Physocarpus capitatus (Pursh) Kuntze (Q4448)
Physocarpus capitatus is a taxon with the rank species within the genus Physocarpus
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Physocarpus capitatus (Pursh) Kuntze
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Physocarpus capitatus is a taxon with the rank species within the genus Physocarpus
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Statements
taxon/id/Physocarpus capitatus (Pursh) Kuntze
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Physocarpus capitatus (Pursh) Kuntze
Physocarpus capitatus
(Pursh) Kuntze
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-AB
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Gould, J. 2010. (pers. comm.)
CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-BC
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US-AK
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US-CA
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US-ID
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US-OR
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US-WA
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20–1300 m
20 meter
1,300 meter
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Shrubs, to 45 (–60) dm.
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Stems erect, sometimes suckering, angled, glabrous or finely stellate-hairy.
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Leaves: stipules linear to narrowly elliptic, 4 × 0.5–2 mm;
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petiole 1–2 (–3) cm;
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blade broadly ovate to obovate, (3–) 4–8 cm, usually as wide as long, base rounded to truncate or slightly cordate, 3-lobed or 5-lobed, margins irregularly crenate to doubly serrate, apex obtuse to acute, abaxial surface paler, glabrous or more densely stellate-hairy, adaxial glabrous or sparsely stellate-hairy.
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Inflorescences 30–50-flowered, dense, hemispheric racemes, 3 cm diam., sometimes compound with some proximal pedicels becoming secondary peduncles;
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bracts narrowly elliptic to spatulate, 4 × 2 mm, apex acute or erose-dentate, faces glandular.
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Pedicels 1–1.5 cm, densely stellate-hairy.
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Flowers 5–8 mm diam.;
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hypanthium cupshaped, 2 mm, densely stellate-hairy;
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sepals pale green to white, darker in center, triangular, 2–3 mm, apex gland-tipped, surfaces densely stellate-hairy;
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petals white, broadly elliptic to orbiculate, 3–4 × 3–4 mm;
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stamens equal to or exceeding petals;
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carpels 3–5, connate basally, mostly glabrous, sometimes hairy (on ventral suture).
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Follicles 3–5, connate basally, shiny brown, ovoid, 5–7 mm (lengths slightly exceeding sepals), glabrous;
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Seeds 2 (–5), pyriform, 2.3–2.8 mm. 2n = 18.
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rounded
truncate or slightly cordate 3-lobed or 5-lobed
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rounded
truncate or slightly cordate 3-lobed or 5-lobed
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irregularly crenate
doubly serrate
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