Sagittaria australis (J.G. Smith) Small. Common name: Appalachian Arrowhead, Longbeak Arrowhead. Phenology: Jun-Oct. Habitat: Marshes, swamps, rivershores, backwaters, margins of ponds and lakes. Distribution: NY west to s. IN and se. MO, south to SC, Panhandle FL, and MS.
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, Ar, C, F, FNA22, Il, K4, NS, Pa, POWO, S, S13, Va, W, WV, Beal, Wooten, & Kaul (1982), Keener (2005); = n/a — Tat; = Sagittaria engelmanniana J.G.Sm. ssp. longirostra (Micheli) Bogin — G, GW1, Bogin (1955), misapplied; = Sagittaria longirostra (Micheli) J.G.Sm. — RAB, misapplied; < Sagittaria australis (J.G.Sm.) Small — WH3; Sagittaria longirostra (Micheli) J.G.Sm. var. australis J.G. Smith. Basionym: Sagittaria longirostra (Micheli) J.G.Sm. var. australis J.G.Sm. 1897
Links to other floras: = Sagittaria australis - FNA22
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
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Horticultural Information
Intro: Erect, aquatic perennial of marshes, swamps, river shores, backwaters, margins of ponds and lakes.
Stems: Flowering stems (scapes) and leaves arising from underground stem and held above water surface.
Leaves: Leaves clustered basally on long, 5-angled petioles; arrowhead-shaped with broad basal lobes; 4-10 in. long; smooth.
Inforescence:
Flowers: Flowers in whorls of 3 along an erect, 6-angled scape; male and female flowers separate; white; about 1 in. wide; consisting of 3 spreading, rounded petals. Male flowers with bushy yellow stamens and female flowers with mounded, green compound ovary.
Fruits: Fruit a brown, compact cluster of beaked achenes.
Comments:
Height: 8-30 in.
plant sale text:
bloom table text:
description: Erect, aquatic perennial of marshes, swamps, river shores, backwaters, margins of ponds and lakes.
stems: Flowering stems (scapes) and leaves arising from underground stem and held above water surface.
leaves: Leaves clustered basally on long, 5-angled petioles; arrowhead-shaped with broad basal lobes; 4-10 in. long; smooth.
inflorescence:
flowers: Flowers in whorls of 3 along an erect, 6-angled scape; male and female flowers separate; white; about 1 in. wide; consisting of 3 spreading, rounded petals. Male flowers with bushy yellow stamens and female flowers with mounded, green compound ovary.
fruits: Fruit a brown, compact cluster of beaked achenes.
comments:
cultural notes:
germination code:
native range:
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