Copy permalink to share
Fabaceae
Strophostyles

not marked as a favorite taxon Strophostyles helvola (Linnaeus) Elliott. Common name: Annual Sand Bean, Trailing Fuzzy Bean, Amberique Bean. Phenology: Jun-Sep; Aug-Oct. Habitat: Coastal dunes, beaches, dry sandy woodlands, disturbed areas. Distribution: QC west to MN and SD, south to n. peninsular FL and e. TX.

Glossary (beta!)

Origin/Endemic status: Native

Taxonomy Comments: See Isely (1986b) for a discussion of the orthography of the epithet. The spelling of the epithet as "helvola" has been conserved.

Synonymy ⓘ: = C, Can, FNA11.1, G, GrPl, K4, Mo3, NE, NS, NY, Pa, POWO, RAB, Tat, Tx, Va, WH3, WV; = Strophostyles helvula (L.) Elliott — Mi, NcTx, SE3, Tn, W, Pelotto & Del Pero Martínez (1998), orthographic variant; > Strophostyles helvola (L.) Elliott — S, S13; > Strophostyles helvola (L.) Elliott var. helvola — F; > Strophostyles helvola (L.) Elliott var. missouriensis (S.Watson) Britton — F; > Strophostyles helvula (L.) Elliott var. helvula — Il, orthographic variant; > Strophostyles helvula (L.) Elliott var. missouriensis (S.Watson) Britton — Il, orthographic variant; > Strophostyles missouriansis (S.Watson) Small — S13; Phaseolus helvolus Linnaeus. Basionym: Phaseolus helvolus L. 1753

Links to other floras: = Strophostyles helvola - FNA11.1

Show in key(s)

Show parent genus | Show parent in key(s)

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC
  • Eastern Mountains and Piedmont: FACU
  • Great Plains: FACU
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily ⓘ: 8

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image #1 of Strophostyles helvola© Erik Danielson source | Original Image ⭷
image #2 of Strophostyles helvola© Scott Ward | Original Image ⭷
image #3 of Strophostyles helvola© Alan M. Cressler | Original Image ⭷
image #4 of Strophostyles helvola© Bruce A. Sorrie | Original Image ⭷
image #5 of Strophostyles helvola© Scott Ward | Original Image ⭷
image #6 of Strophostyles helvola© Gary P. Fleming | Original Image ⭷
image #7 of Strophostyles helvola© Collectors SOS | Original Image ⭷
image #8 of Strophostyles helvola© Erik Danielson source | Original Image ⭷

Feedback

See something missing or incorrect about Strophostyles helvola? Let us know here:
  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

NCBG trait

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.

Inforescence:

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)

plant sale text:

bloom table text:

description: 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:

cultural notes:

germination code:

native range:



0 unsaved edits on this page.