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Apios americana Medik.
GROUNDNUT
American Potato-Bean

Life   Plantae   Dicotyledoneae   Fabaceae   Apios

Apios americana, Groundnut
© Copyright Sheryl Pollock 2011 · 5
Apios americana, Groundnut

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Apios americana, Groundnut
© Copyright Sheryl Pollock 2011 · 5
Apios americana, Groundnut
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana

Apios americana
© Copyright Bobby Hattaway 2011 · 5
Apios americana
Apios americana, Ground Nut flower, Howard County, MD, Helen Lowe Metzman ---.
© Copyright source/photographer · 5
Apios americana, Ground Nut flower, Howard County, MD, Helen Lowe Metzman ---.

Associates · map
FamilyScientific name @ source (records)
Erysiphaceae  Microsphaera alni @ BPI (2)
Miridae  Coridromius chenopoderis @ AMNH_PBI (1)

Gn_orthotylinigp12 sp_003 @ AMNH_PBI (1)

Lygus lineolaris @ MEMU_ENT (1)
Mycosphaerellaceae  Cercospora tuberosa @ BPI (32)

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Following modified from MissouriPlants.com
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Apios americana Medic.

Ground Nut

Apios americana plant

Family - Fabaceae

Stems - Twining, thin, herbaceous, glabrous to appressed pubescent, terete, from rhizomes. Rhizomes often thickened into large tubers to +/-5cm in diameter.

Leaves - Alternate, odd pinnate with 3-7 leaflets, stipulate. Stipules linear, 5-6mm long, pubescent. Petiole thickened at base for 6-7mm, glabrous to sparse appressed pubescent, to +/-6cm long, with adaxial groove. Leaflets on short petiolules to 4mm long. Lateral leaflets ovate to ovate-lanceolate, entire, with some cilia on margins, glabrous above, glabrous to sparse pubescent below, acute to acuminate, to +6cm long, +2.5cm broad. Terminal leaflet more broad than lateral leaflets, on petiolule to 1.5cm long.

Apios americana leaves

Inflorescence - Axillary pedunculate racemes to +/-8cm long. Peduncles typically glabrous, to 5cm long. Pedicels to 4mm in flower, subtended by small pubescent bract, with prominent gland in axil with stem.

Apios americana inflorescence

Flowers - Corolla papilionaceous. Standard reflexed, deep purplish-maroon internally, lighter externally, whitish at base, 1cm long, 1.1cm broad. Wings deep brownish-purple. Keel lighter than other petals, greatly incurved, apex of keel tucked against the standard. Stamens 10, diadelphous. Stamen tube(connected filaments) white, glabrous. Anthers yellowish, .2mm long. Ovary pale green, 5-6mm long, pubescent. Style coiled as keel petals, white with green at apex, pubescent. Calyx glabrous, tubular, bilabiate. Upper lip with 3 lobes. Central lobe acute, 1.8mm long, with sparse pubescence externally. Lateral two lobes smaller, .6mm long. Lower lip with two shallow lobes. All lobes with minutely lacerate margins. Calyx tube 3mm long, green with some reddish tinge, glabrous internally. Fruit to +/-6cm long, -1cm broad.

Apios americana calyx Calyx.

Apios americana flower Flower close-up.

Flowering - June - September.

Habitat - Wet meadows, streambanks, pond margins, moist woodlands.

Origin - Native to U.S.

Other info. - The plants thickened rhizome portions were a big hit amongst the Indians and used by settlers in this area. The rhizomes contain up to 3 times the protein of potatoes and can be boiled, fried, or roasted. The seeds are edible also. The plant is a fast growing perennial and, as stated above, prefers moist areas. I ate some of the rhizomes from this very plant while camping. I must admit, they could have used a little salt.

Photographs taken at Logan Creek, Ellington, MO., 8-1-04.


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Following served from Plant Bug AMNH_PBI00002545 wa%201996%20l45%20h135
   
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Following served from Plant Bug AMNH_PBI00001273 wa%201997%20l10%20h030
   
Top | See original context

Following modified from Plants Database, United States Department of Agriculture
   
Top | See original

http://plants.usda.gov/java/profile?symbol=APAM ---> https://plants.usda.gov/java/profile?symbol=APAM
https://plants.usda.gov/java/profile?symbol=APAM ---> http://plants.usda.gov/core/profile?symbol=APAM
http://plants.usda.gov/core/profile?symbol=APAM ---> https://plants.usda.gov/core/profile?symbol=APAM
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Apios americana Medik.
groundnut

Image of Apios americana

General Information
Symbol: APAM
Group: Dicot
Family: Fabaceae
Duration: Perennial
Growth Habit : Forb/herb
Vine
Native Status : CAN   N
L48   N
Characteristics
Plant Guide (pdf) (doc)
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Apios thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

©Thomas G. Barnes. Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky . University Press of Kentucky. Usage Requirements .

©Lawrence S. Gilliam. United States, NC, Guilford Co., Moist wood margin. August 18, 2004. Usage Requirements .

©Nelson DeBarros. United States. Usage Requirements .

©Jim Stasz. United States, NJ. Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 418. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
APAMT Apios americana Medik. var. turrigera Fernald
GLAP Glycine apios L.

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Fabales
Family Fabaceae ⁄ Leguminosae – Pea family
Genus Apios Fabr. – groundnut
Species Apios americana Medik. – groundnut

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FACW
Great Plains FAC
Midwest FACW
Northcentral & Northeast FACW
Western Mountains, Valleys, and Coast FACW

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (APAM)
Integrated Taxonomic Information System (APAM)
Integrated Taxonomic Information System (APAMT)
Integrated Taxonomic Information System (GLAP)
Lady Bird Johnson Wildflower Center Native Plant Information Network (APAM)
Native American Ethnobotany (University of Michigan - Dearborn) (APAM)
USF Atlas of Florida Vascular Plants (APAM)
University of Tennessee Herbarium (Distribution) (APAM)
University of Wisconsin - Stevens Point Freckmann Herbarium (APAM)
Related Websites
CT-Connecticut Botanical Society (APAM)
IN-Purdue Center for New Crops (APAM)
KY-Wildflowers of Western Kentucky (APAM)
MO-Missouri Plants (APAM)
Nearctica-Eastern Wildflowers (APAM)
Plants For A Future (APAM)
TN-Tennessee Valley Authority (APAM)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Apios+americana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Apios+americana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 12
Query: SELECT * FROM img WHERE ready=1 and taxon like "Apios americana%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Apios americana
Apios americana
ID: 0000 0000 0506 1154 [detail]
© 2006 Louis-M. Landry

Apios americana
Apios americana
ID: 0000 0000 0506 1155 [detail]
© 2006 Louis-M. Landry

Apios americana
Apios americana
ID: 0000 0000 0506 1156 [detail]
© 2006 Louis-M. Landry

Apios americana
Apios americana
ID: 0000 0000 0408 1241 [detail]
© 2008 Louis-M. Landry

Apios americana
Apios americana
ID: 0000 0000 0309 1713 [detail]
© 2009 Jason E. Willand

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3903 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3904 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3905 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3906 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3907 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3908 [detail]
© 2016 Keir Morse

Apios americana
Apios americana
Groundnut, Potato Bean
ID: 0000 1111 1234 3909 [detail]
© 2016 Keir Morse

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