Puneet Varma (Editor)

Erechtites hieraciifolius

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Kingdom
  
Tribe
  
Scientific name
  
Erechtites hieracifolia

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Species

Order
  
Genus
  
Erechtites

Higher classification
  
Erechtites

Erechtites hieraciifolius Erechtites hieraciifolius American burnweed Go Botany

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Erechtites, Daisy family, Baccharis spicata, Bomarea edulis, Eryngium eburneum

Erechtites hieraciifolius (fireweed, American burnweed, or pilewort) is a plant in the daisy family, Asteraceae. It is native to the Americas, but can be found many places around the world having been introduced by human activity. It is introduced in Hawaii, China, and Southeast Asia.

Contents

Erechtites hieraciifolius FileErechtites hieraciifolius kz1JPG Wikimedia Commons

Description

Erechtites hieraciifolius FileErechtites hieraciifolius kz2JPG Wikimedia Commons

Erechtites hieraciifolius is a herbaceous plant with alternate, simple leaves, on thick, green stems. The leaves are serrated, and range from unlobed to deeply lobed, with the lobe pattern superficially resembling wild lettuces, which are in the same family but not more closely related. The flower heads are yellow, borne in fall. The heads are followed by cluster of small, wispy achenes. The plant often branches and grows in a clump with multiple stems.

Ecology

Erechtites hieraciifolius Erechtites hieraciifolius American burnweed Go Botany

This species benefits from fire, and is often one of the earliest pioneer species of areas that have recently burned, hence some of its common names. It prefers moist sites but can handle gravelly soil and some degree of dry conditions. It also grows well in urban areas and around humans.

Erechtites hieraciifolius wwwminnesotawildflowersinfoudatar9ndp23qpd2e

The flowers are pollinated primarily by wasps. The seeds are wind-dispersed, and are used as a minor food source by birds.

Varieties
Erechtites hieraciifolius Erechtites hieraciifolius

  • Erechtites hieraciifolius var. cacalioides (Fisch. ex Spreng.) Less. ex Griseb. - Mexico, Central America, West Indies, South America
  • Erechtites hieraciifolius var. hieraciifolius - North America, West Indies
  • Erechtites hieraciifolius var. megalocarpus (Fernald) Cronquist - northeastern United States from Massachusetts to New Jersey

  • Erechtites hieraciifolius Erechtites hieraciifolius

    Erechtites hieraciifolius Erechtites hieraciifolius Michigan Flora

    References

    Erechtites hieraciifolius Wikipedia


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