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*Verbenaofficinalis Linnaeus. European Vervain, Juno’s Tears, Herb-of-the-cross. Phen: Jun-Oct. Hab: Disturbed areas, riverbanks. Dist: Native of Europe.
Origin/Endemic status: Europe
Taxonomy Comments: The enigmatic V. riparia is represented by a few collections, and the taxonomic status of the taxon is unclear; it probably represents an unusual form of V. officinalis. Jiménez-Mejías & Naczi (2019) clarify its typification and mention that if what Small and Heller believed to be a separate and native species proves to be so, it will need a new name.
Synonymy ⓘ: = Fl6, K3, K4, Mi, NE, NY, Tat, Tn, Va, Nesom (2010b); = Verbenaofficinalis L. ssp. officinalis – WH3, Barber (1982); > Verbenaofficinalis L. – C, F, G, Pa, RAB, S; > Verbenaofficinalis L. var. officinalis – K1; > Verbenaofficinalis L. var. prostrata Gren. & Godr. – K1; > Verbenariparia Raf. ex Small & Heller – C, F, G, K1, RAB, S, W
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Horticultural Information
Intro:Erect to ascending perennial of disturbed areas and riverbanks. Native of Europe.
Stems:Stems 4-angled, branched, mostly smooth.
Leaves:Leaves opposite, petiolate (grooved), oval to oblong oval, 3/4-2 1/2 in. long, 1-2 times pinnately lobed, with wavy or toothed margins, rough-hairy.
Inforescence:
Flowers:Flowers in very narrow, long (to 7 ½ in.), erect spikes in a wide-branching terminal cluster, the rachis with stalked glands; each flower white to blue or purple to lilac,tubular, opening into 5 spreading, notched lobes, the corolla twice as long as the calyx.
Fruits:
Comments:
Height:8-45 in.
plant sale text:
bloom table text:
description:Erect to ascending perennial of disturbed areas and riverbanks. Native of Europe.
stems:Stems 4-angled, branched, mostly smooth.
leaves:Leaves opposite, petiolate (grooved), oval to oblong oval, 3/4-2 1/2 in. long, 1-2 times pinnately lobed, with wavy or toothed margins, rough-hairy.
inflorescence:
flowers:Flowers in very narrow, long (to 7 ½ in.), erect spikes in a wide-branching terminal cluster, the rachis with stalked glands; each flower white to blue or purple to lilac,tubular, opening into 5 spreading, notched lobes, the corolla twice as long as the calyx.
