Plants — 23,508 Species

White Butterbur

Petasites albus (L.) Gaertn.

Petasites albus is a perennial dioecious rhizomatous herb native to central European and Caucasus mountains, now naturalized in parts of northern Europe.

Arctic Butterbur

Petasites frigidus (L.) Fr.

Petasites frigidus, Arctic sweet coltsfoot, is a Northern Hemisphere perennial herb with edible parts that carry toxic alkaloid risks.

Common Butterbur

Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb.

Petasites hybridus, commonly called butterbur, is a dioecious herb with noted toxic properties and a history of traditional medicinal use.

Giant Butterbur

Petasites japonicus (Siebold & Zucc.) Maxim.

Petasites japonicus is a dioecious herbaceous perennial in Asteraceae, native to East Asia and introduced elsewhere, containing toxic pyrrolizidine alkaloids.

Alpine Butterbur

Petasites paradoxus (Retz.) Baumg.

Winter Heliotrope

Petasites pyrenaicus (L.) G.López

Petasites pyrenaicus is a dioecious perennial herb, introduced and naturalized as an invasive ornamental in the British Isles.

Woolly Butterbur

Petasites spurius (Retz.) Rchb.

Petasites spurius is a flowering plant species in the Asteraceae family, with media on Wikimedia Commons and data on Wikispecies.

Guinea Hen Weed

Petiveria alliacea L.

Petiveria alliacea is a herbaceous shrub native to the Americas, used as a bat and insect repellent.

Rock Goldenrod

Petradoria pumila (Nutt.) Greene

Petradoria pumila, or rock goldenrod, is the only species in the North American Petradoria genus, native to the western United States.

Queen's Wreath

Petrea volubilis L.

Petrea volubilis L. is a climbing or shrubby neotropical plant with blue flowers that has traditional medicinal uses.

conesticks

Petrophile canescens A.Cunn. ex R.Br.

Petrophile canescens is an erect flowering shrub found in Queensland and New South Wales, distinguished by its finely hairy new growth.

Pixie Mops

Petrophile linearis R.Br.

Petrophile linearis, pixie mops, is a flowering Australian shrub that grows in south-west Western Australian woodland and heath.

Conesticks

Petrophile pulchella (Schrad. & J.C.Wendl.) R.Br.

Petrophile pulchella is a variable-height Australian shrub killed by fire that regenerates from canopy-stored seed.

mat rock spiraea

Petrophytum caespitosum (Nutt.) Rydb.

Petrophytum caespitosum is a low matted rock-growing shrub native to mountainous areas of the Western United States.

Hairypink

Petrorhagia dubia (Raf.) G.López & Romo

Petrorhagia dubia, the hairy pink, is an annual flowering plant in the Caryophyllaceae family native to southern Europe and the Mediterranean.

Childing Pink

Petrorhagia nanteuilii (Burnat) P.W.Ball & Heywood

Petrorhagia nanteuilii is an annual caryophyllaceae flowering plant native to Europe, with several common names including childing pink.

Proliferous Pink

Petrorhagia prolifera (L.) P.W.Ball & Heywood

Petrorhagia prolifera is a flowering plant species of the Caryophyllaceae family, native from Europe to Iran and Northwestern Africa.

Tunicflower

Petrorhagia saxifraga (L.) Link

Petrorhagia saxifraga is a small herbaceous flowering plant in the Caryophyllaceae family, native to parts of Eurasia and introduced elsewhere.

Rock Stonecrop

Petrosedum forsterianum (Sm.) Grulich

Petrosedum forsterianum is an evergreen stonecrop, eaten in food, used for green roofs, native to Western Europe and Morocco.

European Stonecrop

Petrosedum ochroleucum (Chaix) Niederle

Petrosedum ochroleucum, the European stonecrop, is a Crassulaceae plant species native to Europe and Turkey.

Reflexed Stonecrop

Petrosedum rupestre (L.) P.V.Heath

Petrosedum rupestre is a low-growing succulent popular in cultivation, occasionally eaten in Europe with a slightly astringent or sour taste.

Pale Stonecrop

Petrosedum sediforme (Jacq.) Grulich

Petrosedum sediforme is a Mediterranean succulent, cultivated ornamentally and used as an edible pot-herb.

garden parsley

Petroselinum crispum (Mill.) Fuss

Petroselinum crispum, or garden parsley, is a widely cultivated edible herb that supports local pollinators and swallowtail butterfly larvae.

large white petunia

Petunia axillaris (Lam.) Britton, Sterns & Poggenb.

Petunia axillaris is a white-flowered annual herb from South America, one parent of the common garden petunia hybrid.