Flora of North America species comparison

usually erect, (3–)5–12(–15) dm;

distal branches pubescent or glabrous, without stellate hairs;

infrastipular prickles absent, internodal prickles sparse to common, erect, (2–)6–10(–12) × 1–3 mm, pubescent at least basally, mixed with dense aciculi, to 3 mm.

procumbent or climbing, 10+ dm, rooting at nodes;

bark of canes green or brown;

prickles infrastipular and/or internodal, single or paired, curved or declined, ± stout, 4–5 × 2 mm, aciculi absent.

1.5–2.5 cm;

stipules 3.5–4 × 1.5–2 mm, margins entire or dentate with glands, surfaces pubescent, eglandular, auricles acute, (0.5–)2–3 mm, surfaces pubescent, eglandular;

petiole and rachis puberulent, stipitate glands and pricklets sparse;

leaflets 5–7, terminal: petiolule 1–4 mm, blade oval, suborbiculate, or obovate, 3–7 × 2–6 mm, margins deeply 1- or multi-lobed, usually glandular, teeth lobelike, (3 or)4 or 5(or 6) per side on distal 1/2 of blades, some multi-serrate, apex acute to obtuse, abaxial surfaces pubescent (especially on veins), adaxial dull, sometimes pubescent.

deciduous (north) or semipersistent (south), 8–10 cm;

stipules narrowly lanceolate, 10–12 × 2–3 mm, auricles erect, sometimes flared, 2–4 mm, margins fimbriate, stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis with pricklets, glabrous, stipitate- or, sometimes, sessile-glandular;

leaflets 7–9, terminal: petiolule 5–9 mm, blade broadly ovate to obovate, 15–30 × 12–20 mm, leathery, base cuneate, margins 1(–2)-serrate, teeth 12–16 per side, acute, gland-tipped, apex acute to acuminate, abaxial surfaces glabrous, eglandular except for glands on midveins, adaxial green, lustrous, glabrous.

(1–)5–20+-flowered.

1(–3)-flowered.

2–9 mm, setae sparse, eglandular;

bracts 1 or 2.

18–25 mm, glabrous, eglandular;

bracts 1–3, lanceolate, 9–16 × 2.5–5 mm, margins sparsely stipitate-glandular, surfaces glabrous, eglandular.

2.5–3 cm diam.;

hypanthium subglobose to globose, 3–4 × 2.5–3.5 mm, densely pubescent and setose;

sepals spreading, 8–12 × 2–4 mm, tip 4–6 × 1–1.5 mm, lobes 3–4, margins usually gland-tipped, abaxial surfaces pubescent, setae sparse, eglandular or sparsely glandular;

petals usually pink to light rose pink, sometimes white, 10–15(–20) × 9–14 mm;

stamens 45;

carpels 10–25(–30), styles exsert 1–2 mm beyond stylar orifice (2–4 mm diam.), rims 0.5–0.8 mm wide.

scent of apple or clover, 2–2.5 cm diam.;

hypanthium urceolate, 4–6.5 × 2–3 mm, eglandular, neck (0–)1 × 4–5 mm;

sepals ovate-acuminate, 6–8 × 1–1.5 mm, margins pinnatifid, tip 2 × 0.5 mm, abaxial surfaces glabrous, eglandular;

petals double, sometimes single, white, pink to rose distally, 13–15 × 11–15 mm;

carpels 12–21, styles pilose, exsert 3.5–5 mm beyond stylar orifice (1.5–2 mm diam.), hypanthial disc appearing flattened with age, 3–4 mm diam.

dark reddish purple, subglobose, 5–7 × 5–7 mm, setae 1–4 mm, pubescent, eglandular.

red, globose, 5–10 × 5–9 mm, eglandular.

6–16, dark, ± terete-elongate, 3.5–4 × 1.5–2 mm.

1–11, dark tan, 4–4.5 × 2–2.5 mm.

= 14.

= 14(28).