Vascular Plants of North Carolina
Account for Savanna Indian-plantain - Arnoglossum ovatum   (Walter) H.E. Robinson
Members of Asteraceae:
Members of Arnoglossum with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
Author(Walter) H.E. Robinson
DistributionSouthern outer Coastal Plain, ranging north only to Jones County.

Coastal Plain, southeastern NC to southern FL and eastern TX.
AbundanceRare to locally uncommon over its range in NC, but can be uncommon to locally common where present. The NCNHP database has 23 records, most of which are still extant. This is a State Endangered species.
HabitatWet longleaf Pine--Wiregrass savannas and flatwoods, often over marl or coquina limestone.
PhenologyFlowering and fruiting August-October.
IdentificationStems usually are 3-6 feet tall, with lance-shaped to narrowly elliptic leaves. The whole plant is glaucescent green. The inflorescence is branched but rather narrow in outline. Each head is cylindrical, white, with 5 disk florets. When in bloom, this is one of the more striking plants of "marl savannas" in the state owing to its height and pale green foliage.
Taxonomic CommentsOlder texts treated it as Cacalia lanceolata.

Other Common Name(s)Ovateleaf Indian-plantain, Ovateleaf Cacalia, Broadleaf Indian-plantain. Websites and references use many different common names. This website will thus go with the one used by both NatureServe and Weakley (2018).
State RankS2
Global RankG4G5
State Status[E]
US Status
USACE-agcpFACW link
USACE-empFAC link
County Map - click on a county to view source of record.
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B.A. SorrieGeorgetown County, SC, seepy roadside, 8 Sept 2012. Photo_non_NCPhoto_non_NC
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