Difference between revisions of "Kerria japonica"
Trans. Linn. Soc. London 12: 157. 1818.
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
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|name=Rubus japonicus | |name=Rubus japonicus | ||
|authority=Linnaeus | |authority=Linnaeus | ||
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|publication_title=Mant. Pl. | |publication_title=Mant. Pl. | ||
|publication_place=2: 245. 1771 | |publication_place=2: 245. 1771 | ||
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|name=Corchorus japonicus | |name=Corchorus japonicus | ||
|authority=(Linnaeus) Houttuyn | |authority=(Linnaeus) Houttuyn | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Kerrieae;Kerria;Kerria japonica | |hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Kerrieae;Kerria;Kerria japonica | ||
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name=Kerria japonica | name=Kerria japonica | ||
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|authority=(Linnaeus) de Candolle | |authority=(Linnaeus) de Candolle | ||
|rank=species | |rank=species | ||
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|publication title=Trans. Linn. Soc. London | |publication title=Trans. Linn. Soc. London | ||
|publication year=1818 | |publication year=1818 | ||
| − | |special status= | + | |special status=Illustrated;Introduced |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V9/V9_651.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Kerrieae | |tribe=Rosaceae tribe Kerrieae | ||
Revision as of 23:42, 16 December 2019
Stems moderately flexuous. Leaves: stipules 1.5–2.5 mm; petiole channeled, 3–6(–9) mm; blade bicolored, (2–)3–6(–8.5) × (1–)1.5–3(–3.7) cm, base broadly cuneate to subcordate, proximal margins finely gland-tipped serrulate, ± plicate between impressed veins, apex long-acuminate, hairs 0.3–0.5 mm. Pedicels 5–22 mm, glabrous. Flowers: sepal margins entire, scarious, sometimes serrulate or glandular-fimbriate, apex acuminate, surfaces glabrous; petals (9–)17–25 × (2–)12–15 mm, claws 1–2 mm (innermost in multi-petaled cultivars showing transition toward stamens, 10 × 2–3 mm); filaments erect-ascending, straight, yellow, slender, 4–5 mm, anthers yellow, 0.2–0.3 mm. Nutlets 4–5 × 3.5–4 mm. 2n = 18.
Phenology: Flowering Mar–Jun; fruiting Jun–Aug.
Habitat: Moist suburban forests and woodlands, roadsides
Elevation: 0–700 m
Distribution
N.S., Ont., Ala., Conn., Ill., Mich., N.H., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Utah, Va., e Asia (China, Japan), introduced also in Europe.
Discussion
Kerria japonica is cultivated in central Europe and North America, particularly in the east, as a shade-tolerant ornamental shrub. The species persists long after cultivation and spreads mostly vegetatively, apparently only rarely spreading by seed. It is expected elsewhere. The cultivar 'Pleniflora' has multiple petals appearing as a yellow-orange rose.
Selected References
None.