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.

usually spreading and arching, erect, 8–15(–20) dm;

distal branches erect or spreading, bark reddish when exposed, pruinose when young or shaded;

infrastipular prickles paired, erect, 5–6 × 3–4 mm, lengths ± uniform, internodal prickles similar or smaller, mixed with aciculi.

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, 8–11(–14) cm;

stipules 15–20 × 5–10 mm, auricles 5–8 mm, margins glabrous or ciliate, surfaces usually puberulent to tomentulose, sometimes glabrous, eglandular;

petiole and rachis without pricklets, pubescent, eglandular;

leaflets (5–)7, glands resin-scented when crushed, terminal: petiolule 10–17 mm, blade elliptic to ovate, 12–35 × 10–18 mm, base cuneate, sometimes rounded, margins 1–2-serrate, teeth 14–18 per side, apex acute, sometimes rounded, abaxial surfaces tomentose, resinous-glandular, sometimes eglandular, adaxial light green, dull, glabrous or mostly tomentulose.

panicles, 1–3(–7)-flowered.

panicles, 1 or 2(–5)-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 or slightly reflexed, (5–)15–35 mm, sparingly stipitate-glandular or eglandular;

bracts (1–)2, ovate-lanceolate, 10–12 × 4–5 mm, margins irregularly glandular-serrate, surfaces glabrous or 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.).

3–4.5 cm diam.;

hypanthium globose, 5–7 × 5–7 mm, stipitate-glandular or setose, neck absent;

sepals spreading, ovate-lanceolate, 20–25 × (4–)5 mm, margins entire, tip 8–10 × 0.5–1 mm, abaxially densely glandular or stipitate-glandular;

petals deep pink, rarely white, 9–16 × 10–16 mm;

carpels 50–65, styles lanate, exsert 1.5 mm beyond stylar orifice (3.5 mm diam.) of hypanthial disc (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.

red to purplish, globose to depressed-globose, 11–16 × 12–15(–20) mm, glabrous, sometimes setose, stipitate-glandular;

sepals persistent, erect.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

60, dark tan to black, 4–5 × 1.5–2 mm.

= 35, 42.

= 28, 35, 42.