Texas Wildbuds
Marrubium vulgare
(Horehound)
Marrubium vulgare, South Llano State Park, Kimble Co. 7336
Marrubium vulgare, South Llano State Park, Kimble Co. 7331
Marrubium vulgare, South Llano State Park, Kimble Co. 7329
Marrubium vulgare, South Llano State Park, Kimble Co. 7349
Marrubium vulgare, South Llano State Park, Kimble Co. 7340
| Scientific Name | Marrubium vulgare | USDA PLANTS Symbol | MAVU |
| Common Name | Horehound, White Horehound | ITIS Taxonomic Serial No. | 32561 |
| Family | Lamiaceae (Mint) | SEINet Reference |
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| Description | Habitat: Various soils along roadsides, waste places, disturbed ground, and riparian areas. Plant: Perennial 8 to 40 inches tall with stout, erect or ascending stems and branches densely covered with short woolly hairs. Leaves: Opposite, broadly ovate to orbicular blades 1/2 to 2 inches long and about as wide; with crenate to dentate margins; surfaces generally green and pubescent above, white-woolly below, and very wrinkled; on petioles that are short or up to 2 inches long. Inflorescence: Round clusters of many flowers in whorls along the stems in leaf axils; flowers are white and have 2-lipped corollas less than 3/8-inch long, upper lip is erect, lower lip divided into 3 lobes, with the middle one being long and broad; calyx has 10 spine-like, curved teeth. Bloom Period: Year-around. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet |
BONAP Distribution Map Map Color Key |
Texas Status: Introduced |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2025