Strophostyles helvola (Annual Sand Bean)

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https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{295F3BF9-27B9-41FE-9803-56BB751F7DAB}

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FABACEAE

Strophostyles helvola (Linnaeus) Elliott. Annual Sand Bean, Trailing Fuzzy Bean, Amberique Bean. Phen: Jun-Sep; Aug-Oct. Hab: Coastal dunes, beaches, dry sandy woodlands, disturbed areas. Dist: 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, FNA11.1, G, GrPl, K3, K4, NE, NY, Pa, RAB, Tat, Tx, Va, WH3, WV; = Strophostyles helvula (L.) Elliott – K1, 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

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.

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native range:

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Horticultural Information