Chaenomeles japonica

(Thunberg) Lindley ex Spach

Hist. Nat. Vég. 2: 159. 1834.

Common names: Japanese flowering quince
Introduced
Basionym: Pyrus japonica Thunberg Nova Acta Regiae Soc. Sci. Upsal. 3: 208. 1780
Synonyms: Cydonia japonica (Thunberg) Persoon
Treatment appears in FNA Volume 9. Treatment on page 485.

Shrubs, 0.2–10 dm. Branches purple, scabrous (and tomentose when young, becoming blackish brown, verrucose, glabrous with age). Leaves: stipules of vegetative branches reniform, to 1 cm, margins crenate-serrate, apex usually obtuse; petiole 4–6 mm; blade obovate, spatulate, or broadly ovate, 3–5 × 2–3 cm, base cuneate to broadly cuneate, margins crenate-serrate, apex obtuse to acute, abaxial surface glabrous. Flowers 25–40 mm diam.; sepals ovate, rarely suborbiculate, 4–5 mm; petals dark red, obovate or suborbiculate, 15–25 mm; stamens 40–60, 1/2 length of petals. Pomes yellow, subglobose, 23–40 mm diam.


Phenology: Flowering Apr–May; fruiting Aug–Oct.
Habitat: Vacant lots, old fields, fencerows, wastelands
Elevation: 10–600 m

Distribution

V9 818-distribution-map.jpg

Introduced; Ill., Miss., N.Y., Pa., Vt., W.Va., e Asia (Japan), also in Europe

Discussion

Chaenomeles japonica is cultivated as an ornamental for its showy spring flowers.

Selected References

None.

Lower Taxa

None.
... more about "Chaenomeles japonica"
Paul M. Catling +  and Gisèle Mitrow +
(Thunberg) Lindley ex Spach +
purple +, purplish black +, blackish brown +  and purplish brown +
compound +  and simple +
opposite +  and alternate +
cuneate +  and broadly cuneate +
Pyrus japonica +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
ovate +, spatulate +  and obovate +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
? (?) +  and ? (?) +
2cm +  and 3cm +
adnate +  and connate +
Japanese flowering quince +
Ill. +, Miss. +, N.Y. +, Pa. +, Vt. +, W.Va. +, e Asia (Japan) +  and also in Europe +
not +  and aggregated +
10–600 m +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
yellowish green +  and yellow +
2.3 cm23 mm <br />0.023 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Vacant lots, old fields, fencerows, wastelands +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
constricted +
3-5[-10]-flowered +
hairy +  and glabrous +
crassinucellate +
semipersistent +  and deciduous +
toothed +, unlobed +  and lobed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
0 (?) +  and 4 (?) +
free +  and distinct +
1/2 +  and 5 +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Apr–May +  and fruiting Aug–Oct. +
adnate +, free +, connate +  and distinct +
2.3 cm23 mm <br />0.023 m <br /> (4 cm40 mm <br />0.04 m <br />) +
subglobose +
Hist. Nat. Vég. +
hairy +  and glabrous +
not arillate +
deciduous +
free +  and distinct +
ascending +  and reflexed +
suborbiculate +  and ovate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Introduced +
free +  and distinct +
1/2 length of petals +
branched +  and simple +
spreading +  and erect +
few +  and many +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
deciduous +
basal +, lateral +, subterminal +  and terminal +
elongate +
Cydonia japonica +
Chaenomeles japonica +
Chaenomeles +
species +
older +  and young +
hairy +  and glabrous +
inconspicuous +