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, sometimes spreading, slender, (1–)3–15(–25) dm, sparsely or densely branched;

bark sometimes glaucous, reddish brown with age, glabrous;

infrastipular prickles 0–2, erect, subulate, 2–8(–10) × 1.5 mm, terete, internodal prickles similar or smaller, sparse to dense, sometimes absent on distal stems, mixed with aciculi, base terete, eglandular.

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.

(2–)4–10(–17) cm;

stipules 5–15 × 2–5 mm, auricles flared, 2–3 mm, margins entire, stipitate-glandular, surfaces glabrous, eglandular;

petiole and rachis with pricklets, glabrous, rarely finely puberulent, sparsely stipitate-glandular;

leaflets 5–9(–11), terminal: petiolule (2–)5–12(–20) mm, blade elliptic to obovate or ovate to nearly orbiculate, (4–)10–40(–60) × (4–)10–20(–40) mm, membranous to ± leathery, margins 2+-serrate, teeth 7–13 per side, obtuse to acute, gland-tipped, apex obtuse, sometimes nearly acute, rounded, or truncate, abaxial surfaces pale green, glabrous, eglandular, adaxial green, dull, glabrous.

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

corymbs, usually 1–3-flowered, rarely in multi-flowered candelabras.

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, ± curved as hips mature, slender, 10–25(–35) mm, glabrous, stipitate-glandular, rarely eglandular (except var. serpentina);

bracts some early caducous, 1 or 2, attached near pedicel bases, ovate or lanceolate, 4–12 × 2–8 mm, margins entire, short stipitate-glandular, apex acute or rounded, surfaces glabrous, 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.).

1.5–3 cm diam.;

hypanthium narrowly ovoid-urceolate, 2–4 × 1.5–2 mm, glabrous, eglandular, neck 0–1 × 1.5 mm;

sepals ascending to reflexed, lanceolate, 5–10 × 2–3 mm, tip 0.1–5 × 1 mm, margins entire, abaxial surfaces glabrous, eglandular, sometimes stipitate-glandular;

petals single, deep pink, 8–15 × 6–13 mm;

stamens 57;

carpels 3–12(–16), styles exsert 1–1.5 mm beyond stylar orifice (1 mm diam.) of hypanthial disc (2–4 mm diam.).

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

sepals deciduous as hips mature, reflexed.

scarlet, irregularly ellipsoid or ellipsoid to nearly globose, 7–15 × 5–13 mm, fleshy, glabrous, eglandular, neck 0–2 × 1.5–2.5 mm;

sepals, styles, and distal receptacle collectively deciduous at fruit maturity along well-defined, circumscissile line, erect to reflexed.

14–23, tan, 5–6 × 3–3.5 mm.

basiparietal, (1–)4–10(–12), cream to pale brown, (3–)4.5–7 × 2–4 mm.

= 35.