Hedeoma drummondii Benth.
Drummond's False Pennyroyal, Limoncillo, Mock Pennyroyal
Lamiaceae (Mint Family)
Synonym(s): Hedeoma campora, Hedeoma ciliata, Hedeoma drummondii var. crenulata, Hedeoma longiflora, Hedeoma ovata
USDA Symbol: hedr
The species name of this plant is named for Thomas Drummond, (ca. 1790-1835), naturalist, born in Scotland, around 1790. In 1830 he made a trip to America to collect specimens from the western and southern United States. In March, 1833, he arrived at Velasco, Texas to begin his collecting work in that area. He spent twenty-one months working the area between Galveston Island and the Edwards Plateau, especially along the Brazos, Colorado, and Guadalupe rivers. His collections were the first made in Texas that were extensively distributed among the museums and scientific institutions of the world. He collected 750 species of plants and 150 specimens of birds. Drummond had hoped to make a complete botanical survey of Texas, but he died in Havana, Cuba, in 1835, while making a collecting tour of that island.
From the Image Gallery
Plant CharacteristicsDuration: Annual
Size Notes: Up to about 1 foot tall.
Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: Apr , May , Jun , Jul , Aug , Sep
DistributionUSA: AL , AR , AZ , CA , CO , KS , MN , MT , ND , NE , NM , NV , OK , OR , SD , TX , UT , WY
Native Habitat: Across Texas on rocky, limestone embankments and flats. Well-drained loam, caliche, limestone.
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Conditions Comments: The crushed citrus-smelling leaves of this plant explain the origin of the common names limoncillo and mock pennyroyal. The common name of Limoncillo is applied to several lemmon scented plants.
BenefitUse Food: Drummond false pennyroyal smells and tastes like peppermint and is served as such in Mexico. Other Hedeomas are used as medicines, teas, and meat flavorings in Mexico and South America, and are sold as "oregano."
Fragrant Flowers: yes
Fragrant Foliage: yes
Deer Resistant: High
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Fredericksburg Nature Center - Fredericksburg, TX
Lady Bird Johnson Wildflower Center - Austin, TX
Brackenridge Field Laboratory - Austin, TX
Herbarium Specimen(s)NPSOT 0395 Collected May 29, 1993 in Comal County by Mary Beth White
NPSOT 0531 Collected Jul 27, 1987 in Bexar County by Harry Cliffe
NPSOT 0119 Collected June 7, 1991 in Bexar County by Lottie Millsaps
Wildflower Center Seed BankLBJWC-DEM-2 Collected 2009-06-06 in Burnet County by Lady Bird Johnson Wildflower Center
BibliographyBibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
Search More Titles in Bibliography
Web ReferenceWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Hedeoma drummondii in USDA Plants
FNA: Find Hedeoma drummondii in the Flora of North America (if available)
Google: Search Google for Hedeoma drummondii
MetadataRecord Modified: 2023-02-13
Research By: TWC Staff