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.
Revision as of 14:34, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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.

"/3" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Chaenomeles japonica"
obtuse;acute +
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 />) +
leathery +  and firm +
2 cm20 mm <br />0.02 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
triangular-ovoid +
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 />) +
campanulate +
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 +
suborbiculate;obovate +
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 +