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Sagittaria graminea Michaux. clade: Graminea Group, Graminea Complex. Common name: Grassleaf Arrowhead. Phenology: May-Nov. Habitat: Marshes, ponds, freshwater and oligohaline tidal marshes. Distribution: NL (Newfoundland) and NL (Labrador) west to MN and SD, south to s. FL and c. TX; West Indies.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, ETx1, Il, K4, Mi, NS, Ok, POWO, Tx, Va, WV; = Sagittaria graminea Michx. ssp. graminea — NY, Sorrie, Keener, & Edwards (2007); = Sagittaria graminea Michx. var. graminea — C, G, GrPl, GW1, Mo1, NE, Pa, RAB, SFla, WH3, Wooten (1973); > Sagittaria cycloptera (J.G.Sm.) C.Mohr — S, S13; > Sagittaria eatonii J.G.Sm. — F, Tat; < Sagittaria graminea Michx. — W; > Sagittaria graminea Michx. — F, S, S13, Tat; < Sagittaria graminea Michx. ssp. graminea — AqW, Can, FNA22, Keener (2005); < Sagittaria graminea Michx. var. graminea — Bogin (1955), (also see S. isoetiformis); Sagittaria graminea Michx. Basionym: Sagittaria graminea Michx. 1803

Links to other floras: < Sagittaria graminea ssp. graminea - FNA22

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Wetland Indicator Status:

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

Heliophily ⓘ: 8

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image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Jim Fowler | Original Image ⭷
image of plant© Jim Fowler | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect, aquatic perennial of marshes, ponds, freshwater and saltwater tidal marshes.

Stems: Flowering scapes and leaves arising from an underground stem and mostly held above water surface.

Leaves: Leaves clustered basally and of two types: linear to narrowly lance-shaped ones on petioles and up to 7 in. long are both submerged and above water; narrower, grass-like leaves up to 14 in. long are above water.

Inforescence:

Flowers: Flowers in 1-10 whorls of 3 flowers each along an erect scape, male and female flowers separate; white; 1/2-1 in. wide; consisting of 3 spreading, rounded petals and the male flowers (above) with bushy yellow stamens and female flowers (below) with a mounded, green compound ovary.

Fruits: Fruit a brown, compact cluster of achenes.

Comments: Sagittaria chapmanii . . . . and S. isoetiformis....?

Height: 1-3 ft.

plant sale text:

bloom table text:

description: Erect, aquatic perennial of marshes, ponds, freshwater and saltwater tidal marshes.

stems: Flowering scapes and leaves arising from an underground stem and mostly held above water surface.

leaves: Leaves clustered basally and of two types: linear to narrowly lance-shaped ones on petioles and up to 7 in. long are both submerged and above water; narrower, grass-like leaves up to 14 in. long are above water.

inflorescence:

flowers: Flowers in 1-10 whorls of 3 flowers each along an erect scape, male and female flowers separate; white; 1/2-1 in. wide; consisting of 3 spreading, rounded petals and the male flowers (above) with bushy yellow stamens and female flowers (below) with a mounded, green compound ovary.

fruits: Fruit a brown, compact cluster of achenes.

comments: Sagittaria chapmanii . . . . and S. isoetiformis....?

cultural notes:

germination code:

native range:



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