Apios americana

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Apios americana
Apios americana AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Fabales
Family: Fabaceae
Genus: Apios
Species: A. americana
Binomial name
Apios americana
Medikus
APIO AMER DIST.JPG
Natural range of Apios americana from USDA NRCS Plants Database.

Common Names: common groundnut;[1] groundnut;[2][3] wild potato; Indian potato;[3]

Taxonomic Notes

Varieties: A. americana var. americana; A. americana var. turrigera[1]
Synonym: Glycine apios[1][2]

Description

A. americana is a dioeceious perennial that grows as a forb/herb or a vine.[2] As a vine, it can reach 1-6 m in length[4] and produces maroon or reddish-brown pea-like flowers in compact racemes arising from leaf axils. Leaves are green and alternate.[3]

Distribution

This species occurs from Nova Scotia, New Brunswick, and Quebec, westward to Minnesota and South Dakota, southward to southern Florida and Texas.[1] The plant can also be found cultivated in Europe.[5]

Ecology

Habitat

A. americana occurs in marshes (tidal and non-tidal), wet thickets, streambanks, and bottomland forests.[1] In Washington D.C. marshes, relative cover of vegetation in reference sites was 1.60% and the relative density of seedlings emerging from seed bank samples was 1.12%.[6]

Phenology

In the southeastern and mid-Atlantic United States, flowering occurs from June through August and fruiting from July though September.[1] On the Florida panhandle, flowering has been reported in April and June through Septemeber, peaking in August and September.[7]

Pollination

The only legitimate pollinator known for A. americana are bees of the family Megachilidae.[5]

Use by animals

The cord-like rootstalk contains edible tubers that have been eaten historically by Indians and the Pilgrims in soups, stews, or fried like potatoes. Cooked seeds can also be consumed by humans.[3]

Diseases and parasites

In Baton Rouge, Louisiana, cucumber mosaic virus and Desmodium yellow mottle virus are reported to be causal agents of diseases in A. americana.[8]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Weakley AS (2015) Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC: University of North Carolina Herbarium.
  2. 2.0 2.1 2.2 USDA NRCS (2016) The PLANTS Database (http://plants.usda.gov, 16 February 2018). National Plant Data Team, Greensboro, NC 27401-4901 USA.
  3. 3.0 3.1 3.2 3.3 Plant database: Apios americana. (16 February 2018) Lady Bird Johnson Wildflower Center. URL: https://www.wildflower.org/plants/result.php?id_plant=APAM
  4. Reynolds BD, Blackmon WJ, Wickremesinhe E, Wells MH, Constantin RJ (1988) Domestication of Apios americana. Janick J, Simon JE (eds.) In Advances in new crops: Proceedings of the first national symposium 'New crops: research, development, economics'. Indianapolis, Indiana. 23-26 October 1988.
  5. 5.0 5.1 Bruneau A, Anderson GJ (1994) To bee or not to bee?: The pollination biology of Apios americana (Leguminosae). Plant Systematics and Evolution 192:147-149.
  6. Baldwin AH, Derico EF (1999) The seed bank of a restored tidal freshwater marsh in Washington, DC. Urban Ecosystems 3:5-20.
  7. Nelson G (16 February 2018) PanFlora. Retrieved from gilnelson.com/PanFlora/
  8. Valverde RA, Provvidenti R, Clark CA (1990) Cucumber mosaic virus and Desmodium yellow mottle virus infections in wild groundnut (Apios americana). Plant Disease 74:151-153.