Difference between revisions of "Photinia villosa"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 2: 631. 1825.
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|name=Crataegus villosa | |name=Crataegus villosa | ||
|authority=Thunberg | |authority=Thunberg | ||
| + | |rank=species | ||
|publication_title=in J. A. Murray, Syst. Veg. ed. | |publication_title=in J. A. Murray, Syst. Veg. ed. | ||
|publication_place=14, 465. 1784 | |publication_place=14, 465. 1784 | ||
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|name=Undefined fl. | |name=Undefined fl. | ||
|authority=Jap. | |authority=Jap. | ||
| + | |rank=species | ||
|publication_title= | |publication_title= | ||
|publication_place=204. 1784 | |publication_place=204. 1784 | ||
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|name=Pourthiaea villosa | |name=Pourthiaea villosa | ||
|authority=(Thunberg) Decaisne | |authority=(Thunberg) Decaisne | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Gillenieae;Photinia;Photinia villosa | |hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Gillenieae;Photinia;Photinia villosa | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Photinia villosa | name=Photinia villosa | ||
| − | |||
|authority=(Thunberg) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | |authority=(Thunberg) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle | ||
|rank=species | |rank=species | ||
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|publication year=1825 | |publication year=1825 | ||
|special status=Introduced | |special status=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_826.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Revision as of 23:44, 16 December 2019
Plants 20–50 dm. Leaves deciduous; petiole 2–6 mm, villous; blade obovate, oblong-obovate, or elliptic, 3–8 × 2–4 cm, herbaceous, base cuneate, margins densely sharply serrate distally, lateral veins 5–7 pairs, apex caudate, surfaces initially white-villous, at maturity abaxial surfaces villous only along veins, adaxial glabrescent or glabrate. Inflorescences 3–6 cm diam. Pedicels with warty lenticels. Flowers 7–12 mm diam.; petals suborbiculate, 4–5 mm, adaxially pilose near base.
Phenology: Flowering late Mar–Apr.
Habitat: Fencerows, thickets, disturbed sites
Elevation: 20–200 m
Distribution
Del., D.C., N.H., N.J., N.Y., Ohio, Pa., Wash., Asia (China, Japan, Korea).
Discussion
About five varieties of Photinia villosa are recognized in Asia, differing mainly in persistence of vestiture, leaf shape, and number of flowers per inflorescence. At least some of the plants offered for sale in the United States apparently are var. sinica Rehder & E. H. Wilson, but cultivars have been developed, and a formal identification at varietal rank would be speculative, based on characters apparently of overlapping morphology.
Selected References
None.