Persicaria sagittata (Linnaeus) H. Gross ex Nakai. Section: Echinocaulon. Common name: Arrowleaf Tearthumb, Arrowvine, Scratch-grass. Phenology: May-Dec. Habitat: Marshes, bogs, beaver impoundments, wet thickets. Distribution: NL (Newfoundland) west to MB, south to Panhandle FL and e. TX; China, Manchuria, India, Siberia, Korea, and Japan.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, Can, Fl4, FNA5, K4, Mi, Mo3, NE, NY, Pa, Tn, Va; = Polygonum sagittatum L. — C, G, GW2, RAB, Tat, Tx, W, WH3, WV, Horton (1972), Mitchell & Dean (1978); = Tracaulon sagittatum (L.) Small — Il, S, S13; = Truellum sagittatum (L.) Soják; > Polygonum sagittatum L. var. gracilentum Fernald — F; > Polygonum sagittatum L. var. sagittatum — F. Basionym: Polygonum sagittatum L. 1753
Links to other floras: = Persicaria sagittata - FNA5
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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 ⓘ: 7
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Horticultural Information
Intro: Erect to sprawling annual/short-lived perennial of marshes, bogs, seeps, beaver ponds and wet thickets.
Stems: Stems sprawling over other plants, hollow and brittle, ridged with recurved barbs on the ridges.
Leaves: Leaves alternate, petiolate to sessile and with a short-fringed, membranous sheath (ocrea) where petiole meets stem; lance-shaped with 2 "earlobes" at the base; 1-4 in. long; with fine hairs on margins and recurved barbs on the mid-vein beneath.
Inforescence:
Flowers: Flowers in small, rounded clusters on stalks from upper leaf axils; white to pale pink; less than 1/4 in. long; consisting of 5 oval tepals.
Fruits:
Comments:
Height: 3-6 ft.
plant sale text:
bloom table text:
description: Erect to sprawling annual/short-lived perennial of marshes, bogs, seeps, beaver ponds and wet thickets.
stems: Stems sprawling over other plants, hollow and brittle, ridged with recurved barbs on the ridges.
leaves: Leaves alternate, petiolate to sessile and with a short-fringed, membranous sheath (ocrea) where petiole meets stem; lance-shaped with 2 "earlobes" at the base; 1-4 in. long; with fine hairs on margins and recurved barbs on the mid-vein beneath.
inflorescence:
flowers: Flowers in small, rounded clusters on stalks from upper leaf axils; white to pale pink; less than 1/4 in. long; consisting of 5 oval tepals.
fruits:
comments:
cultural notes:
germination code:
native range:
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