Physostegia virginiana

Obedient Plant ( Physostegia virginiana)

The Obedient Plant ( Physostegia virginiana ) or floor Erika is a species of the genus of the joint Flowers ( Physostegia ) in the mint family ( Lamiaceae).

Features

The Obedient Plant is a perennial, herbaceous plant that reaches the plant height of 30 to 150 centimeters. It forms a rhizome. The leaves are oblong or lanceolate and serrated. The crown is purple, pink, wine red or white in color. Are the flowers pushed to the side, they do not return to their previous position.

The flowering period extends from July to September.

Occurrence

The joint flower comes in eastern North America along river banks, in moist thickets and meadows before.

System

Physostegia virginiana was first described by Carl Linnaeus in Species Plantarum, Volume 2, page 594 under the basionym Dracocephalum virginianum. Other synonyms are Dracocephalum speciosum Sweet, Physostegia speciosa ( Sweet) Sweet and Physostegia virginiana var speciosa ( Sweet) A. Gray.

Use

The Obedient Plant is scattered used as an ornamental plant for perennial borders and as a cut flower. It needs a sunny to half shady, moist location. The species is in cultivation since at least 1683. There are some varieties.

Documents

• Eckhart J. Hunter, Friedrich Ebel, Peter Hanelt, Gerd Müller, K. (ed.): Rothmaler Exkursionsflora of Germany. Volume 5: Herbaceous ornamental and useful plants. Spektrum Akademischer Verlag, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8.