Difference between revisions of "Photinia villosa"

(Thunberg) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 2: 631. 1825.

Common names: Smooth oriental photinia
Introduced
Basionym: Crataegus villosa Thunberg in J. A. Murray, Syst. Veg. ed. 14, 465. 1784 Undefined fl. Jap. 204. 1784
Synonyms: Pourthiaea villosa (Thunberg) Decaisne
Treatment appears in FNA Volume 9. Treatment on page 490. Mentioned on page 445, 489, 491.
FNA>Volume Importer
FNA>Volume Importer

Revision as of 23:14, 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

V9 826-distribution-map.jpg

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.

Lower Taxa

None.
... more about "Photinia villosa"
Guy L. Nesom +
(Thunberg) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
Crataegus villosa +  and Undefined fl. +
Smooth oriental photinia +
Del. +, D.C. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, Wash. +, Asia (China +, Japan +  and Korea). +
20–200 m +
Fencerows, thickets, disturbed sites +
Flowering late Mar–Apr. +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Introduced +
Pourthiaea villosa +
Photinia villosa +
Photinia +
species +