...Variable
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Purpletop Vervain at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA (11/30/12):
Verbena bonariensis
FAMILY
Verbenaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Verbena bonariensis var. conglomerata
FAMILY
Verbenaceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 162-01-002:
Verbena bonariensis
FAMILY
Verbenaceae
COMMON NAME:
Purpletop Vervain, Tall Vervain
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Stephanie C. Brundage scb_070219Hayesville18ed
July Clay County NC
Clay County Native Botanical Garden
Rapidly growing and erect, stems 3-6' tall, slender, hirsute, rough & square, per Invasive Plant Atlas of the United States.
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Stephanie C. Brundage scb_070219Hayesville19ed
July Clay County NC
Clay County Native Botanical Garden
Leaves narrowly lanceolate to elliptic-lanceolate, sessile with clasping bases, per Vascular Flora of the Carolinas.
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Stephanie C. Brundage scb_070219Hayesville23ed
July Clay County NC
Clay County Native Botanical Garden
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Richard and Teresa Ware rtw_verbena_bonariensis_b
August
Corolla tube 4-6(-7)mm, 1.5-2mm longer than the calyx, per Weakley's Flora (2015).