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.

ascending to erect, 8–25(–30) dm, densely to openly branched;

bark often glaucous when young, dark reddish brown with age sometimes exfoliating as thin ash-gray sheets, glabrous;

infrastipular prickles 1–2(–3), strongly curved to nearly erect, ± flattened, stout, subulate, 3–15(–20) × 2.5–8 mm (to 10–15 mm), base glabrous, internodal prickles usually absent, sometimes sparse, smaller, aciculi usually absent, rarely stipitate-glandular.

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–)4–14 cm;

stipules 5–20 × 2–5 mm, auricles flared to erect, 2–5 mm, margins entire or serrate, stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis sometimes with pricklets, usually sparsely to densely hairy hairs to 1 mm, rarely glabrate, sometimes stipitate-glandular;

leaflets 5–7(–9), terminal: petiolule 5–15(–20) mm, blade ovate to elliptic, sometimes obovate, (10–)15–40(–60) × 10–25(–30) mm, usually widest at or below middle, membranous to ± leathery, margins 1–2-serrate, teeth 7–20 per side on distal 3/4–4/5 of margin, obtuse to acute, eglandular or gland-tipped, apex ± obtuse, sometimes acute, abaxial surfaces pale green, sparsely to abundantly shaggy-hairy, sometimes more finely hairy and/or sparsely glandular, adaxial green, dull, sparsely hairy to subglabrous.

panicles, 1–3(–7)-flowered.

panicles, few corymbs, (1–)3–30(–50)-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, 3–20 mm, hairy, rarely glabrous, eglandular, rarely glandular;

bracts 1–3, broadly lanceolate, 8–20 × 2–10 mm, margins entire or serrate, eglandular or stipitate-glandular, surfaces ± hairy, 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 ± ovoid, 4–6 × 3–5.5 mm, glabrous or sparsely hairy, eglandular, neck 1 × 2–4.5 mm;

sepals spreading, ovate-lanceolate, 10–15 × 2–4.5 mm, tip 1–5 × 0.3–1 mm, margins entire, eglandular, sometimes glandular, abaxial surfaces ± hairy, eglandular, sometimes stipitate-glandular;

petals single, pink, (10–)15–25 × (10–)15–25 mm;

stamens 90;

carpels (20–)25–40, styles exsert 1–2.5 mm beyond stylar orifice (1.5–2 mm diam.) of hypanthial disc (3–4 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, ± ovoid, sometimes globose to obovoid, 10–18 × 7–20 mm, fleshy, glabrous or ± hairy, eglandular, neck 0.5–2 × (2.5–)3–5(–6) mm;

sepals persistent, usually erect.

15–25, tan, 3.5–4(–5) × 2–2.5(–3) mm.

basiparietal, (1–)5–20, cream to pale brown, (3–)3.5–4.5(–5) × 2–3 mm.

= 35, 42.

= 28.