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, sometimes arching, 10–25 dm, densely branched;

bark greenish white when young, purplish black with age, densely tomentose or puberulent;

infrastipular prickles paired, erect, stout, subulate, 10 × 4 mm, base pubescent, internodal prickles similar, densely mixed with aciculi and stipitate glands.

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.

7–11 cm;

stipules 20–30 × 4–7 mm, auricles flared, 4–6 mm, margins entire or unevenly serrate, sessile-glandular, surfaces rugose, glabrous or pubescent, glandular;

petiole and rachis with pricklets usually curved, subequal, pubescent, usually sparsely glandular;

leaflets 5–9, terminal: petiolule 8–18 mm, blade widely elliptic to ovate, rarely obovate, 20–55 × 10–35 mm, leathery, rugose, base cuneate to obtuse, margins usually 1-crenate-serrate, eglandular, sometimes gland-tipped, teeth 11–17 per side, sometimes gland-tipped, apex obtuse to acute, abaxial surfaces gray-green, deeply veined, pubescent, eglandular, adaxial dark green, lustrous, rugose, glabrous.

panicles, 1–3(–7)-flowered.

corymbs, 1(–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, sometimes reflexed (as hip matures), stout, 10–15(–30) mm, pubescent, sometimes setose, sparsely sessile- or stipitate-glandular;

bracts 2, ovate-lanceolate, 12(–15) × 2(–5) mm, margins entire with few hairs, eglandular or gland-tipped, surfaces pubescent, glandular.

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.).

6–9 cm diam.;

hypanthium depressed-globose, 6–8 × 5–6 mm, glabrous, sometimes setose overall or only in neck area, eglandular, rarely glandular, neck 1–2 × 4–5 mm;

sepals erect, ovate-lanceolate, 20–37 × 4–6 mm, tip 4–5 × 1–2 mm, margins entire, rarely pinnatifid, tomentose, glandular, abaxial surfaces pubescent, sessile- and stipitate-glandular, often setose;

petals single, sometimes double (cultivars), purplish pink or white, 35–50 × 30–45 mm;

carpels 48–60, styles exsert 1–2 mm beyond stylar orifice of hypanthial disc (5–10 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-globose, 18–20 × 20–25 mm, leathery, glabrous, sometimes setose, eglandular, rarely glandular, neck 1–2 × 4–5 mm;

sepals persistent, erect.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

basiparietal, 40, tan, 4–6 × 2–4.5 mm.

= 35, 42.

= 14.