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.
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
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FAC
- Northcentral & Northeast: FAC
Heliophily ⓘ: 8
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Horticultural Information
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:
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