Flora of North America species comparison

1–3-flowered;

bracts caducous.

3–11 mm.

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

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

pendula is often confused with close relative S. bicapsularis, which is absent from North America and has shorter pedicels, only to 5 mm (H.

. Irwin and R.

.

1982;

B.

et al.

).