Flora of North America species comparison

usually erect to sprawling, 10–25(–50) dm;

distal branches arching, bark green;

infrastipular prickles paired, curved or appressed, 6–7 × 4–9 mm, lengths ± uniform, internodal prickles rare, single, rarely absent.

spreading and weak, sometimes erect, slender, 3–10(–13) dm, openly branched;

bark dull reddish brown, glabrous;

infrastipular prickles usually paired, erect, sometimes declined, rarely curved, flat, subulate, (2–)3–9 × 1.5–3 mm, base glabrous, internodal prickles sparsely or densely mixed with aciculi, stipitate glands and smaller internodal prickles.

deciduous, 6–11 cm;

stipules 10–22 × 3–5 mm, auricles 3–5 mm, margins stipitate-glandular or eglandular, surfaces glabrous, eglandular or sparsely stipitate-glandular;

petiole and rachis sometimes with pricklets, glabrous, eglandular;

leaflets 5–7, terminal: petiolule 5–11 mm, blade ovate, obovate, or elliptic, 15–40 × 12–20 mm, base obtuse to slightly cuneate, margins 1- or multi-serrate, teeth 20–30 per side, apex acute, sometimes acuminate, abaxial surfaces glabrous, rarely pubescent or tomentose on midveins, eglandular, adaxial dark green to green, lustrous to dull, glabrous, rarely tomentose.

5–10(–16) cm;

stipules 10–18(–23) × 2–3 mm, auricles flared, 2–4 mm, margins entire or subserrate, eglandular or finely stipitate-glandular, surfaces glabrous, rarely puberulent, eglandular;

petiole and rachis sometimes with pricklets 3 mm, aciculi few, glabrous, rarely pubescent, rarely stipitate-glandular;

leaflets (3–)5–7(–9), terminal: petiolule 4–11 mm, blade ovate, elliptic, or lanceolate, 18–50 × 9–28 mm, membranous, base cuneate, margins 1–2+-serrate, teeth 8–14(–18) per side, eglandular or gland-tipped, apex acute to acuminate, rarely obtuse, abaxial surfaces pale green, glabrous, rarely pubescent, eglandular or glandular, adaxial usually green, dull, rarely slightly lustrous, glabrous.

panicles, sometimes corymbs, solitary, sometimes 2 or 3(–7)-flowered.

corymbs, 1–3(–6)-flowered.

erect to reflexed as hips mature, 8–20 mm, eglandular or stipitate-glandular;

bracts 2, ovate-lanceolate, 6–18 × 4–5 mm, margins glandular-serrate, abaxial surfaces puberulent, adaxial surfaces glabrous, eglandular.

erect, slender, 5–19 mm, glabrous, sparsely to ± densely stipitate-glandular, sometimes eglandular;

bracts 2, lanceolate, 10–17 × 2–4 mm, margins entire, usually eglandular, surfaces with sparse hairs, stipitate-glandular.

3.5–5 cm diam.;

hypanthium narrowly urceolate, 7–9 × 3–6 mm, eglandular, neck 2–3 × 1–2 mm;

sepals appressed-reflexed, spreading, or erect, ovate-lanceolate, 10–17 × 3–5 mm, margins deeply pinnatifid, tip 4–6 × 0.5 mm, abaxially eglandular;

petals rose, pink, or white, sweet-scented, 18–25 × 15–18 mm;

carpels 26–36, styles villous, exsert 1–2 mm beyond stylar orifice (0.7–1.5 mm diam.) of hypanthial disc (4–5 mm diam.).

3–5.5 cm diam.;

hypanthium globose or ovoid, 4–6(–8) × 3.5–5(–8) mm, glabrous, ± densely to sparsely stipitate-glandular, sometimes eglandular, neck (0–)0.5–1 × 2 mm;

sepals reflexed, sometimes spreading, lanceolate, 10–22 × 2–3 mm, tip 2–10 × 0.5–1 mm, margins pinnatifid or entire, abaxial surfaces rarely puberulent, stipitate-glandular, rarely eglandular;

petals single, pink, 15–24 × 13–19 mm;

stamens 105;

carpels 32–46, styles exsert 1 mm beyond stylar orifice (1.5–2 mm diam.) of hypanthial disc (4–5 mm diam.).

red, globose, ovoid, urceolate, or ellipsoid, 10–16(–24) × 6–16 mm, glabrous, eglandular;

sepals deciduous as hips mature, reflexed.

red or orange-red, globose or depressed-globose, rarely ellipsoid, 7–14 × 6–15 mm, fleshy, glabrous, densely to sparsely stipitate-glandular, sometimes eglandular, neck 0–0.5 × 5–6 mm;

sepals early deciduous, spreading to reflexed.

14–23, tan, 5–6 × 3–3.5 mm.

basal, 2–6(–10), tan, 4–5 × 2.5–3 mm.

= 35.