.