Flora of North America species comparison

4–18-flowered;

bracts caducous.

1-flowered;

bracts caducous.

13–23 mm.

6–21 mm.

monosymmetric;

calyx brownish to greenish yellow;

corolla golden yellow, longest petal 8–16 mm;

androecium heterantherous, stamens 7, middle stamens 1/2 as long as abaxial or smaller, staminodes 3;

anthers of middle stamens to 3.6–4.8 mm, of abaxial stamens 5.2–6.5 mm, dehiscing by nearly U-shaped pore, apical appendage inconspicuous;

gynoecium incurved, ovules 34–50;

ovary hairy;

style slightly incurved.

monosymmetric;

calyx often persistent into developing fruit, pale green;

corolla pale yellow, longest petal 5.5–10 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers to 2.9–4 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium nearly linear, ovules 6–12;

ovary hairy;

style linear.

somewhat pendulous, cylindrical, straight, 40–120 × 6–10 mm, corrugated over seeds, indehiscent.

erect, cylindrical, straight, 8–15 × 6–8 mm, not corrugated over seeds, dehiscing apically downward.

dull brown or dark reddish brown, obliquely obovoid or oblong-ellipsoid.

brown, paddle-shaped to pyriform.

= 28.

= 28.