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, glaucous, stout, 10–20 dm;

distal branches often flexuous, bark reddish, ± pruinose or glaucous;

infrastipular prickles single or paired, curved or erect, 6–9 × 3–4 mm, lengths ± uniform, internodal prickles sometimes present, aciculi absent.

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.

deciduous, 6–10(–18) cm;

stipules 10–14 × 3–5 mm, auricles 3–4 mm, margins short stipitate-glandular, surfaces usually glabrous, sometimes pubescent, glandular;

petiole and rachis with pricklets, pubescent, glandular;

leaflets 5–7, terminal: petiolule 6–12(–40) mm, blade ovate to narrowly or broadly elliptic, 30–45(–65) × 15–30(–45) mm, base rounded, sometimes slightly cuneate, margins 2- or multi-serrate, teeth 17–26 per side, apex acute or rounded, abaxial surfaces light green, ± rugose, tomentose, densely resinous-glandular, glands reddish brown, resin-scented, adaxial green, dull, tomentulose or glabrous, eglandular.

panicles, 1–3(–7)-flowered.

panicles, 1–3(or 4)-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 to reflexed as hips mature, 12–17 mm, sparsely stipitate-glandular;

bracts 2, ovate-lanceolate, 16–21 × 4–6 mm, margins glandular, surfaces tomentose to puberulent or glabrous, glandular or 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.).

2.5–3.5 cm diam.;

hypanthium globose, 5–6 × 5 mm, eglandular or sparsely stipitate-glandular, neck absent;

sepals spreading to erect, lanceolate, 15–20 × 3–3.5 mm, margins sometimes pinnatifid, tip 4–8 × 1.5–2 mm, abaxially densely stipitate-glandular;

petals deep rose pink, rarely white, 15–19 × 13–15 mm;

carpels 52, styles lanate or villous, exsert 1–2 mm beyond stylar orifice (2.5 mm diam.) of hypanthial disc (4.3 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.

orange to bright red, globose or obovoid to ellipsoid, 13–18 × 11–18 mm, glabrous, sparsely stipitate-glandular;

sepals persistent, usually spreading-erect.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

40, tan, 5–5.5 × 2.5–3 mm.

= 35, 42.

= 28, 35, 42.