Eupatorium leptophyllum

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Eupatorium leptophyllum
Eupa lept.jpg
Photo by Dennis Girard, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Apiales
Family: Apiaceae ⁄ Umbelliferae
Genus: Eupatorium
Species: E. leptophyllum
Binomial name
Eupatorium leptophyllum
DC.
Eupa lept dist.jpg
Natural range of Eupatorium leptophyllum from USDA NRCS Plants Database.

Common name: false fennel

Taxonomic notes

The genus Eupatorium honors a first century Greek king who discovered an antidote to a poison derived from this family[1].

Description

A description of Eupatorium leptophyllum is provided in The Flora of North America.

It is a short lived perennial with glabrous stems that reaches around 1 to 2 meters tall [2]. The young stems have few hairs and the leaves are finely divided[3].

Ecology

Habitat

It is found in wet areas, shallow water and at the edges of ponds [2]. Occurs wet, peaty soil such as in cypress ponds, along the shores of the ponds, floating islands in the ponds, wet peaty depression, mixed pine and oak forests (FSU Herbarium). Also, they are found in human disturbed areas such as roadsides, near artificial ponds,and weedy fields (FSU Herbarium).

Associated species include Cladium jamaicense, E. capillifolium, E. compositifolium, Eleocharis robbinsii, Fuirena pumila, Habeneria repens, Triadenum virginicum, Ludwigia, Rhynchospora, Xyris. Bidens, Sagittaria, Nuphar, Polygonum pensylvaticum. Hypericum, Ilex myrtifolia, and Nyssa biflora (FSU Herbarium)

Phenology

Seed dispersal

Seed bank and germination

Fire ecology

Pollination

The following Hymenoptera families and species were observed visiting flowers of Eupatorium leptophyllum at Archbold Biological Station (Deyrup 2015):

Halictidae: Lasioglossum nymphalis, L. placidensis

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.

  1. [South Carolina Native Plant Society]Accessed: December 11, 2015
  2. 2.0 2.1 [[1]]Accessed: December 11, 2015
  3. [[2]] Accessed: December 7, 2015