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, rarely arching, 2.5–8(–15) dm;

distal branches densely pubescent, usually with, rarely without, stellate hairs, rarely glabrous, sometimes densely or sparsely sessile- or stipitate-glandular;

infrastipular prickles paired or single, erect, rarely curved, 10–13 × 2.5–6 mm, sometimes with shorter internodal prickles and aciculi 0.5–5 mm.

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.

2–3 cm;

stipules 4–8 × 1–2 mm, margins ± entire, surfaces glabrous or tomentulose, sessile- or stipitate-glandular, sometimes eglandular;

auricles obtuse, 2–3 × 1.5–2 mm, surfaces tomentulose, eglandular or glandular;

petiole and rachis glabrous or pubescent, sparsely sessile- and stipitate-glandular, aciculi sparse, with or without glands;

leaflets 3–5, terminal: petiolule 0.5–2 mm, blade obovate or deltate, 8–18 × 5–13 mm, margins broadly 1- or, rarely, multi-crenate, sometimes 1-serrate, glandular, teeth 3–8 per side on distal 1/2–2/3 of blades, apex acute or rounded, abaxial surfaces pubescent or tomentulose, rarely glabrous, eglandular, adaxial dull to lustrous, glabrous or tomentulose.

panicles, 1–3(–7)-flowered.

1(or 2)-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.

2–16 mm, setae absent or dense or few, to 3 mm, pubescent, rarely glabrous, eglandular or stipitate- or sessile-glandular;

bracts 0.

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.).

4–5 cm diam.;

hypanthium cupulate, 2–5 × 3.5–6(–8) mm, puberulent or glabrous, setae subulate, 1–6 mm, eglandular, rarely glandular;

sepals erect, 12–20 × 4–5 mm, tip 3–5 × 1–2 mm, lobes lanceolate, margins glandular, abaxial surfaces glabrous, basally setose, glandular;

petals pink or dark pink, with strong almond fragrance, 15–25 × 14–25 mm;

stamens 175;

carpels 60–110, styles exsert 1–2.5 mm beyond stylar orifice (4–5 mm diam.), rims 1 mm wide.

dark red, subglobose to broadly ovoid, ellipsoid, or pyriform, 10–25 × 7–22 mm, glabrous, sometimes setose, eglandular;

sepals tardily deciduous, mostly erect.

dull red (darkening with age), broadly subglobose or cupulate, 7–13(–18) × (7–)9–16(–18) mm, setae to 4 mm, puberulent or glabrous, stipitate-glandular.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

10–15, dark, ± terete-elongate, 3.5–4.5 × 2 mm.

= 35, 42.