Flora of North America species comparison

1(or 2)-flowered;

bracts caducous.

5–10 mm.

monosymmetric;

calyx caducous, yellowish to pale green;

corolla yellow or orange-yellow, longest petal 8.5–9 mm;

androecium not heterantherous, stamens 7, staminodes 3;

anthers 3–3.5 mm, dehiscing by 1 apical pore, apical appendage 0;

gynoecium nearly linear, ovules 18–28;

ovary densely hairy;

style incurved, linear, 3–3.5 mm.

erect, cylindrical, straight or slightly curved, 13–24 × 5–8 mm, slightly corrugated over seeds, dehiscing apically downward.

pinkish brown, olive green, or ochre, 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.

).