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.

erect to ascending, (2–)10–30 dm, densely branched;

bark red to purplish red, glabrous;

infrastipular prickles paired or single, usually curved, sometimes erect, or declined, appressed, stout, 6–10 × 4–10 mm, base glabrous, internodal prickles or aciculi rare, smaller, sometimes absent.

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.

5–8(–11) cm;

stipules 14–25 × 4–9 mm, auricles flared, 3–5 mm, margins undulate, irregularly glandular-serrate, surfaces glabrous, eglandular;

petiole and rachis sometimes with pricklets and aciculi, glabrous, puberulent, or sparsely pubescent, stipitate-glandular;

leaflets 5–7(–9), terminal: petiolule 6–14 mm, blade narrowly elliptic to ovate, 17–32 × 6–16 mm, membranous, base cuneate, margins 1–2-serrate, teeth 10–18(–23) per side, gland-tipped or eglandular, apex acute, sometimes obtuse, abaxial surfaces pale green, glabrous or pubescent, eglandular, adaxial deep green, turning purplish red in fall, lustrous, glabrous.

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

corymbs, 1–6(–15)-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 to stout, 7–14(–25) mm, glabrous, sparsely to densely stipitate-glandular;

bracts 2, broadly lanceolate, 16–25 × 4–6 mm, margins entire, sometimes serrate, gland-tipped, surfaces glabrous with few hairs, eglandular.

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.).

4.3–5.5 cm diam.;

hypanthium subglobose or depressed-globose, sometimes globose, 3.5–5.5 × 5.5–6.5 mm, glabrous, stipitate-glandular, neck absent;

sepals spreading or reflexed, lanceolate, 20–40 × 2.5–4 mm, tip 6–12 × 0.5–2 mm, margins usually pinnatifid, rarely entire, inner 2 usually entire, abaxial surfaces glabrous, densely stipitate- or setose-glandular;

petals single, pink to deep rose, rarely white, 22–26 × 25–30 mm;

stamens 140;

carpels 26–40(–65), styles exsert 1–2.5 mm beyond stylar orifice (1.5–3 mm diam.) of hypanthial disc (3–5 mm diam.).

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

sepals deciduous as hips mature, reflexed.

orange-red to red or red-black, globose to depressed-globose, 8–12 × 9–13 mm, fleshy, glabrous, stipitate-glandular, neck absent;

sepals deciduous, erect.

14–23, tan, 5–6 × 3–3.5 mm.

mostly basal, fewer basiparietal, 8–14, tan, 3–4 × 1.5–3.5 mm.

= 35.

= 28.