Difference between revisions of "Phytolacca americana"

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''Phytolacca americana'' has been observed at the Archbold Biological Station to host species such as ''Bombus impatiens'' (family Apidae), ''Heriades leavitti'' (family Megachilidae), members of the Halictidae family such as ''Augochlora pura, Augochlorella striata, Augochloropsis metallica, A. sumptuosa, Lasioglossum lepidii, L. miniatulus, L. nymphalis, L. pectoralis, L. placidensis,'' and ''L. puteulanum'', members of the Sphecidae family such as ''Ectemnius maculosus, E. rufipes ais, Isodontia exornata,'' and 'Oxybelus laetus fulvipes'', as well as members of the Vespidae family such as ''Leptochilus alcolhuus, L. republicanus, Polistes dorsalis hunteri,'' and ''Zethus slossonae''.<ref name="Deyrup 2015">Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref> Additionally, ''P. americana'' has been observed to host members of the Apidae family such as ''Apis mellifera'' and ''Ceratina dupla'', members of the Halictidae family such as ''Lasioglossum ephialtum'', ''L. oceanicum'', and ''L. pilosum'', as well as members of the Pleosporaceae family such as ''Cicadellidae sp.'' and ''Vespidae sp.''.<ref>Discoverlife.org [https://www.discoverlife.org/20/q?search=Bidens+albaDiscoverlife.org|Discoverlife.org]</ref>
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''Phytolacca americana'' has been observed at the Archbold Biological Station to host species such as ''Bombus impatiens'' (family Apidae), ''Heriades leavitti'' (family Megachilidae), members of the Halictidae family such as ''Augochlora pura, Augochlorella striata, Augochloropsis metallica, A. sumptuosa, Lasioglossum lepidii, L. miniatulus, L. nymphalis, L. pectoralis, L. placidensis,'' and ''L. puteulanum'', members of the Sphecidae family such as ''Ectemnius maculosus, E. rufipes ais, Isodontia exornata,'' and ''Oxybelus laetus fulvipes'', as well as members of the Vespidae family such as ''Leptochilus alcolhuus, L. republicanus, Polistes dorsalis hunteri,'' and ''Zethus slossonae''.<ref name="Deyrup 2015">Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref> Additionally, ''P. americana'' has been observed to host members of the Apidae family such as ''Apis mellifera'' and ''Ceratina dupla'', members of the Halictidae family such as ''Lasioglossum ephialtum'', ''L. oceanicum'', and ''L. pilosum'', as well as members of the Pleosporaceae family such as ''Cicadellidae sp.'' and ''Vespidae sp.''.<ref>Discoverlife.org [https://www.discoverlife.org/20/q?search=Bidens+albaDiscoverlife.org|Discoverlife.org]</ref>
 
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Revision as of 08:19, 15 June 2021

Phytolacca americana
Phyt ame.jpg
Photo by Karan A. Rawlins, University of Georgia, Bugwood.org
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Caryophyllales
Family: Phytolaccaceae
Genus: Phytolacca
Species: P. americana
Binomial name
Phytolacca americana
L.
Phyt amer dist.jpg
Natural range of Phytolacca americana from USDA NRCS Plants Database.

Common names: American pokeweed; Common pokeweed; Poke; Pokeberry[1]

Taxonomic notes

Synonyms: none.[1]

Varieties: none.[1][1]

Description

A description of Phytolacca americana is provided in The Flora of North America. It is a robust, perennial herb that grows 1-3 m tall. The roots are thick and fleshy. The leaves have an alternate pattern, glabrous texture, entire margin, and lanceolate to elliptic shape. They grow 3-12 cm wide and 8-30 cm long with a rounded base. The petioles are 1-5 cm long. Racemes are 5-20 cm with bracteate pedicels. The flowers are perfect, colored green to white, and 2-3 mm long. They include 5 sepals, 5-30 stamens, and a superior ovary. The berries are 5-12 carpellate, purplish-black, 4-6 mm long, and 7-10 mm in diameter. The seeds are lustrous black, 2.5-3 mm long, and flattened.[1]

Distribution

This plant is an abundant native weed that occurs throughout eastern North America.[1]

Ecology

Habitat

P. americana has been found in hydric hammocks, swamp edges, coral limestone, sandbars, mangrove swamps, and floodplain forests.[2] It is also found in disturbed areas including disturbed coastal hammocks, along canals, farmlands, orange groves, landfills, burned longleaf pine-wiregrass flatwoods, pine-hickory camping woods, and along roadsides.[2] Associated species: Sabal, Quercus, Elaphrium, Swietenia, Dalbergia, Gouania, and Schinus.[2]

Phenology

This plant has been observed to flower from March through November, with peak inflorescence in May through July.[1][3]

Pollination and use by animals

Phytolacca americana has been observed at the Archbold Biological Station to host species such as Bombus impatiens (family Apidae), Heriades leavitti (family Megachilidae), members of the Halictidae family such as Augochlora pura, Augochlorella striata, Augochloropsis metallica, A. sumptuosa, Lasioglossum lepidii, L. miniatulus, L. nymphalis, L. pectoralis, L. placidensis, and L. puteulanum, members of the Sphecidae family such as Ectemnius maculosus, E. rufipes ais, Isodontia exornata, and Oxybelus laetus fulvipes, as well as members of the Vespidae family such as Leptochilus alcolhuus, L. republicanus, Polistes dorsalis hunteri, and Zethus slossonae.[4] Additionally, P. americana has been observed to host members of the Apidae family such as Apis mellifera and Ceratina dupla, members of the Halictidae family such as Lasioglossum ephialtum, L. oceanicum, and L. pilosum, as well as members of the Pleosporaceae family such as Cicadellidae sp. and Vespidae sp..[5]

Conservation, cultivation, and restoration

Cultural use

Historically, the roots and berry juice was used by native peoples to treat skin cancers, diseases, swelling, and injuries.[6] The root can be extremely toxic and act as a narcotic, emetic, and cathartic if ingested in too large of doses.[7]

People in Appalachia would eat and can the immature leaves of the pokeberry plant[8], and the young shoots can be used an asparagus or spinach substitute. Care must be taken not to harvest mature plants because the bark will be toxic. The berries can also be used as a food coloring in frosting and candy.[9]

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  2. 2.0 2.1 2.2 Florida State University Herbarium Database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2021. Collectors: Loran C. Anderson, George R. Cooley, R. J. Eaton, D. L. Fichtner, Robert K. Godfrey, B. K. Holst, O. Lakela, S. W. Leonard, Marc Minno, Grady W. Reinert, Cecil R Slaughter, S. D. Todd, and Jean W. Wooten. States and counties: Florida: Hernando, Indian River, Jefferson, Leon, Liberty, Manatee, Monroe, Okaloosa, Orange, and Sarasota.
  3. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 19 MAY 2021
  4. Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.
  5. Discoverlife.org [1]
  6. Korchmal, Arnold & Connie. 1973. A Guide to the Medicinal Plants of the United States. The New York Times Book Company, New York.
  7. Fernald, et al. 1958. Edible Plants of Eastern North America. Harper and Row Publishers, New York.
  8. Korchmal, Arnold & Connie. 1973. A Guide to the Medicinal Plants of the United States. The New York Times Book Company, New York.
  9. Fernald, et al. 1958. Edible Plants of Eastern North America. Harper and Row Publishers, New York.