Flora of North America species comparison

10–30 dm;

distal branches arching, bark dark brownish red;

infrastipular prickles single or paired, curved, falcate, 6–12 × 3–7 mm, lengths varying or ± uniform, internodal prickles sometimes mixed with aciculi and glandular setae.

erect, 1–5(–10) dm, openly branched;

bark dark reddish brown, glabrous;

infrastipular prickles paired, erect to slightly curved, largest sometimes ± flattened, subulate, 2–8(–12) × 2–5 mm, base glabrous, internodal prickles absent or sparse to dense, mixed with aciculi, aciculi sometimes absent, stipitate-glandular or eglandular.

persistent, 4–6.5 cm;

stipules 6–10 × 2–4 mm, auricles 3–5 mm, margins stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis with pricklets, puberulent, stipitate-glandular;

leaflets 5–7(–9), viscid glands with ripe apple scent, terminal: petiolule 5–10 mm, blade mostly suborbiculate or broadly oval, 10–25 × 8–15 mm, base obtuse, margins 2- or multi-serrate, teeth 10–18 per side, apex acute to obtuse, abaxial surfaces glabrous or pubescent, usually densely viscid-glandular, adaxial green, lustrous to dull, puberulent or glabrous.

3–10 cm;

stipules 6–15 × 1.5–2.5(–3.5) mm, auricles flared to ± erect, 1.5–6 mm, margins entire, stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis with pricklets, usually glabrous, rarely finely hairy, stipitate-glandular;

leaflets 5–7(–9), terminal: petiolule 3–13 mm, blade ovate-elliptic, sometimes obovate-elliptic, 10–30 × 8–20 mm, membranous to ± leathery, base obtuse, margins ± 2-serrate, teeth 8–20 per side, acute to obtuse, gland-tipped, apex obtuse to ± truncate, abaxial surfaces pale green to green, glabrous, sometimes sparsely hairy, sessile-glandular or eglandular, adaxial green, dull, rarely sparsely hairy.

panicles, 1–3(–7)-flowered.

corymbs, 1–10-flowered.

erect, 6–9 mm, densely stipitate-glandular, sometimes mixed with aciculi [and setae];

bracts 2, ovate-lanceolate to lanceolate, 15 × 5 mm, margins stipitate-glandular, surfaces glabrous, eglandular.

erect, slender to stout, 2–15 mm, glabrous, rarely finely pubescent, stipitate-glandular, sometimes setose-glandular;

bracts 1 or 2, lanceolate, 2–15 × 1.5–5 mm, margins entire, stipitate-glandular, surfaces glabrous, eglandular.

2–4 cm diam.;

hypanthium obovoid or broadly oblong, 5–6 × 3–4 mm, eglandular, neck (0–)1–1.5 × 3–4 mm;

sepals erect or spreading, rarely reflexed, lanceolate or ovate-lanceolate, 14–18 × 2 mm, margins mostly pinnatifid, tip 3–5 × 0.5–1 mm, abaxially densely stipitate-glandular;

petals bright or deep pink, 11–20 × 11–18 mm;

carpels 25–45, styles villous or glabrous, exsert 1–2 mm beyond stylar orifice (1.2–2 mm diam.) of hypanthial disc (2.5–4 mm diam.).

2.5–3.8 cm diam.;

hypanthium ± ovoid, 3–6 × 2.5–5 mm, glabrous, sparsely to densely stipitate- to setose-glandular, rarely eglandular, neck 0.5–1 × 2.5–4 mm;

sepals spreading, ovate-lanceolate, 8–15 × 2.5–3.5 mm, tip 0–4 × 1.3 mm, margins entire, abaxial surfaces glabrous, stipitate-glandular;

petals single, deep pink, 12–23 × 15 mm;

carpels 15–30, styles exsert 1 mm beyond stylar orifice (2 mm diam.) of hypanthial disc (3.5 mm diam.).

dark red, subglobose to broadly ovoid, ellipsoid, or pyriform, 10–25 × 7–22 mm, glabrous, sometimes setose, eglandular;

sepals tardily deciduous, mostly erect.

scarlet, ± depressed-subglobose, 7–15 × 7–15 mm, fleshy, glabrous, sparsely to densely stipitate- to setose-glandular, rarely eglandular, neck 0.5–2 × 2–5 mm;

sepals persistent, erect.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

basiparietal, 4–17, cream to pale brown, 3.5–5 × 2.5–3.5 mm.

= 35, 42.

= 14.