Rosa acicularis Lindley (Q4079)

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Rosa acicularis is a taxon with the rank species within the section Rosa sect. Rosa
Language Label Description Also known as
English
Rosa acicularis Lindley
Rosa acicularis is a taxon with the rank species within the section Rosa sect. Rosa

    Statements

    taxon/id/Rosa acicularis Lindley
    0 references
    Rosa acicularis Lindley
    Rosa acicularis
    Lindley
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    églantier (French)
    prickly rose (English)
    wild prickly rose (English)
    bristly rose (English)
    rosier aciculaire (French)
    Acicular rose (English)
    Eurasia
    Shrubs, forming dense thickets.
    Stems erect, stout, (3–) 10–20 (–25) dm, sparsely or densely branched distally;
    bark pale-brown with tips dull red, glabrous;
    infrastipular prickles absent, internodal prickles dense, erect, subulate, terete, ± flattened, 9 × 4 mm, sparsely stipitate-glandular, mixed with dense aciculi.
    Leaves 5.5–15 cm;
    stipules 20–25 × 3–8 mm, auricles flared or erect, 5–7 mm, margins usually entire, stipitate-glandular, surfaces glabrous, sometimes puberulent, sparsely sessile-glandular or eglandular;
    petiole and rachis usually (rarely) with pricklets, glabrous or puberulent to pubescent, sessile-glandular;
    leaflets 5–7 (on annual shoots), terminal: petiolule 6–20 mm, blade elliptic, ovoid, or ovatelanceolate, 20–60 × 13–32 mm, firm, margins 1 (–2+) -dentate-serrate, teeth 11–25 per side acute or obtuse, gland-tipped or eglandular, apex acute or obtuse, abaxial surfaces light green, glabrous or puberulent (on main veins), eglandular or sparsely to densely sessile-glandular, adaxial green, dull, glabrous or sparsely hairy.
    Inflorescences corymbs, 1 or 2 (or 3) -flowered.
    Pedicels reflexed as hips mature, slender, (13–) 20–28 (–35) mm, glabrous, stipitate-glandular or eglandular;
    bracts 1–3, ovoid, 18–22 × 4–14 mm, margins entire, sessile or short-stipitate-glandular, surfaces glabrous, sometimes hairy, eglandular.
    Flowers 3–6 cm diam.;
    hypanthium ovoid to oblong, 5–8 × 4–6 mm, glabrous, eglandular, neck 1 × 2.5–3 mm;
    sepals spreading, often beak-capped, lanceolate, 20–33 × (2.5–) 3–3.5 mm, tip 7–12 × 0.5–0.8 mm, margins entire, sometimes pinnatifid, abaxial surfaces glabrous, sometimes pubescent, eglandular or stipitate-glandular (north);
    petals single, rose-pink to pale-pink, (13–) 22–25 × (11–) 20–25 mm;
    stamens 75–100;
    carpels 18–33, styles exsert 1 mm beyond stylar orifice (2 mm diam.) of ± flat hypanthial disc (3.5–4.5 mm diam.).
    Hips orange-red to bright red or blue-purple, globose to ellipsoid or urceolate, 10–23 × 9–11 mm, fleshy, glabrous, eglandular, neck 1–2 × 2–2.5 mm;
    sepals persistent, erect, often beak-capped.
    Achenes basiparietal, 14–25, tan, 4 × 2–2.5 mm.