Flora of North America species comparison

5–55-flowered, not spikelike;

bracts early caducous, to 5 mm.

1-flowered;

bracts caducous.

13–28 mm.

6–21 mm.

asymmetric, enantiostylous;

calyx greenish to yellow;

corolla yellow-orange, slightly dark-veined, longest petal 12–23 mm, highly asymmetric, 1 or both lower petals highly modified, strongly concave and folded over stamens (flag-shaped);

androecium slightly heterantherous, stamens 7 (similar in shape and size, abaxial ones slightly longer), staminodes 3;

anthers 2.8–5 mm, dehiscing by 2 short slits, apical appendage 0;

gynoecium incurved, ovules 46–70;

ovary glabrate, sometimes becoming hairy after fertilization;

style stout.

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.

pendulous, flat, straight, 220–370 × 80–140 mm, woody, indehiscent or splitting transversely into woody segments.

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

reddish brown, obovoid to oblong-obovoid.

brown, paddle-shaped to pyriform.

= 28.