Flora of North America species comparison

(2–)4–8-flowered;

bracts caducous.

1–3-flowered;

bracts caducous.

8–17 mm.

3–11 mm.

monosymmetric;

calyx pale green, pinkish, or yellowish;

corolla golden yellow, longest petal 9–15 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers 2.5–4.2 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium linear, slightly incurved, ovules 28–42;

ovary hairy;

style filiform, incurved.

monosymmetric;

calyx caducous, yellowish to pale green;

corolla yellow, longest petal 5–10 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers to 1.8–2.8 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium nearly linear, ovules 22–36;

ovary densely hairy;

style incurved, to 1.5 mm, distally dilated.

erect, cylindrical, slightly curved, 180–350 × 50–80 mm, shallowly corrugated over seeds, dehiscing apically downward.

erect, cylindrical, curved, 17–30(–50) × 4.5–6.5 mm, slightly corrugated over seeds, dehiscing apically downward.

brown, rhomboid.

brownish olive green becoming gray, paddle-shaped to pyriform.