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, 05:35, 1 September 2007
{{Taxobox
| color = lightgreen
| name = ''Thunbergia''
| image = Thunbergia alata.JPG
| image_width = 250px
| image_caption = Flowers of ''Thunbergia alata''
| regnum = [[Plantae]]
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Lamiales]]
| familia = [[Acanthaceae]]
| genus = '''''Thunbergia''''' [[Retz.]]
| subdivision_ranks = [[Species]]
| subdivision =
''[[Thunbergia alata]]''<br/>
''[[Thunbergia coccinea]]''<br/>
''[[Thunbergia erecta]]''<br/>
''[[Thunbergia fragrans]]''<br/>
''[[Thunbergia grandiflora]]''<br/>
''[[Thunbergia gregorii]]''<br/>
''[[Thunbergia laurifolia]]''<br/>
''[[Thunbergia mysorensis]]''
}}
'''''Thunbergia''''' is a [[genus]] of [[flowering plant]]s in the [[family (biology)|Family]] [[Acanthaceae]], native to tropical regions of [[Africa]], [[Madagascar]] and southern [[Asia]]. Its members are known by various names, including '''thunbergias'''; '''clockvine''' on its own usually refers to ''Thunbergia grandiflora'', while ''Thunbergia alata'' is often known as '''Black-eyed Susan vine''' or just '''Black-eyed Susan''' (not to be confused with other flowers called [[Black-eyed Susan (disambiguation)|Black-eyed Susan]]). Orange clockvine is the name of ''Thunbergia gregorii''.
Thunbergia was named for [[Carl Peter Thunberg]].
Thunbergias are vigorous annual or perennial [[vine]]s and [[shrub]]s growing to 2-8 m tall.
Some are frequent garden escapes, becoming [[invasive species]]; they are regarded as environmental threats in [[Australia]], for example.
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==External Links==
*[http://lakecounty.typepad.com/life_in_lake_county/2007/04/a_tale_of_two_s.html ''A Tale of Two Susans II''] non-scholarly essay on the etymology and history of Thunbergia as well as Carl Peter Thunberg
[[Image:Thunbergia mysorensis dsc03785.jpg|thumb|left|''Thunbergia mysorensis'' flowers]]
[[Image:Thunbergia gregorii2.jpg|thumb|left|''Thunbergia gregorii'']]
[[Category:Acanthaceae]]