Perennial herb Stem: erect, densely hairy. Leaves: opposite, less than 2 cm wide, lance-shaped. Flowers: borne on spikes, to 10 mm across, with bracts shorter than the calyx. Fruit: four nutlets surrounded by the persistent calyx.
Similar species: Verbena x blanchardii is a hybrid of Verbena hastata and Verbena simplex. The attributes of the hybrid are intermediate of the parents. See links below for further information on the parents.
Flowering: July to August
Habitat and ecology: Rare in dry fields.
Occurence in the Chicago region: native
Etymology: Verbena is the Latin name for vervain.
Author: The Morton Arboretum
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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