Flora of North America species comparison

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.

erect, 10–25(–30) dm, sparsely branched;

bark reddish brown, glabrous;

infrastipular prickles paired, curved, rarely erect, stout, 3.5–8 × 2–5(–10) mm, base glabrous, internodal prickles and aciculi rare, sometimes absent.

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.

8–11 cm;

stipules narrow, 10–22(–35) × 2.5–4 mm, auricles erect, rarely flared, 2.5–4.5(–8) mm, margins serrulate, eglandular or stipitate-glandular, surfaces glabrous, eglandular;

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

leaflets 5–7, terminal: petiolule 5–10 mm, blade ovate-lanceolate, rarely broadly lanceolate or narrowly elliptic, 23–45 × 10–18 mm, membranous, base cuneate, margins 1–2-serrulate, eglandular, teeth 20–30 per side, acute to ± obtuse, eglandular, apex acute to subacute, abaxial surfaces pale green, glabrous or pubescent, eglandular, adaxial green, dull, glabrous.

corymbs, 1–6(–15)-flowered.

corymbs, (1 or)2–10(–40)-flowered.

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.

erect, slender, 6–15 mm, glabrous, densely stipitate-glandular;

bracts 2, lanceolate, 6–15 × 3–4 mm, margins and central veins pubescent, eglandular, surfaces pubescent, eglandular.

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.).

2.5–5 cm diam.;

hypanthium cupulate, 2–4 × 2–4 mm, glabrous, sparsely to densely stipitate-glandular, neck absent or 1–3 mm;

sepals spreading to reflexed, rarely erect, lanceolate to narrowly ovate-lanceolate, 15–30(–40) × 2–3.5 mm, tip 2.5–3.5 × 0.5–1 mm, margins entire, rarely pinnate, abaxial surfaces glabrous, densely, sometimes sparsely, stipitate-glandular;

petals single, pink to deep pink, 14–28 × 13–28 mm;

stamens 200;

carpels 24–50, styles exsert 0.5–1 m beyond stylar orifice (1.5 mm diam.) of hypanthial disc (3.5–4.5 mm diam.).

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.

deep red, usually globose to subglobose, rarely elongate, 7–11 × 7–11 mm, fleshy, glabrous, sparsely or densely stipitate-glandular, neck absent or 3 × 1 mm;

sepals deciduous, spreading.

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

basal, 26, tan, 3 × 1.5–2 mm.

= 28.

= 14.