Polygonaceae
Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross
Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross
Persicaria capitata is a prostrate herb native to Asia with documented medicinal uses in China.
Persicaria chinensis (L.) H.Gross
Persicaria chinensis (L.) H.Gross
Persicaria chinensis is a 2–3 m tall perennial climbing herb with edible sour berries.
Persicaria decipiens (R.Br.) K.L.Wilson
Persicaria decipiens (R.Br.) K.L.Wilson
Persicaria decipiens (slender knotweed) is a trailing flowering plant native to Australia and Asia that grows in wet habitats.
Persicaria extremiorientalis (Vorosch.) Tzvelev
Persicaria extremiorientalis (Vorosch.) Tzvelev
East Asian smartweed (Persicaria extremiorientalis) is a buckwheat family plant native to East Asia and introduced to the eastern US.
Persicaria filiformis (Thunb.) Nakai
Persicaria filiformis (Thunb.) Nakai
Persicaria filiformis is a flowering Polygonaceae plant native to East and Southeast Asia, with distinct spotted light green leaves.
Persicaria glabra (Willd.) M.Gómez
Persicaria glabra (Willd.) M.Gómez
Persicaria glabra is a medium annual herb similar to two related Persicaria species, bearing small pink/white flowers and flattened black nuts.
Persicaria hydropiper (L.) Spach
Persicaria hydropiper (L.) Spach
Persicaria hydropiper, commonly water pepper, is an annual damp-loving herb used in food and traditional medicine.
Persicaria hydropiperoides (Michx.) Small
Persicaria hydropiperoides (Michx.) Small
Persicaria hydropiperoides (swamp smartweed) is an edible variable flowering herb native to the Americas that grows in moist and wet habitats.
Persicaria lapathifolia (L.) Gray
Persicaria lapathifolia (L.) Gray
Persicaria lapathifolia is a morphologically variable annual herb found across much of the world on shores and disturbed ground.
Persicaria longiseta (Bruijn) Kitag.
Persicaria longiseta (Bruijn) Kitag.
Persicaria longiseta, an annual knotweed native to Asia, is introduced and often weedy or invasive in North America and Europe.
Persicaria maculosa Gray
Persicaria maculosa Gray
Persicaria maculosa Gray is an annual herb native to Eurasia, naturalized elsewhere, often a weed, with edible young leaves and usable for dye.
Persicaria minor (Huds.) Opiz
Persicaria minor (Huds.) Opiz
Persicaria minor, or kesum, is an edible Southeast Asian aromatic herb with documented bioactive properties and culinary and medicinal uses.
Persicaria nepalensis (Meisn.) H.Gross
Persicaria nepalensis (Meisn.) H.Gross
Persicaria nepalensis is a Polygonaceae flowering plant native to eastern Africa and parts of Asia, introduced to other continents.
Persicaria orientalis (L.) Spach
Persicaria orientalis (L.) Spach
Persicaria orientalis is a Polygonaceae flowering plant with common names kiss-me-over-the-garden-gate and princess-feather.
Persicaria pensylvanica (L.) M.Gómez
Persicaria pensylvanica (L.) M.Gómez
Persicaria pensylvanica, or Pennsylvania smartweed, is an annual herb that provides food and cover for wildlife, with traditional Native American medicinal uses.
Persicaria perfoliata (L.) H.Gross
Persicaria perfoliata (L.) H.Gross
Persicaria perfoliata is an annual plant with distinct ochreas, edible blue fruits, and uses in traditional Chinese medicine and rope making.
Persicaria posumbu (Buch.-Ham. ex D.Don) H.Gross
Persicaria posumbu (Buch.-Ham. ex D.Don) H.Gross
Persicaria posumbu is a disjunctly distributed flowering plant in Polygonaceae with uncertain relation to P. cespitosa.
Persicaria prostrata (R.Br.) Soják
Persicaria prostrata (R.Br.) Soják
Persicaria prostrata is a decumbent perennial herb that grows in seasonally inundated, damp heavy-soil habitats.
Persicaria punctata (Elliott) Small
Persicaria punctata (Elliott) Small
Persicaria punctata, or dotted smartweed, is a variable knotweed species native to wet habitats across the Americas.
Persicaria sagittata (L.) H.Gross
Persicaria sagittata (L.) H.Gross
Persicaria sagittata is an annual prickly herb widespread across eastern North America and eastern Asia that grows in moist areas.
Persicaria virginiana (L.) Gaertn.
Persicaria virginiana (L.) Gaertn.
Persicaria virginiana, or jumpseed, is a Persicaria species native to eastern North America, Japan and the Himalayas, with cultivated variegated cultivars.
Polygonella gracilis (Nutt.) Meisn.
Polygonella gracilis (Nutt.) Meisn.
Polygonella gracilis, also called tall jointweed, is a dioecious annual flowering plant native to the southeastern US.
Polygonella myriophylla (Small) Horton
Polygonella myriophylla (Small) Horton
Polygonella myriophylla is an allelopathic mat-forming subshrub native to Florida scrub habitats facing threats from habitat loss and fire suppression.
Polygonella polygama (Vent.) Engelm. & A.Gray
Polygonella polygama (Vent.) Engelm. & A.Gray
Polygonella polygama, the october-flower, is a US southeast coastal plain endemic flowering plant of xeric fire-dependent habitats.
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