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.

± flexuous, 10–20 dm, densely branched;

bark dark red to brown, glabrous;

infrastipular prickles paired, erect, sometimes curved, stout, 4–7 × 2.5–3 mm, base glabrous, internodal prickles absent, aciculi rare.

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.

4–8 cm;

stipules often convolute, 8–15 × 3–8 mm, auricles flared, (1.5–)3–5(–7) mm, margins entire or crenate, sparsely to densely stipitate-glandular, surfaces glabrous, sometimes pubescent, eglandular;

petiole and rachis without pricklets, pubescent, eglandular, sometimes sparsely or densely sessile-glandular;

leaflets 5(–7), terminal: petiolule 4–9 mm, blade elliptic to ovate, 20–40 × 12–18 mm, membranous, margins 1-serrate, teeth 9–18 per side, eglandular or gland-tipped, apex acute, abaxial surfaces pale green, ± glaucous, pubescent (especially on veins) or glabrous, glandular, adaxial green, dull, sometimes sparsely pubescent.

panicles, 1–3(–7)-flowered.

corymbs, 1 or 2(or 3)-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, 7–17 mm, glabrous, eglandular;

bracts 2, ovate or ovate-lanceolate to obovate, 6–15 × 6–10 mm, margins ciliate, stipitate-glandular, surfaces mostly pubescent, sometimes glabrous.

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.).

3–5 cm diam.;

hypanthium hemispheric, 4–5 × 3–4 mm, glabrous, eglandular, neck absent;

sepals spreading, lanceolate or ovate-lanceolate, 18–25 × 2.5–4 mm, tip 5–8 × 1–2 mm, margins entire, rarely pinnatifid, lobes 1 or 2, abaxial surfaces pubescent, eglandular or sparsely sessile- or, rarely, stipitate-glandular;

petals double, rarely single, pinkish purple, 9–15 × 9–11 mm;

carpels 25–35, styles exsert 4 mm beyond stylar orifice (2.5–3 mm diam.) of hypanthial disc (4–4.5 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, globose, 9–11 × 8–10 mm, fleshy, glabrous, eglandular, neck absent;

sepals persistent, erect or spreading, hips rarely maturing.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

basal, 17, dark tan, 3–3.5 × 1.5 mm.

= 35, 42.

= 14.