Conradina brevifolia (Short-leaved Rosemary)


Botanical Information

FamilyLamiaceae
GenusConradina
Speciesbrevifolia
CategoryPerennials, Woody
TypeShrub (evergreen)
ReferencesNatureServe. 2019. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org. (Accessed: May 13, 2019 ).
OriginNative to Florida.

Details

USDA Hardiness Zone8a - 9b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H3
RHS Hardiness Ref.
Temperature (°C)(-12.2) - (-3.8 )
Temperature (°F)10 - 25
Height1 m

Description and Growing Information

General DescriptionA perennial, aromatic shrub, growing to 1 m in height, from a woody root. Stems are highly branched. Leaves are linear, 4-8 mm long, and fleshy. Lavender flowers arise from the leaf axils.
ID Characteristic"The short-leaved rosemary is one of five shrubby mints in the interior central Florida scrub. The others are Calamintha ashei, Dicerandra frutescens, D. christmanii, and a Dicerandra population whose taxonomic status is unresolved. C. brevifolia was described as a new species by Shinners (1962)" (NatureServe. 2019).
PropagationBy seed.
CultivationWill not tolerate shade.
Notable SpecimensBok Tower Gardens, Lake Wales, Florida, United States of America.
HabitatSand scrub with a scattered over story of sand pine (Pinus clausa), interspersed with evergreen scrub oaks (Quercus spp.). C. brevifolia is usually found interspersed in clearings with other small shrubs and herbs.
Leaf DescriptionThe short-leaved rosemary is a perennial shrub with leaves on well-developed flowering branches that are 6.0-8.2 mm long, mostly shorter than the internodes. There are between one and six flowers per axil.

Photographs