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Common motherwort (Leonurus cardiaca)

Common motherwort Common Names: Motherwort

Description: Brought to North America as a medicinal herb, used particularly for ailments of the heart and nervous system.

Habit: Perennial, herbaceous; 2-5 ft tall.

Leaves: Oppositely arranged along the stem; shape is variable, palmate or hand-shaped, with 3 or 5 sharply-pointed lobes, deeply toothed and veins are conspicuous along upper surface.

Stems: Erect; 2-5 ft tall heavily ridged, square stem.

Flowers: 2-lipped and about 1/3 in long, tubular green calyx has 5 lanceolate teeth, small; tubular, pink or purple in color, generally hairy or fuzzy.

Fruit and seeds: Plant contains 4 nutlets that are 3-sided and reddish brown or brown.

Habitat: Native to central Asia. Found in disturbed woodlands, areas along woodland paths, woodland borders and thickets, edges of degraded wetlands, edges of yards underneath trees, and partially shaded fence rows.

Reproduction: Reseeding and vegetatively by means of the rhizomes; it often forms colonies.

Similar species: Siberian motherwort/Honeyweed (Leonurus sibiricus).

Monitoring and rapid response: Monitor less shaded areas and wooded areas. Spreads very quickly; Small infestations - pull and make sure to remove the root system, also bag and bring to municipal compost facility to prevent spreading.

Credits: The information provided in this factsheet was gathered from the Natural Area Preservation of Ann Arbor and the USDA PLANTS Database.

Individual species images that appear with a number in a black box are courtesy of the Bugwood.org network (http://www.invasive.org).Individual photo author credits may not be included due to the small display size of the images and subsequent difficulty of reading the provided text. All other images appear courtesy of Google (https://images.google.com).


Common Name:

Common motherwort

Scientific Name:

Leonurus cardiaca

Family:

Lamiaceae
(Mint)

Duration:

Perennial

Habit:

Herbs

USDA Symbol:

LECA2