Flora of North America species comparison

1–5-flowered;

bracts caducous.

2–6-flowered;

bracts caducous.

9–16 mm.

6–15 mm.

monosymmetric;

calyx caducous, pale green;

corolla yellow or orange-yellow, longest petal 12–17 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers 2.2–3.3 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium nearly linear, ovules 22–40;

ovary densely hairy;

style slightly incurved.

monosymmetric;

calyx persistent into developing fruit, pale green;

corolla yellow, longest petal 8.5–10 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers 2.3–3.7 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium nearly linear, ovules 16–26;

ovary densely hairy;

style linear.

erect, subcylindrical, straight or slightly curved, 20–35 × 4.5–6.5 mm, corrugated over seeds, dehiscing apically downward.

erect, flat, straight, 20–40 × 5.5–7.5 mm, corrugated over seeds, dehiscing apically downward, with 1 series of seeds.

brown or pinkish brown, paddle-shaped or pyriform.

dull pinkish or grayish brown, pyriform.

= 28.

= 28.