Flora of North America species comparison

erect, stout, (3–)10–20(–25) dm, sparsely or densely branched distally;

bark pale brown with tips dull red, glabrous;

infrastipular prickles absent, internodal prickles dense, erect, subulate, terete, ± flattened, 9 × 4 mm, sparsely stipitate-glandular, mixed with dense aciculi.

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.

5.5–15 cm;

stipules 20–25 × 3–8 mm, auricles flared or erect, 5–7 mm, margins usually entire, stipitate-glandular, surfaces glabrous, sometimes puberulent, sparsely sessile-glandular or eglandular;

petiole and rachis usually (rarely) with pricklets, glabrous or puberulent to pubescent, sessile-glandular;

leaflets 5–7 (on annual shoots), terminal: petiolule 6–20 mm, blade elliptic, ovoid, or ovate-lanceolate, 20–60 × 13–32 mm, firm, margins 1(–2+)-dentate-serrate, teeth 11–25 per side acute or obtuse, gland-tipped or eglandular, apex acute or obtuse, abaxial surfaces light green, glabrous or puberulent (on main veins), eglandular or sparsely to densely sessile-glandular, adaxial green, dull, glabrous or sparsely hairy.

(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.

corymbs, 1 or 2(or 3)-flowered.

panicles, few corymbs, (1–)3–30(–50)-flowered.

reflexed as hips mature, slender, (13–)20–28(–35) mm, glabrous, stipitate-glandular or eglandular;

bracts 1–3, ovoid, 18–22 × 4–14 mm, margins entire, sessile- or short stipitate-glandular, surfaces glabrous, sometimes hairy, 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.

3–6 cm diam.;

hypanthium ovoid to oblong, 5–8 × 4–6 mm, glabrous, eglandular, neck 1 × 2.5–3 mm;

sepals spreading, often beak-capped, lanceolate, 20–33 × (2.5–)3–3.5 mm, tip 7–12 × 0.5–0.8 mm, margins entire, sometimes pinnatifid, abaxial surfaces glabrous, sometimes pubescent, eglandular or stipitate-glandular (north);

petals single, rose pink to pale pink, (13–)22–25 × (11–)20–25 mm;

stamens 75–100;

carpels 18–33, styles exsert 1 mm beyond stylar orifice (2 mm diam.) of ± flat hypanthial disc (3.5–4.5 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.).

orange-red to bright red or blue-purple, globose to ellipsoid or urceolate, 10–23 × 9–11 mm, fleshy, glabrous, eglandular, neck 1–2 × 2–2.5 mm;

sepals persistent, erect, often beak-capped.

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.

basiparietal, 14–25, tan, 4 × 2–2.5 mm.

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

= 28.