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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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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

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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