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Duncan, Robert C.
Cosmos parviflorus (Jacq.) Pers.
Southwest cosmos, Southwestern cosmos
Synonym(s): Coreopsis parviflora
USDA Symbol: COPA12
USDA Native Status: L48 (N)
Southwest cosmos grows 2-3 feet tall and is branched several times in the upper half, with a single flower head, about 1 1/4 inches across, at the end of each slender, bare stem. It has 8 pale-orchid ray flowers, with a yellow center. It is an attractive flower, suitable for cultivation, and seeds are commercially available. Leaves are threadlike, divided 2 or 3 times. It is not abundant, as it is grazed by livestock.
Plant CharacteristicsDuration: Annual Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Pink , Violet
Bloom Time: Jun , Jul , Aug , Sep , Oct
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Wildflower Center Seed BankLBJWC-PM-10
Collected 2010-09-26 in Jeff Davis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2007-01-01
Research By: TWC Staff