Flora of North America species comparison

erect, arching, procumbent, or climbing, 15–30(–100) dm;

bark of canes green to reddish brown;

infrastipular prickles paired, curved, rarely erect, stout, 4–6 × 3 mm, internodal prickles fewer, similar, aciculi absent.

± flexuous, erect, to 20 dm, sparsely branched, distal branches and leaves glaucous, with purplish bloom;

bark becoming red-brown, glabrous;

infrastipular prickles absent, internodal prickles sparse or absent, aciculi absent or erect, curved, or declined, subulate, 2–5 × 1.5–4.5 mm, base mostly broad, eglandular.

deciduous, 5–12 cm;

stipules narrowly lanceolate, 8–13 × 1.5–2 mm, auricles flared, 4–8 mm, margins fimbriate, cleft to 3 mm, usually stipitate-glandular or gland-tipped, surfaces glabrous, sometimes puberulent, eglandular or sessile- or stipitate-glandular;

petiole and rachis with pricklets, puberulent, pubescent, or tomentose, usually stipitate-glandular, sometimes eglandular;

leaflets (5–)7–9(–11), terminal: petiolule 7–13 mm, blade obovate to elliptic, 10–45 × 8–25 mm, membranous, base cuneate, margins 1(–2)-serrate, teeth 12–20 per side, sharp, rarely gland-tipped, apex acute to long-acuminate, abaxial surfaces glabrous or pubescent (especially midveins), eglandular, adaxial green, dull, glabrous.

6–10.5 cm;

stipules 13–16 × 1.5–2 mm, auricles flared, 2.5–5 mm, margins entire, eglandular or sparsely gland-fringed, surfaces glabrous, eglandular;

petiole and rachis usually with pricklets, glabrous, eglandular;

leaflets 5–7(–9), terminal: petiolule 10–20 mm, blade narrowly elliptic to ovate, 20–45 × 15–25 mm, leathery, base cuneate, sometimes rounded, margins 1-serrate, eglandular or few gland-tipped, teeth 12–18 per side, eglandular, apex acute, abaxial surfaces pale green, sometimes dull red, glaucous, glabrous, eglandular, adaxial green-red or purplish, glaucous, dull, glabrous.

5–30+-flowered.

corymbs, rarely panicles, 1–5-flowered.

5–12 mm, pubescent (especially proximally), sometimes glabrous, stipitate-glandular or eglandular;

bracts 1 or 2, narrowly lanceolate, 5–10 × 1–2 mm, margins short stipitate-glandular, surfaces glabrous, eglandular.

erect, slender, (10–)15–25 mm, glabrous, stipitate-glandular;

bracts 1 or 2, narrowly ovate-lanceolate, 8–23 × 3–6 mm, margins entire, eglandular, surfaces glabrous, eglandular.

sweet-scented, 1.5–2.5 cm diam.;

hypanthium oblong, 2 × 1–1.5 mm, eglandular or stipitate-glandular;

sepals ovate-acuminate, 6–10 × 1.5–2 mm shorter than petals, margins pinnatifid, tip 1–2 × 0.5 mm, abaxial surfaces glabrous, usually stipitate-glandular;

petals single or double, white, rarely pale pink, 7–13 × 5–9 mm;

carpels 6–11, styles glabrous, exsert 3–4 mm beyond stylar orifice rims (0.5–1 mm diam.), hypanthial disc 2–3 mm diam.

2–3 cm diam.;

hypanthium narrowly ovoid, 5.5–7 × 3.5–5.5 mm, glabrous, eglandular, neck purplish, absent or 1 × 2 mm;

sepals spreading, lanceolate, 15–25 × 1.5–2 mm, tip 10–15 × 1 mm, margins entire, sometimes pinnatifid, abaxial surfaces glabrous, mostly stipitate-glandular;

petals single, deep pink to crimson-red, sometimes white basally, 8–14 × 5–6 mm;

carpels 30–32, styles exsert 1–2 mm beyond stylar orifice (1.5–2 mm diam.) of hypanthial disc (3 mm diam.).

orange-red to red, ovoid to globose, (4–)5–7(–10) × 5–7 mm, eglandular or sparsely stipitate-glandular.

dark brownish red to crimson red, globose, ovoid, or obovoid, 10–13 × 9–11 mm, fleshy, glabrous, eglandular, neck absent;

sepals deciduous as hips mature, erect to spreading.

6–11, tan, 3.8–5 × 2–2.5 mm.

basiparietal, 15–23, light tan to tan, 4–4.5 × 2.5–3 mm.

= 14.

= 28.