Flora of North America species comparison

spreading, procumbent, or erect, 2–8(–10) dm, openly branched;

bark dark brown, glabrous;

infrastipular prickles sometimes present, paired, erect or declined, rarely curved, subulate, 6 × 6 mm, base glabrous, internodal prickles usually dense, mixed with aciculi, erect or declined, subulate, terete, 2–7 × 2 mm, eglandular.

erect, (1–)2–4(–8) dm, openly branched;

bark often glaucous when young, gray to dark brown with age, glabrous;

infrastipular prickles paired, erect, largest ± flattened, subulate, 3–10 × 2–7 mm, base glabrous, internodal rare or absent, smaller, mixed with aciculi, eglandular.

3–10 cm;

stipules 10–14 × 4–5.5 mm, auricles flared, 4–5 mm, margins entire or glandular-serrate, eglandular or gland-tipped, surfaces glabrous, eglandular;

petiole and rachis with pricklets, glabrous, rarely puberulent, eglandular;

leaflets (5–)7–9, terminal: petiolule 3–5(–9) mm, blade narrowly elliptic or lanceolate, rarely ovate, 13–27(–40) × 7–17 mm, membranous, margins 1-serrate, eglandular, rarely gland-tipped, teeth 12–17 per side, sometimes gland-tipped, apex acute to subacuminate, abaxial surfaces green, glabrous or pubescent, eglandular, adaxial deep green, purplish red in fall, lustrous, glabrous.

2.5–11 cm;

stipules 5–10 × 2–4 mm, auricles flared, 1–3 mm, margins entire, usually sessile-glandular, surfaces glabrous, stipitate-glandular;

petiole and rachis with sparse pricklets, glabrous or densely fine hairy hairs to 0.2 mm, densely stipitate-glandular;

leaflets (3–)5–7, terminal: petiolule 3–20 mm, blade obovate or widely elliptic-cuneate to ± orbiculate, 10–30(–50) × 8–25(–30) mm, membranous to ± leathery, base rounded-obtuse, margins 2+-crenate, teeth 8–12 per side, obtuse, gland-tipped, apex obtuse to truncate, abaxial surfaces gray-green, finely puberulent, sometimes sparsely stipitate-glandular, adaxial green, dull, finely puberulent to glabrate.

corymbs, 1–3-flowered.

corymbs, 1 or 2(–7)-flowered.

erect or recurved (as hips mature), slender, 13–25 mm, glabrous, densely long stipitate-glandular;

bracts 1 or 2, lanceolate, 9–18 × 3.5–7 mm, margins entire, rarely serrate, few gland-tipped, apically cleft 2–3.5 mm, surfaces glabrous, eglandular.

erect, relatively slender, 5–17 mm, glabrous, eglandular or stipitate-glandular;

bracts 1–3, lanceolate, 3–10 × 1–6 mm, margins entire, stipitate-glandular, surfaces glabrous, eglandular.

4–5 cm diam.;

hypanthium globose or subglobose, 3–4 × 3–5 mm, glabrous, densely stipitate-glandular, neck absent;

sepals spreading to reflexed, lanceolate, 14–22 × 2–3 mm, tip 5–10 × 0.5–1 mm, margins entire, abaxial surfaces glabrous, densely stipitate-glandular;

petals single, pink to rose, 19–23 × 20–23 mm;

carpels 20–24, styles exsert 0.5–1 mm beyond stylar orifice (1.5–2 mm diam.) of hypanthial disc (4 mm diam.).

2.5–3.5 cm diam.;

hypanthium ovoid-globose to widely urceolate, 4–5 × 3–4 mm, glabrous, rarely sparsely setose, usually eglandular, neck 0.5–1(–2) × 1.5–3 mm;

sepals spreading, lanceolate, 6–14 × 2–3 mm, tip 0–4 × 0.5 mm, margins entire, abaxial surfaces puberulent, usually stipitate-glandular;

petals single, deep pink, 10–20 × 10–20 mm;

carpels 10–30, styles exsert 0.5–1 mm beyond stylar orifice (1–1.5 mm diam.) of hypanthial disc (2–4 mm diam.).

red to dark red, globose to depressed-globose, 8–10 × 7–10 mm, fleshy, glabrous, densely stipitate-glandular, neck absent;

sepals deciduous, erect or spreading to reflexed.

scarlet, ovoid to depressed-globose to pyriform, (8–)10–18 × 7–14 mm, fleshy, glabrous, rarely sparsely setose distally, eglandular, neck 1 × 2.5–4.5 mm;

sepals persistent, erect.

basal, 10–14, tan, darkening with age, 2.6–2.8 × 1.6–1.8 mm.

basiparietal, 1–11, cream to pale brown, 3.5–5(–6.5) × 2.5–4 mm.

= 14.

= 14, 28.