Sagittaria calycina Engelmann. Common name: Hooded Arrowhead. Phenology: May-Sep. Habitat: Seasonally exposed shores and flats of ponds, pools, and impoundments. Distribution: N. OH and MI west to SD and CO, south to sw. VA, c. TN, LA, TX, and Mexico; disjunct in CA. Scattered occurrences eastwards are difficult to interpret as to 'nativeness', being primarily or entirely in manmade wetlands, to which they may have arrived by a diversity of means. First reported for SC by Hill & Horn (1997).
Origin/Endemic status: Native
Synonymy ⓘ: = C, GrPl, Il, K4, Pa, POWO, RAB, Va, W; = Lophotocarpus calycinus (Engelm.) J.G.Sm. — F, S, WV; = n/a — Tat; = Sagittaria montevidensis Cham. & Schltdl. ssp. calycina (Engelm.) Bogin — AqW, Ar, ETx1, FNA22, G, GW1, Meso6, NcTx, NS, Ok, Tx, Bogin (1955), Keener (2005); > Lophotocarpus calycinus (Engelm.) J.G.Sm. — S13; > Lophotocarpus depauperatus J.G.Sm. — S13; > Sagittaria calycina Engelm. var. calycina — Mo1. Basionym: Sagittaria calycina Engelm. 1859
Links to other floras: = Sagittaria montevidensis ssp. calycina - 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 ⓘ: 9
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Horticultural Information
Intro: Aquatic annual/perennial found on seasonally exposed shores and flats of ponds, pools and impoundments.
Stems: Stemless, the leaves and flowering scape(s) arising from underground rhizomes/tubers.
Leaves: Leaves in a basal clump; emersed leaves on long, spongy petioles and nearly triangular to arrowhead-shaped or elliptic, to 8 in. long; submersed leaves (rare) primarily linear and lacking petioles.
Inforescence:
Flowers: Flowers stalked, in 3-12 whorls on an erect or curved scape, with male flowers above and perfect (both male and female parts) flowers below; white (sometimes pink-tinged); about ¾ in. wide; consisting of 3 round petals with a yellowish-green spot at the base and (perfect flowers) a ring of yellow stamens surrounding a bulbous yellow-green center of tiny carpels. 2-3 small, boat-shaped bracts at the base of each flower whorl soon wither and drop.
Fruits: Fruit a brown, compact cluster of beaked achenes.
Comments:
Height: 2-6 in.
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description: Aquatic annual/perennial found on seasonally exposed shores and flats of ponds, pools and impoundments.
stems: Stemless, the leaves and flowering scape(s) arising from underground rhizomes/tubers.
leaves: Leaves in a basal clump; emersed leaves on long, spongy petioles and nearly triangular to arrowhead-shaped or elliptic, to 8 in. long; submersed leaves (rare) primarily linear and lacking petioles.
inflorescence:
flowers: Flowers stalked, in 3-12 whorls on an erect or curved scape, with male flowers above and perfect (both male and female parts) flowers below; white (sometimes pink-tinged); about ¾ in. wide; consisting of 3 round petals with a yellowish-green spot at the base and (perfect flowers) a ring of yellow stamens surrounding a bulbous yellow-green center of tiny carpels. 2-3 small, boat-shaped bracts at the base of each flower whorl soon wither and drop.
fruits: Fruit a brown, compact cluster of beaked achenes.
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cultural notes:
germination code:
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