Flora of North America species comparison

mesophyllous, 5.5–9.5 cm, glabrous or glabrate;

stipules caducous;

extrafloral nectary 1, between first leaflet pair, sessile or short-stipitate;

leaflet pairs 3, blades oblong-lanceolate, 25–60 × 5–14 mm.

slightly sclerophyllous, 1.5–7.5 cm, hairy;

stipules tardily deciduous;

extrafloral nectary 1, between leaflet pair, stipitate;

leaflet pairs 1, blades broadly, obliquely obovate to oblong-obovate, 15–40 × 10–25 mm.

4–18-flowered;

bracts caducous.

2–6-flowered;

bracts caducous.

13–23 mm.

6–15 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 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.

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

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

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

dull pinkish or grayish brown, pyriform.

= 28.

= 28.