Flora of North America species comparison

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Photinia serratifolia

Chinese photinia, Chinese photinia or hawthorn, photinia, Taiwanese photinia
Habit Plants 40–60(–120) dm.
Leaves

persistent;

petiole 20–40 mm, villous adaxially when young, glabrescent;

blade narrowly elliptic to oblong, obovate-elliptic, or narrowly obovate, (6–)9–20 × 3–6.5 cm, coriaceous, base rounded or broadly cuneate, margins sharply serrate to rarely inconspicuously toothed or entire, lateral veins 20–30 pairs, apex acuminate, abaxial surfaces slightly villous along veins when young, quickly glabrescent.
Inflorescences

10–18 cm diam.
Pedicels

without lenticels.
Flowers

6–8 mm diam.;

petals suborbiculate, 3–4 mm, glabrous or villous.

Photinia serratifolia
Phenology Flowering late Mar–Apr.
Habitat Fencerows, thickets, disturbed sites
Elevation 20–200 m (100–700 ft)
Distribution
from FNA
AL; GA; LA; MS; TX; Asia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Discussion

Four varieties of Photinia serratifolia are recorded in China; var. serratifolia occurs in the flora area and has leaf margins prominently serrate, entire only near the base (versus entire to shallowly and inconspicuously serrate in other varieties). Cultivars have been developed, however, differing in growth form, coloration, and leaf margins, and a formal identification to variety is problematic. Chinese photinia can grow larger than P. ×fraseri (‘red tip’) or Japanese photinia, and flowers appear before those of either.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 490.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Photinia
Sibling taxa
P. davidiana, P. glabra, P. villosa
Synonyms Crataegus serratifolia
Name authority (Desfontaines) Kalkman: Blumea 21: 424. (1973)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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