Plant Index


 
 
 

Strophostyles helvola

Strophostyles helvola (L.) Elliott

amberique-bean, annual sand bean

Synonym(s): Strophostyles helvula, Strophostyles helvula var. missouriensis
Strophostyles helvola (Amberique-bean)
Image ID: 21274
Image by: Cressler, Alan M.
Image Collection: NCBG Digital Library

PLANT INDEX

ID_PLANT: STHE9
SCIENTIFIC NAME: Strophostyles helvola
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2018-01-09

GENUS INDEX

GENUS CODE: STROP
GENUS SCIENTIFIC: Strophostyles
GENUS AUTHORITY: Elliott
GENUS COMMON: Fuzzybean
GENUS SUMMARY: A genus of 3 species, annual and perennial herbs, of North America.
GENUS IDENTIFICATION:
GENUS REFERENCES: Pelotto & Martínez (1998)=Z; Isely (1998)=I. Key adapted from SE.

FAMILY INDEX

FAMILY CODE: FABACE
FAMILY SCIENTIFIC: Fabaceae
FAMILY AUTHORITY: Lindley 1836 or LEGUMINOSAE A.L. de Jussieu 1789
FAMILY COMMON: Legume Family
FAMILY SUMMARY: A family of about 730 genera and 20,000 species, trees, shrubs, and herbs, cosmopolitan.
FAMILY REFERENCE: Isely (1990)=SE (throughout the family treatment); Isely (1998)=I; Lewis et al. (2005); Wojciechowski, Lavin, & Sanderson (2004); Wilbur (1963a); Robertson & Lee (1976).

NCBG DESCRIPTIVES

INTRO: Herbaceous perennial vine found on coastal dunes and beaches, in dry sandy woodlands, disturbed areas.
STEMS: Stems slender, rough, with a few hairs, trailing along ground and over other plants.
LEAVES: Leaves alternate; on petioles with stipules at the base; divided into 3 1- to 2-in.-long, oval leaflets with tips that taper to a point, only the terminal leaflet stalked and the 2 lateral leaflets with asymmetrical bases; smooth to sparsely hairy.
INFLORESCENCE:
FLOWERS: Flowers in stalked, axillary clusters of up to 10 (only 2 or 3 in bloom at one time); pink; about 1/2 in. wide; with typical pea-flower shape, including an erect, flaring banner petal and a dark purplish spur-like projection on the keel petal that twists and curls back up at the tip.
FRUITS: Fruit a slender round pod, with a few close-pressed hairs.
COMMENTS:
HEIGHT: to 6 ft. (long)

DURATION: Annual
HABIT: Herb, Vine

LEAF ARRANGEMENT: Alternate
LEAF COMPLEXITY: Trifoliate
LEAF RETENTION:

FLORAL CHARACTERISTICS
SYMMETRY: Bilateral (Zygomorphic)
BLOOM TIME: Jun-Sep
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
x x x x x x

BLOOM COLOR: Pink
White Red Pink Orange Yellow Green Blue Lavender Purple Violet Brown Not Applicable
x

FRUITING PERIOD: Aug-Oct.

DISTRIBUTION
HABITAT TYPE: Disturbed, maritime, Woods margins
NATIVE RANGE:

HORTICULTURAL
Plant Sale Text:

Bloom Table Text:

NCBG Location:

Cultural Notes:

SOIL MOISTURE: Dry, Average, Moist/Wet
LIGHT EXPOSURE: Sun, Part Shade, Shade
MINIMUM HARDINESS ZONE:
MAXIMUM HARDINESS ZONE:
GERMINATION CODE:
WILDLIFE VALUE:
DEER RESISTANCE:


GRIM COLLECTIONS

Coll_id Project Collection date Collector Action
498 SOS 2015-09-11 Maynard View
879 SOS 2016-11-17 Faucette View
887 SOS 2016-11-16 Faucette View
2316 NPMD 2019-10-24 Touloupas View


USDA PLANTS DATABASE

USDA Symbol: STHE9
USDA Common Name: Amberique-bean
Native Status: L48 (N), CAN (N)
Distribution: USA (AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, WI, WV), CAN (ON, QC)
Duration: Annual
Growth Habit: Vine, Forb/herb

NATIONAL WETLAND INDICATOR STATUS

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FACU FACU FACU FAC FAC FAC

This information is derived from the U.S. Army Corps of Engineers 2016 National Wetland Plant List, Version 3.3 (Lichvar, R.W., D.L. Banks, W.N. Kirchner, and N.C. Melvin. 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1-17. Published 28 April 2016. ISSN 2153 733X). Regions: AGCP-Atlantic and Gulf Coastal Plain, AK-Alaska, AW-Arid West, CB-Caribbean, EMP-Eastern Mountains and Piedmont, GP-Great Plains, HI-Hawaii, MW-Midwest, NCNE-Northcentral and Northeast, WMCV-Western Mountains, Valleys & Coast

WEAKLEY FLORA

SCIENTIFIC NAME: Strophostyles helvola
COMMON NAME: Annual Sand Bean
SYNONYMY: [= C, G, K2, Mo, Pa, RAB, S, Va, WH3, WV; = S. helvula (Linnaeus) Elliott - K1, SE, W, Z, orthographic variant; > S. helvola var. helvola - F; > S. helvola var. missouriensis (S. Watson) Britton - F]
PHENOLOGY: Jun-Sep; Aug-Oct.
HABITAT: Coastal dunes, beaches, dry sandy woodlands, disturbed areas.
COMMENTS: QC west to MN and SD, south to n. peninsular FL and e. TX. See Isely (1986b) for a discussion of the orthography of the epithet.
RANGE MAP: Strophostyles helvola.png

Key to Map Symbols
ABOUT FAMILY (Weakley Flora)
Fabaceae Lindley 1836 or LEGUMINOSAE A.L. de Jussieu 1789 (Legume Family)
SUMMARY: A family of about 730 genera and 20,000 species, trees, shrubs, and herbs, cosmopolitan.
REFERENCE: Isely (1990)=SE (throughout the family treatment); Isely (1998)=I; Lewis et al. (2005); Wojciechowski, Lavin, & Sanderson (2004); Wilbur (1963a); Robertson & Lee (1976).
ABOUT GENUS (Weakley Flora)
Strophostyles Elliott (Fuzzybean)
SUMMARY: A genus of 3 species, annual and perennial herbs, of North America.
REFERENCE: Pelotto & Martínez (1998)=Z; Isely (1998)=I. Key adapted from SE.

HERBARIUM RESOURCES

SERNEC: Find Strophostyles helvola in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Strophostyles helvola in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES

USDA: Find Strophostyles helvola in USDA Plants
NPIN: Find Strophostyles helvola in NPIN Database
FNA: Find Strophostyles helvola in the Flora of North America (if available)
Google: Search Google for Strophostyles helvola

NCBG IMAGE RECORDS

ID IMAGE1: 21274
ID IMAGE2: 0
ID IMAGE3: 21274

From the Image Gallery


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Image ID: 35217
10 photo(s) available in the Image Gallery

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