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Eupatorium purpureum

Eupatorium purpureum L.

 

Sweet-scented Joe-Pye Weed, Sweet Joe-Pye Weed, Trumpet Weed

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn’s Botanical Latin)
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusEupatoriumFrom Mithridates Eupator, King of Pontus, who found an antidote to poison in one of the species
SpeciespurpureumLatin for “purple”

About plant names...

Sweetscented Joe-Pye (or possibly Joe-Pie) weed is native to North America. They prefer moist soil.

Identification: Plants are 5-8' (1.5-2.4 m) tall and 24-48" (60-121 cm) wide. Stems are rigid, round, and purple. Leaves up to 12" (30 cm) long and 3½" (9 cm) wide occur in whorls of 4-5 around the stem. The leaves are finely toothed. Dense flower clusters are dull pink or mauve in color. They appear from July to August.

Online References:

Eupatorium purpureum on Missouriplants.com

Eupatorium purpureum at the Northeast School of Botanical Medicine (describes this and similar species)

Eupatorium purpureum at the University of Wisconsin's Robert W. Freckmann Herbarium

Eutrochium purpureum on Wikipedia

Eupatorium purpureum at the Lady Bird Johnson Wildflower Center

Eupatorium purpureum on Plants for a Future, a resource and information centre for edible and otherwise useful plants

Eupatorium purpureum description by Thomas H. Kent, last updated 19 Aug 2013.

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Eupatorium purpureum (Sweet-scented Joe-Pye Weed, Sweet Joe-Pye Weed, Trumpet Weed)

7/30/2010 · Willard Brook State Forest, Blue Trail, Ashby & Townsend, MA
≈ 7 × 8" (18 × 19 cm) ID is uncertain

Eupatorium purpureum (Sweet-scented Joe-Pye Weed, Sweet Joe-Pye Weed, Trumpet Weed)

7/30/2010 · Willard Brook State Forest, Blue Trail, Ashby & Townsend, MA
≈ 8 × 8" (19 × 20 cm) ID is uncertain

Range: Zones 4-9:

About this map...