Physocarpus intermedius (Rydberg) C. K. Schneider (Q4451)

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Physocarpus intermedius is a taxon with the rank species within the genus Physocarpus
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English
Physocarpus intermedius (Rydberg) C. K. Schneider
Physocarpus intermedius is a taxon with the rank species within the genus Physocarpus

    Statements

    taxon/id/Physocarpus intermedius (Rydberg) C.K. Schneider
    0 references
    Physocarpus intermedius (Rydberg) C.K. Schneider
    Physocarpus intermedius
    (Rydberg) C.K. Schneider
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Physocarpus intermedius
    physocarpe intermédiaire (French)
    midwestern ninebark (English)
    prairie ninebark (English)
    Atlantic nine-bark (English)
    1 reference
    Scoggan, H.J. 1978-79. The Flora of Canada. Parts 1-4. National Museum of Natural Sciences, Publications in Botany 7. 4 volumes.
    Mexico (Coahuila)
    Mexico (Nuevo León)
    Flowering Jun; fruiting Jul–Sep.
    rocky wooded
    pseudotsuga forests
    Stems ascending to erect, ± glabrous.
    Leaves: stipules linear to narrowly ovate, 6 × 1.5 mm, apex acute;
    petiole 0.7–1.5 cm;
    blade orbiculate to broadly ovate, 3–6 × 2–4 cm, usually longer than wide, base broadly cuneate to truncate or slightly cordate, 3 (–5) -lobed, margins deeply and irregularly crenate to doubly crenate, apex rounded to obtuse or acute, surfaces mostly glabrous, sometimes sparsely hairy abaxially.
    Inflorescences 15–20-flowered, dense, hemispheric racemes, 4 cm diam.;
    bracts elliptic to spatulate or rhombic, 5 × 2 mm, apex not recorded, faces glandular-dentate.
    Pedicels 1–2 cm, usually stellate-hairy.
    Flowers 10–12 mm diam.;
    hypanthium cupshaped, 2 mm, moderately to densely stellate-hairy;
    sepals pale green to white, darker in center, triangular, 2.5–3.2 mm, apex sometimes obtuse, mucronate, gland-tipped, surfaces densely stellate-hairy;
    petals white, broadly elliptic to orbiculate, 5–6 × 5–6 mm;
    stamens shorter than or equal to petals;
    carpels 3–5, connate basally, densely stellate-hairy (sometimes only on sutures).
    Follicles 3–5, connate basally, ovoid, 5–8 mm (lengths ca. 2 times sepals), densely stellate-hairy (sometimes only on sutures);