Difference between revisions of "Erechtites hieracifolia"

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==Description==  
 
==Description==  
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
"Robust annual with erect, glabrous or slightly pubescent, solid stems, 0.4-3 m or more tall. Leaves alternate, elliptic to lanceolate, 5-20 cm long, 0.5-6.5 cm wide, acute to acuminate, irregularly serrate to dentate, unlobed or lobed, base cuneate to attenuate or upper stem leaves auriculate. Heads in panicles. Involucres cylindric, 10-20 mm long, 4-8 mm broad; bracts in 1 series or with a few small bracts at base. Disc 3-10 mm broad. Flowers discoid, lobes cream to pinkish, erect, 0.3-0.5 mm long. Nutlets brown, tapered from base to apex, 1.9-2.7 mm long, 0.4-0.7 mm broad, 10-ribbed, pubescent; pappus white, capillary, 10-14 mm long.". <ref name=rad> Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 1037. Print. </ref>
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"Robust annual with erect, glabrous or slightly pubescent, solid stems, 0.4-3 m or more tall. Leaves alternate, elliptic to lanceolate, 5-20 cm long, 0.5-6.5 cm wide, acute to acuminate, irregularly serrate to dentate, unlobed or lobed, base cuneate to attenuate or upper stem leaves auriculate. Heads in panicles. Involucres cylindric, 10-20 mm long, 4-8 mm broad; bracts in 1 series or with a few small bracts at base. Disc 3-10 mm broad. Flowers discoid, lobes cream to pinkish, erect, 0.3-0.5 mm long. Nutlets brown, tapered from base to apex, 1.9-2.7 mm long, 0.4-0.7 mm broad, 10-ribbed, pubescent; pappus white, capillary, 10-14 mm long." <ref name=rad> Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 1037. Print. </ref>
  
 
==Distribution==
 
==Distribution==

Revision as of 10:28, 14 April 2016

Erechtites hieracifolia
Insert.jpg
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Asterales
Family: Asteraceae ⁄ Compositae
Genus: Erechtites
Species: E. hieracifolia
Binomial name
Erechtites hieracifolia
(L.) Raf. ex DC.
Erec hier dist.jpg
Natural range of Erechtites hieracifolia from USDA NRCS Plants Database.

Common name: American burnweed

Taxonomic notes

Synonym: Erechtites hieracifolia var. hieracifoliaThe Plant List.org

Description

"Robust annual with erect, glabrous or slightly pubescent, solid stems, 0.4-3 m or more tall. Leaves alternate, elliptic to lanceolate, 5-20 cm long, 0.5-6.5 cm wide, acute to acuminate, irregularly serrate to dentate, unlobed or lobed, base cuneate to attenuate or upper stem leaves auriculate. Heads in panicles. Involucres cylindric, 10-20 mm long, 4-8 mm broad; bracts in 1 series or with a few small bracts at base. Disc 3-10 mm broad. Flowers discoid, lobes cream to pinkish, erect, 0.3-0.5 mm long. Nutlets brown, tapered from base to apex, 1.9-2.7 mm long, 0.4-0.7 mm broad, 10-ribbed, pubescent; pappus white, capillary, 10-14 mm long." [1]

Distribution

Ecology

Habitat

Phenology

Seed dispersal

According to Kay Kirkman, a plant ecologist, this species disperses by wind. [2]

Seed bank and germination

Fire ecology

Pollination

The following Hymenoptera families and species were observed visiting flowers of Erechtites hieracifolia at Archbold Biological Station. [3]

Halictidae: Halictus poeyi

Leucospididae: Leucospis affinis

Megachilidae: Dianthidium floridiense

Vespidae: Leptochilus republicanus, Parancistrocerus bicornis, P. salcularis rufulus, Polistes dorsalis hunteri

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.

Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 1037. Print.

  1. Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 1037. Print.
  2. Kay Kirkman, unpublished data, 2015.
  3. Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.