Flora of North America species comparison

branched;

hairs stalked, glandular throughout.

sparsely or profusely branched;

hairs stalked, glandular throughout.

petiole green to purple, angled, (0.2–)0.5–0.8(–1) cm;

leaflet blade linear to narrowly elliptic, 1.5–2.8 × 0.1–0.2 cm, margins entire, apex acute, mucronulate, surfaces densely glandular abaxially, sparsely glandular adaxially.

petiole green to purple, angled, 1.5–4.5(–6) cm, (glandular);

leaflet blade broadly elliptic to oblanceolate, 2–4 × 1–2 cm, margins entire, apex obtuse, mucronulate, surfaces sparsely glandular.

1–3 cm (6–8 cm in fruit);

bracts trifoliate, ovate, 5–15 mm.

5–20 cm (10–30 cm in fruit);

bracts unifoliate, ovate, 8–12 mm.

5–15 mm.

10–25(–40) mm.

sepals pale yellow, glandular, lanceolate, 1.6–2.6 × 0.8–1.2 mm, margins entire, apex acute to obtuse;

petals white, oblong-ovate, clawed, abaxial pair 1.5–3 × 1–2 mm (6 or 7-lobed), apex emarginate to lacerate, adaxial pair 3–5 × 2–3 mm (4 or 5-lobed), apex emarginate to lacerate;

nectary glands yellow (drying purple), 0.5–1 mm;

stamens 6–9, slightly exserted, yellow, 3.2–5.2 mm;

anthers yellow, 0.5–1 mm;

gynophore 2–4 mm in fruit;

ovary 2.5–5(–7) mm;

style persistent in fruit, 2.5–4.5 mm;

stigma red.

sepals purple, oblong, 3–6 × 1.5–2.5 mm, margins entire, apex acuminate, glandular;

petals white, narrowly spatulate, clawed, abaxial pair 10–20 × 2–3(–5) mm, apex emarginate to lacerate, adaxial pair 15–30 × 3–5 mm, apex emarginate;

nectary glands bright orange, not conspicuous (in fruit);

stamens 20–27, exserted, purple, 20–50 mm;

anthers purple, 1–1.3 mm;

gynophore 0–2 mm in fruit;

ovary 5–10 mm;

style deciduous in fruit, 20–40 mm;

stigma purple.

8–30 × 2–4 mm, reticulate, glandular.

(somewhat inflated), 60–100 × 7–10 mm, reticulate, glandular.

18–36, bright reddish brown, globose to oblong, 1.8–2 mm, pebbled (without transverse ridges).

20–65, dark reddish brown, globose to oblong, 1.5–2 mm, smooth.

= 20.

= 20.