Trichostema dichotomum [Lamiaceae]

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Scientific Name Trichostema dichotomum USDA PLANTS Symbol TRDI2
Common Name Blue Curls, Forked Blue Curls ITIS Taxonomic Serial No. 32364
Family Lamiaceae (Mint) SEINet
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Description Habitat: Sandy soils in open woods and streambanks.
Plant: Erect annual up to 28 inches tall (but may reach up to 40 inches), much-branched stems covered with minute hairs, somewhat glandular.
Leaves: Opposite, oblong to ovate, leaves up to 2-3/8 inches long and 1 inch wide, on short petioles about 1/2-inch or less long; surfaces have curled, pubescent hairs (may be somewhat glandular).
Inflorescence: Cymes arising from upper leaf axils with 3 to 7 purplish-blue blossoms on peduncles up to 2 inches long; each flower is about 3/4-inch across and is two-lipped; the lower lip is single-lobed, with a white center portion covered with purple dots and is much longer than the upper lip which has 4 upright lobes; there are 4 long stamens arching downward toward the lower lip.
Bloom Period: July to October.
Reference: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Michael Eason, "Wildflowers of Texas" by Geyata Ajilvsgi and SEINet.
Note: Images below were taken late in season in mid-October hence the reddish-brown coloring on the leaves.
BONAP Distribution Map

Texas Status:

© Tom Lebsack 2022