rosemary mint Lamiaceae (Labiatae) Poliomintha
incana (Torr.) A. Gray symbol: POIN3
Leaf: Opposite, simple, evergreen, oblong to strap-like lanceolate, with an entire margin and rounded tip, lacking a petiole; silvery blue-green and covered with fine pubescence above and below.
Flower: Species is monoecious; white to purple, borne in groups of 1-3 in the leaf axils; individual flowers to 1/3 inch, pea-like, very aromatic; appearing in the spring.
Fruit: A dry fruit that splits at maturity into 4 nutlets.
Twig: Pale silvery blue-green, somewhat 4-angled, and covered with fine pubescence.
Bark: Pale gray and scaly.
Form: A dense shrub with upright twigs to 4 feet tall.
Additional Range Information: Poliomintha incana is native to North America. Range may be expanded by planting. See states reporting rosemary mint.
External Links: USDA Plants Database
All material © 2018 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson; Silvics reprinted from Ag Handbook 654