Prunella Vulgaris
Prunella vulgaris (Self-heal)
| Also known as: | Heal-all |
|---|---|
| Genus: | Prunella |
| Family: | Lamiaceae (Mint) |
| Life cycle: | perennial |
| Origin: | native |
| Habitat: | part shade, sun; roadsides, open woods, fields |
| Bloom season: | June - October |
| Plant height: | 6 to 20 inches |
| Wetland Indicator Status: | GP: FACMW: FACNCNE: FAC |
| MN county distribution (click map to enlarge): | |
| National distribution (click map to enlarge): |
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Detailed Information
Global Biodiversity Information Facility. Free and Open Access to Biodiversity Data. Mar 02, 2014 Prunella vulgaris – more commonly known as “Self-Heal” or “Heal-All” – is a widespread herbal remedy from the Mint family with a long history of medicinal use, and is now getting attention as a possible treatment for herpes.
Flower:
A thick spike, 1 to 2 inches long, of ½-inch long, irregular, tubular flowers. The upper lip is blue to purple, the lower lip has 3 lobes, the 2 side lobes small and light blue to lavender, the center lobe white to lavender and fringed all around the edges. Dark purple-tipped stamens and a white style arc along the inside of the upper lip. The calyx is bell-shaped, about 3/8 inch long, green to purple, and sparsely hairy.
Leaves and stem:
Leaves are up to 2¾ inches long and to 1 inch across, lance to egg-shaped, rounded at the base, pointed or blunt at the tip, mostly toothless, with the surfaces hairless to sparsely hairy. Leaf stalks are variously hairy, up to 1 inch long on the lower plant becoming shorter as leaves ascend the stem, with the uppermost leaves sometimes stalkless. Stems are square, variously hairy, and typically much branched.
Fruit:
The persistent calyx holds 4 1-seeded nutlets.
Notes:
There are 2 recognized varieties, both of which are found in Minnesota: var. lanceolata leaves are lance-oblong, hairless or sparsely covered in soft hairs; var. vulgaris leaves are egg-shaped to oblong and slightly larger than var. lanceolata, the upper surface hairless or variously covered in stiff hairs. While this species (or at least one of the varieties) is generally considered native to North America, the DNR considers both varieties introduced in Minnesota. We are undecided on that particular subject.
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More photos
Photos by K. Chayka taken at Wild River State Park, Chisago County, and in Ramsey County. Other photos courtesy Peter M. Dziuk.
Comments
Have you seen this plant in Minnesota, or have any other comments about it?
on: 2009-07-17 16:57:06
Wild in the wood/wetland behind White Bear Unitarian Universalist Church. Hadn't seen this before, thanks for the help in ID.
This is the first time I've seen a photo that remotely resembles the plant growing in our back lawn. I'm surprised that the aggressive 'weed' might be something native!
on: 2010-07-05 08:06:30
It seemed to me at first to be a mint (squarish stem) but it didn't have much mint aroma. Thanks for the web site.
on: 2010-07-12 22:05:04
Also in bloom was the lesser purple fringed orchid within a few feet. Found in the wetland between the hotel and the dam.
on: 2010-07-19 11:36:03
I've got heal-all growing in several spots on my rather untended lawn.
on: 2011-07-07 16:45:43
Lots of this plant blooming now at Sunfish Lake Regional Park in Washington County
on: 2012-08-30 08:43:15
i first came to be acquainted with this plant several years ago, then actively sought to know it. it has powerful healing properties, and makes a soothing ointment for skin ailments.
on: 2013-07-19 14:23:01
So many resources have conflicting messages on if this is a native plant or not; but I think I have figured it out. There are actually 3 subspecies of this plant in the US, and two of them are native to the US, and only one is native to Minnesota . The third is a native of Europe but present in most of the US. Minnesota's native is: Prunella vulgaris spp. lanceolata The non native is: Prunella vulgaris spp. vulgaris The last, indiginous to Alaska: Prunella vulgaris spp. aleutica
Ian, there are indeed 3 subspecies in North America, with subsp. aleutica limited to Alaska. The other 2 are still questionable in my mind, though. USDA lists them both as native to the lower 48. MN DNR has them both listed as 'introduced' on their latest plant list, but they have had 'typos' on the list before so I am skeptical and still looking for a definitive reference!
on: 2014-08-06 20:43:43
This plant first appeared on my property in West Lakeland Township in 2013 and returned again this summer 2014.
I am wondering if this plant would be a good one to plant for bees? We have a few hives and I'm looking for some wildflowers for my bees to pollinate. Also, I've read that the plant is strongly anti-estrogenic. I don't recall seeing this plant around our house, so I would be interested in getting some seeds.
on: 2015-07-12 11:58:30
Found patches of this growing in sunny, dry sandy soil by the road. Haven't noticed this in previous years.
on: 2015-07-12 20:31:28
on: 2016-07-19 03:53:51
At first I thought it was Purple Fringed Orchid since that is what I was looking for but looked here to find it is Heal-All! Beautiful color and really cool plant. I also found Purple Fringed Orchid nearby along with Michigan Lily and Poison Ivy!
on: 2016-10-06 19:19:39
Saw this in early October at the beginning of the trail to High Falls. It was mixed in with purple aster.
A question, really. Is it allelopathic? While walking today, we came across some and a person thought that it was, but I can't find any information on the web that suggests that this is true.
We don't have any information on this plant being allelopathic.
on: 2017-07-07 12:14:44
We've seen this plant in our yard in an area that is controlling runoff from a neighbor's parking lot. Lovely purple amonst the daisies and various yellow flowers.
on: 2017-07-12 17:27:27
I was in the Fringed orchid area of the shooting star scenic by way, which is EXTREMELY rich in native plants..and low and behold, there it was SELF HEAL..my guess is that it is native.
Found this in our backyard in Afton, MN today (7/13/17). Growing along the edge where our lawn meets the weedy undergrowth and woods. Beautiful!
on: 2017-07-27 13:52:06
This has popped up, and is taking over my horse pasture. Starcolony mission 8. Pretty, but the horses don't eat it.
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Are there similar-looking Lamiaceae? What is the way to tell them apart?
on: 2019-08-13 09:09:22
Discovered today at the edge of our home’s clearing in the woods, adjacent to weedy mostly shade lawn. Gets morning sun for two or three hours at best. Growing among the hog peanut. Never seen on the property before -at least not in highly visible location.