Euonymus alatus

(Thunberg) Siebold

Verh. Batav. Genootsch. Kunst. 12: 49. 1830.

Common names: Oriental spindle-tree
IntroducedIllustrated
Basionym: Celastrus alatus Thunberg in J. A. Murray Syst. Veg. ed. 14, 237. 1784
Synonyms: Euonymus alatus var. apterus Loesener
Treatment appears in FNA Volume 12. Treatment on page 125. Mentioned on page 123.
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Illustrator:

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Shrubs 1–4 (–7) m. Stems erect; young branches 4-angled, becoming corky winged. Leaves deciduous; petiole 0.5–4 mm; blade narrowly elliptic, 2.5–6 × 0.5–2.5 cm, base attenuate or cuneate, margins denticulate, apex acuminate. Inflorescences axillary, (1–) 3 (–7) -flowered. Flowers: sepals 4; petals 4, yellowish green or white, oblong, 2–3 × 1.5–2 mm; stamens 4; ovary smooth. Capsules purple-brown, obovoid, 8–10 × 5–15 mm, deeply 2–4-lobed to base or only 1 lobe developing, lobes nearly distinct, surface smooth. Seeds ellipsoid, 7–8 × 4–5 mm; aril yellow or orange. 2n = 64.


Phenology: Flowering spring–fall; fruiting summer–fall.
Habitat: Roadsides, old fields, thickets, woodlands.
Elevation: 0–400 m.

Distribution

V12 798-distribution-map.jpg

Introduced; Ont., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Utah, Vt., Va., W.Va., Wis., e Asia

Discussion

The leaves of Euonymus alatus become bright red or reddish purple in fall, one of the reasons for its widespread use as an ornamental.

Selected References

None.

Lower Taxa

None.
... more about "Euonymus alatus"
orange +  and yellow +
Jinshuang Ma +  and Geoffrey A. Levin +
(Thunberg) Siebold +
cuneate +  and attenuate +
Celastrus alatus +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1-veined +, palmate +  and pinnate +
toothed +  and entire +
0.5cm;2.5cm +
4-angled +
4-angled +  and terete +
purple-brown +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2-4-lobed +  and obovoid +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Oriental spindle-tree +
Ont. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Utah +, Vt. +, Va. +, W.Va. +, Wis. +  and e Asia +
0–400 m. +
2-5-lobed +, unlobed +, obovoid +, subglobose +  and globose +
Roadsides, old fields, thickets, woodlands. +
adnate +  and free +
(1-)3(-7)-flowered +
bisexual +  and unisexual +
deciduous +
distinct +
denticulate +
intrastaminal +
parietal +, axile +  and placentation +
distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering spring–fall +  and fruiting summer–fall. +
4-5-carpellate +
Verh. Batav. Genootsch. Kunst. +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
ellipsoid +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
distinct +
Introduced +  and Illustrated +
Euonymus alatus var. apterus +
Euonymus alatus +
Euonymus +
species +
evergreen +, deciduous +, perennial +  and annual +
polygamomonoecious +, dioecious +  and synoecious +