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Persicaria meisneriana (Chamisso & Schlechtendal) M. Gómez var. beyrichiana (Chamisso & Schlechtendal) C.C. Freeman. Section: Echinocaulon. Common name: Mexican Tearthumb. Phenology: Jul-Oct. Habitat: Wet savannas, blackwater river floodplains, ditches; sometimes considered only introduced in southeastern North America, but probably native. Distribution: E. SC south to FL, west to LA; Mexico (CHP, VER) and Central America south to n. South America; Brazil; se. Africa. Reported for Mobile County, AL (Barger et al. 2023).

Origin/Endemic status: Native

Taxonomy Comments: See Mitchell (1970) and Freeman (2004).

Synonymy ⓘ: = Fl4, FNA5, K4; = n/a — C, RAB, Tat; = Polygonum meisnerianum Cham. & Schltdl. var. beyrichianum (Cham. & Schltdl.) Meisn. — GW2, WH3; = Tracaulon beyrichianum (Cham. & Schltdl.) Small — S13; < Polygonum meisnerianum Cham. & Schltdl. — Mex, Tx, Horton (1972); < Truellum meisnerianum (Cham. & Schltdl.) Soják; Polygonum beyrichianum Chamisso & Schlechtendal. Basionym: Polygonum beyrichianum Cham. & Schltdl. 1828

Links to other floras: = Persicaria meisneriana var. beyrichiana - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (name change)

Heliophily ⓘ: 5

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image of plant© Eric Ungberg, all rights reserved, uploaded by Eric Ungberg source | Original Image ⭷
image of plant© Eric Ungberg, all rights reserved, uploaded by Eric Ungberg source | Original Image ⭷
image of plant© Eric Ungberg, all rights reserved, uploaded by Eric Ungberg source | Original Image ⭷

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Horticultural Information

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