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, 10–25(–30) dm, sparsely branched;

bark reddish brown, glabrous;

infrastipular prickles paired, curved, rarely erect, stout, 3.5–8 × 2–5(–10) mm, base glabrous, internodal prickles and aciculi rare, sometimes 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.

8–11 cm;

stipules narrow, 10–22(–35) × 2.5–4 mm, auricles erect, rarely flared, 2.5–4.5(–8) mm, margins serrulate, eglandular or stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis usually with pricklets, puberulent to pubescent, sometimes glabrous, eglandular or sparsely stipitate-glandular;

leaflets 5–7, terminal: petiolule 5–10 mm, blade ovate-lanceolate, rarely broadly lanceolate or narrowly elliptic, 23–45 × 10–18 mm, membranous, base cuneate, margins 1–2-serrulate, eglandular, teeth 20–30 per side, acute to ± obtuse, eglandular, apex acute to subacute, abaxial surfaces pale green, glabrous or pubescent, eglandular, adaxial green, dull, glabrous.

panicles, 1–3(–7)-flowered.

corymbs, (1 or)2–10(–40)-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, 6–15 mm, glabrous, densely stipitate-glandular;

bracts 2, lanceolate, 6–15 × 3–4 mm, margins and central veins pubescent, eglandular, surfaces pubescent, 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.).

2.5–5 cm diam.;

hypanthium cupulate, 2–4 × 2–4 mm, glabrous, sparsely to densely stipitate-glandular, neck absent or 1–3 mm;

sepals spreading to reflexed, rarely erect, lanceolate to narrowly ovate-lanceolate, 15–30(–40) × 2–3.5 mm, tip 2.5–3.5 × 0.5–1 mm, margins entire, rarely pinnate, abaxial surfaces glabrous, densely, sometimes sparsely, stipitate-glandular;

petals single, pink to deep pink, 14–28 × 13–28 mm;

stamens 200;

carpels 24–50, styles exsert 0.5–1 m beyond stylar orifice (1.5 mm diam.) of hypanthial disc (3.5–4.5 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.

deep red, usually globose to subglobose, rarely elongate, 7–11 × 7–11 mm, fleshy, glabrous, sparsely or densely stipitate-glandular, neck absent or 3 × 1 mm;

sepals deciduous, spreading.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

basal, 26, tan, 3 × 1.5–2 mm.

= 35, 42.

= 14.