Difference between revisions of "Physocarpus opulifolius"
Trudy Imp. S.-Petersburgsk. Bot. Sada 6: 220. 1879.
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|publication year=1879 | |publication year=1879 | ||
|special status=Endemic;Illustrated | |special status=Endemic;Illustrated | ||
− | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V9/V9_572.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Neillieae | |tribe=Rosaceae tribe Neillieae |
Revision as of 01:30, 28 May 2020
Shrubs, to 30 dm. Stems spreading to ascending, ± glabrous. Leaves: stipules narrowly ovate, 6–10 × 1.5–2.5 mm, apex acute; petiole 1–3 cm; blade ovate to obovate, 6–8.5(–10) × 4–7(–10) cm, usually longer than wide, base broadly cuneate to truncate, 3(–5)-lobed, margins irregularly serrate, apex obtuse to rounded, surfaces mostly glabrous, sometimes sparsely hairy abaxially. Inflorescences 30–50-flowered, open, hemispheric racemes, 5 cm diam.; bracts elliptic to spatulate or rhombic, 5 × 2.5 mm, apex acute to 3-fid or coarsely erose, faces glandular. Pedicels 1–2 cm, usually stellate-hairy. Flowers 7–10 mm diam.; hypanthium cup-shaped, 1.5–2 mm, glabrous or sparsely stellate-hairy; sepals pale green to white, darker in center, triangular, 1.5–2.5 mm, apex mucronate, gland-tipped, surfaces usually stellate-hairy; petals white to pale pink, broadly elliptic to orbiculate, 4–5 × 4–5 mm; stamens equal to or exceeding petals, anthers purplish; carpels 3–5, connate basally, sparsely stellate-hairy, glabrescent. Follicles 3–5, connate basally, bright red to brownish red, ovoid, 5–10 mm (lengths ca. 2 times sepals), sparsely stellate-hairy, ± glabrescent; styles 4 mm. Seeds 2(–5), pyriform, 2 mm. 2n = 18.
Phenology: Flowering May–Jun; fruiting Jul–Sep.
Habitat: Rocky stream banks, lake shores, moist woods, swampy ground
Elevation: 0–1300 m
Distribution
![V9 572-distribution-map.jpg](/w/images/7/7e/V9_572-distribution-map.jpg)
N.B., N.S., Ont., Que., Ala., Ariz., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Miss., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Vt., Va., W.Va., Wis., introduced in Europe.
Discussion
Physocarpus opulifolius is the most widespread species in the wild and is commonly cultivated in North America and Europe; it occasionally escapes from cultivation and has become established in parts of Europe.
Selected References
None.