Celastrus orbiculatus

Thunberg in J. A. Murray

Syst. Veg. ed. 14, 237. 1784.

Common names: Oriental bittersweet
WeedyIntroduced
Treatment appears in FNA Volume 12. Treatment on page 120.

Vines 40+ m. Leaves: blade suborbiculate to broadly oblong-obovate or ovate-orbiculate, 4–6 × 3–5 cm, aestivation conduplicate. Inflorescences axillary, cymes, 1–2 cm. Staminate flowers: pollen white. Capsules yellow when mature, globose, 7–10 mm diam., glabrous. Seeds orange, ellipsoid, 6 mm. 2n = 46.


Phenology: Flowering spring–summer.
Habitat: Thickets, woodland margins, open woods, roadsides, usually rich soils.
Elevation: 0–900 m.

Distribution

V12 586-distribution-map.jpg

Introduced; N.B., Ont., P.E.I., Que., Ala., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., Wash., W.Va., Wis., Asia (China), Asia (Japan), Asia (Korea)

Discussion

Celastrus orbiculatus has become a seriously invasive plant in much of eastern North America.

Selected References

None.

Lower Taxa

None.
... more about "Celastrus orbiculatus"
Jinshuang Ma +  and Geoffrey A. Levin +
Thunberg in J. A. Murray +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1-veined +, palmate +  and pinnate +
suborbiculate;broadly oblong-obovate or ovate-orbiculate +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Oriental bittersweet +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
N.B. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Asia (China) +, Asia (Japan) +  and Asia (Korea) +
0–900 m. +
free-inserted +
bisexual +  and unisexual +
3-lobed +, subglobose +  and globose +
Thickets, woodland margins, open woods, roadsides, usually rich soils. +
adnate +  and free +
bisexual +  and unisexual +
deciduous +
intrastaminal +
parietal +, axile +  and placentation +
greenish white +  and white +
distinct +
Flowering spring–summer. +
Syst. Veg. ed. +
ellipsoid +
6 cm60 mm <br />0.06 m <br /> (?) +
distinct +
Weedy +  and Introduced +
adnate +, free +  and distinct +
free-inserted +
not gland-tipped +
Celastrus orbiculatus +
Celastrus +
species +
evergreen +, deciduous +, perennial +  and annual +