Plants — 23,508 Species

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waterpepper
Polygonaceae

waterpepper

Persicaria hydropiper (L.) Spach

Persicaria hydropiper, commonly water pepper, is an annual damp-loving herb used in food and traditional medicine.

swamp smartweed
Polygonaceae

swamp smartweed

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.

pale smartweed
Polygonaceae

pale smartweed

Persicaria lapathifolia (L.) Gray

Persicaria lapathifolia is a morphologically variable annual herb found across much of the world on shores and disturbed ground.

low smartweed
Polygonaceae

low smartweed

Persicaria longiseta (Bruijn) Kitag.

Persicaria longiseta, an annual knotweed native to Asia, is introduced and often weedy or invasive in North America and Europe.

spotted lady's thumb
Polygonaceae

spotted lady's thumb

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.

small water-pepper
Polygonaceae

small water-pepper

Persicaria minor (Huds.) Opiz

Persicaria minor, or kesum, is an edible Southeast Asian aromatic herb with documented bioactive properties and culinary and medicinal uses.

Nepal Persicaria
Polygonaceae

Nepal Persicaria

Persicaria nepalensis (Meisn.) H.Gross

Persicaria nepalensis is a Polygonaceae flowering plant native to eastern Africa and parts of Asia, introduced to other continents.

kiss-me-over-the-garden-gate
Polygonaceae

kiss-me-over-the-garden-gate

Persicaria orientalis (L.) Spach

Persicaria orientalis is a Polygonaceae flowering plant with common names kiss-me-over-the-garden-gate and princess-feather.

pinkweed
Polygonaceae

pinkweed

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.

mile-a-minute weed
Polygonaceae

mile-a-minute weed

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.

Asian lady's thumb
Polygonaceae

Asian lady's thumb

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.

Creeping Knotweed
Polygonaceae

Creeping Knotweed

Persicaria prostrata (R.Br.) Soják

Persicaria prostrata is a decumbent perennial herb that grows in seasonally inundated, damp heavy-soil habitats.

Dotted Smartweed
Polygonaceae

Dotted Smartweed

Persicaria punctata (Elliott) Small

Persicaria punctata, or dotted smartweed, is a variable knotweed species native to wet habitats across the Americas.

arrow-leaved tearthumb
Polygonaceae

arrow-leaved tearthumb

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.

American jumpseed
Polygonaceae

American jumpseed

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.

Prickly Geebung
Proteaceae

Prickly Geebung

Persoonia juniperina Labill.

Persoonia juniperina is a variable-height Australian shrub found in south-eastern forest and heath habitats.

Broad-leaf Geebung
Proteaceae

Broad-leaf Geebung

Persoonia levis (Cav.) Domin

Persoonia levis is an Australian shrub or small tree adapted to fire-prone dry sclerophyll forest, rarely cultivated.

Narrow-leaf Geebung
Proteaceae

Narrow-leaf Geebung

Persoonia linearis Andrews

Persoonia linearis Andrews is a common Australian woody plant adapted to fire, grown in horticulture for hedging and floral use.

Pine-leaf Geebung
Proteaceae

Pine-leaf Geebung

Persoonia pinifolia R.Br.

Persoonia pinifolia is an upright woody shrub grown in horticulture as an attractive hedge or screen, though it is hard to propagate.

silky geebung
Proteaceae

silky geebung

Persoonia sericea A.Cunn. ex R.Br.

Persoonia sericea is a hairy Australian shrub that has been observed sprouting young seedlings from decaying kangaroo dung.

small-leaved geebung
Proteaceae

small-leaved geebung

Persoonia virgata R.Br.

Persoonia virgata is a flowering shrub found in near-coastal eastern Australia between Queensland and New South Wales.

shiny sandpaper plant
Loasaceae

shiny sandpaper plant

Petalonyx nitidus S.Watson

Petalonyx nitidus, or shinyleaf sandpaper plant, is a flowering subshrub native to southwestern United States deserts.

Thurber's Sandpaper Plant
Loasaceae

Thurber's Sandpaper Plant

Petalonyx thurberi A.Gray

Petalonyx thurberi, or sandpaper plant, is a desert subshrub native to the southwestern US and northwestern Mexico with two subspecies.

quinine bush
Picrodendraceae

quinine bush

Petalostigma pubescens Domin

Petalostigma pubescens Domin, the quinine bush, is a native rainforest tree described in 1927 by Karel Domin.

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