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Eupatorium hyssopifolium L.
Hyssopleaf Thoroughwort, Hyssop-leaf Boneset
Asteraceae (Aster Family)
USDA Symbol: EUHY
USDA Native Status: L48 (N)
Hyssop-leaf Boneset is a member of the family Asteraceae, which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. Flower-like heads: tiny, radially symmetrical central flowers form the disc; larger flowers around the edge, the rays, strap-shaped and resembling petals; however, all flowers in one head may be disc flowers or rays.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul , Aug , Sep , Oct
DistributionUSA: AL , AR , CT , DC , DE , FL , GA , IL , IN , KY , LA , MA , MD , MO , MS , NC , NJ , NY , OH , PA , RI , SC , TN , TX , VA , WV
Native Habitat: dry, sandy or gravelly fields roadsides, and railroad right of ways; woods, fields, salt meadows
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist
Soil Description: Sandy
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Delaware Nature Society - Hockessin, DE
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Eupatorium hyssopifolium in USDA Plants
FNA: Find Eupatorium hyssopifolium in the Flora of North America (if available)
Google: Search Google for Eupatorium hyssopifolium
MetadataRecord Modified: 2023-01-02
Research By: TWC Staff