Flora of North America species comparison

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Celastrus orbiculatus

Asian bittersweet, Asiatic bittersweet, oriental bittersweet
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.
Vines

40+ m. Leaves: blade suborbiculate to broadly oblong-obovate or ovate-orbiculate, 4–6 × 3–5 cm, aestivation conduplicate.
2n

= 46.

Celastrus orbiculatus
Phenology Flowering spring–summer.
Habitat Thickets, woodland margins, open woods, roadsides, usually rich soils.
Elevation 0–900 m. (0–3000 ft.)
Distribution
from FNA
AL; AR; CT; DC; DE; GA; IA; IL; IN; KS; KY; MA; MD; ME; MI; MN; MO; NC; NH; NJ; NY; OH; PA; RI; SC; TN; VA; VT; WA; WI; WV; NB; ON; PE; QC; Asia (China, Japan, Korea) [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 120.
Parent taxa Celastraceae > Celastrus
Sibling taxa
C. scandens
Name authority Thunberg: in J. A. Murray, Syst. Veg. ed. 14, 237. (1784)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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