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Bruso, George H.
Trichostema dichotomum L.
Forked bluecurls, Blue curls
Synonym(s): Trichostema dichotomum var. puberulum, Trichostema pilosum
USDA Symbol: TRDI2
USDA Native Status: L48 (N), CAN (N)
A small plant with 2 or 3 blue, 2-lipped flowers at the tips of short branches arising from the leaf axils. Plant sticky.
The long, curled stamens characterize this dainty little plant. The southern Perennial Bluecurls (T. suffrutescens), has tiny oblong leaves and may not be a distinct species. False Pennyroyal (T. brachiatum) has short stamens not protruding from the flowers. It ranges from Quebec to Georgia, west to Texas, and north to Minnesota.
Plant CharacteristicsDuration: Annual Habit: Herb Flower:
Bloom InformationBloom Color: Blue , Purple
Bloom Time: Aug , Sep , Oct
, WV Canada: ON
, QC Native Distribution:
Southern Maine south to Florida; west to Texas; north to Missouri and Michigan. Native Habitat:
Dry, open, sandy, or sterile sites.
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Dry
Soil Description: Sandy
BenefitConspicuous Flowers: yes
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.
Record Last Modified: 2012-08-08
Research By: TWC Staff