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Leonurus cardiaca L.
MOTHERWORT
Common motherwort

Life   Plantae   Dicotyledoneae   Lamiaceae   Leonurus

Leonurus cardiaca, leaf and flower
© Kay Yatskievych, 2003 · 1
Leonurus cardiaca, leaf and flower

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Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma leonuri @ BPI (1)
Apidae  Bombus griseocollis @ UCMS_ENT (1)

Ceratina dupla @ UCMS_ENT (1)
Botryosphaeriaceae  Phyllosticta decidua @ BPI (3)
Chionosphaeraceae  Stilbum spraguei @ BPI (1)
Erysiphaceae  Erysiphe galeopsidis @ BPI (5)
Megachilidae  Anthidium manicatum @ CUIC_ENT (1)

Coelioxys rufitarsis @ UCMS_ENT (1)
Mycosphaerellaceae  Didymella leonuri @ BPI (5)

Ramularia leonuri @ BPI (19)

Septoria lamii @ BPI (1)
Phaeosphaeriaceae  Ophiobolus tenellus @ 626645A (1); 626645B (1)
Reduviidae  Phymata @ AMNH_PBI (6)
Valsaceae  Diplodina leonuri @ BPI (2)
_  Ascochyta @ BPI (1)

Periconia byssoides @ BPI (1)

Plenodomus leonuri @ BPI (2)

Sphaeronaema leonuri @ BPI (1)

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Following modified from MissouriPlants.com
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Leonurus cardiaca L.

Leonurus cardiaca plant

Family - Lamiaceae

Stems - To +1.2m tall, herbaceous, multiple, rhizomatous, simple to branching above, minutely retrorse pubescent on angles, strongly 4-angled, hollow.

Leaves - Opposite, petiolate, 3-lobed, hirsute below (mostly on veins), pubescent above, reduced upward. Lowest leaves to +15cm broad, +12cm long. Lobes again divided or coarsely toothed. Petioles to +13cm long, 4-angled, densely pubescent and hirsute on upper margins (angles).

Leonurus cardiaca leaves

Inflorescence - Axillary clusters of 11-12 sessile flowers almost completely surrounding stem and appearing as verticillasters (whorls).

Leonurus cardiaca inflorescence Inflorescence.

Flowers - Corolla bilabiate, tubular, constricted near base, densely pubescent to lanate externally, lanate near apex of throat internally, pinkish. Tube to 6mm long, 2.2mm in diameter. Lower lip reduced, 3-lobed. Lateral lobes small (-1mm long), recurved and folding under central lobe. Central lobe to 2mm long, attenuate, deflexed or slightly recurving, mottled with maroon near apex of throat. Upper lip 5-6mm long, +/-3mm broad, densely lanate above, obtuse, pink. Stamens 4, didynamous, slightly exserted beyond upper lip. Filaments white, to 1.6mm long, lanate (at least at base). Style 1, glabrous, positioned between upper pair of stamens. Stigma 2-lobed. Nutlets 4, densely hirsute at apex. Calyx bilabiate, with 5 ridges (nerves). Tube to 4mm long, glabrous. Upper lip with 3 lobes. Lobes attenuate, to 2mm long, spinose, with few hairs near apex. Lower lip 2-lobed. Lobes attenuate, 2.1mm long, deflexed or slightly recurved, spinose, with few hairs near apex.

Leonurus cardiaca flowers Flowers close-up.

Leonurus cardiaca flowers Flower side view.

Flowering - May - August.

Habitat - Pastures, waste ground, disturbed sites, roadsides, railroads.

Origin - Native to Eurasia.

Other info. - ...So I'm driving home and I spot a good planting of Delphinium ajacis . I decided to stop and take some snaps. Upon returning to my car I reached for my keys only to discover them still in my ignition and behind locked doors. The passenger window was cracked open a bit so I decided to look for some wire and fish my keys out. As I walked around an abandoned building I found not only some good wire, but also the plant pictured above. The moral of the story? - Always have a spare set of keys handy and ALWAYS have your camera.

Photographs taken off Mill Rd., Platte County, MO., 5-3-00, and in Marquette, MI., 7-27-02.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=LECA2 ---> https://plants.usda.gov/java/profile?symbol=LECA2
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=LECA2

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 10
Query: SELECT * FROM img WHERE ready=1 and taxon like "Leonurus cardiaca%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 0000 0604 0521 [detail]
© 2004 Jeff Abbas

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 0000 0604 0522 [detail]
© 2004 Jeff Abbas

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 0000 0604 0523 [detail]
© 2004 Jeff Abbas

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 1111 1234 4675 [detail]
© 2016 Keir Morse

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 1111 1234 4676 [detail]
© 2016 Keir Morse

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 1111 1234 4677 [detail]
© 2016 Keir Morse

Leonurus cardiaca
Leonurus cardiaca
Motherwort
ID: 0000 1111 1234 4678 [detail]
© 2016 Keir Morse

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1928 [detail]
© 2008 Louis-M. Landry

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1929 [detail]
© 2008 Louis-M. Landry

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1930 [detail]
© 2008 Louis-M. Landry

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 3
Query: SELECT * FROM img WHERE ready=1 and taxon like "Leonurus cardiaca ssp. cardiaca%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1928 [detail]
© 2008 Louis-M. Landry

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1929 [detail]
© 2008 Louis-M. Landry

Leonurus cardiaca ssp. cardiaca
Leonurus cardiaca ssp. cardiaca
ID: 0000 0000 0408 1930 [detail]
© 2008 Louis-M. Landry

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Updated: 2017-09-23 19:05:31 gmt
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