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Poison plants

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Characteristics

Environment

Usage

Rothmannia urcelliformis leaf picture by Maarten Vanhove (cc-by-sa)
Rothmannia urcelliformis
Species rank
Rubiaceae family
perennial
edible fruits
no plant picture
Rothmannia whitfieldii
Species rank
Rubiaceae family

edible fruits
no plant picture
Rourea
Rourea (en)
Genus rank
Connaraceae family

no plant picture
Rourea coccinea
Species rank
Connaraceae family

no plant picture
Rourea minor
Species rank
Connaraceae family
perennial
edible fruits seeds roots
no plant picture
Rourea orientalis
Species rank
Connaraceae family
perennial
edible leaves roots
no plant picture
Rourea thomsonii
Species rank
Connaraceae family

no plant picture
Rubiaceae
Madder family (en), Rubiacées (fr)
Family rank
Rubiaceae family

Rudbeckia hirta habit picture by Christine Berni (cc-by-sa)
Rudbeckia hirta
Blackeyed susan (en), Rudbeckie hérissée (fr), Rudbeckia hérissé (fr)
Species rank
Asteraceae family

edible
Rudbeckia laciniata habit picture by Laurie Smith (cc-by-sa)
Rudbeckia laciniata
Greenheaded coneflower (en), Rudbeckia lacinié (fr), Rudbeckie découpée (fr), Rudbeckie laciniée (fr)
Species rank
Asteraceae family
perennial
edible leaves
Rudbeckia occidentalis leaf picture by Yang Chen (cc-by-sa)
Rudbeckia occidentalis
Western coneflower (en)
Species rank
Asteraceae family
perennial
Rumex acetosa habit picture by Groupe Botanique de Bruxelles (cc-by-sa)
Rumex acetosa
Common sorrel (en), Rumex oseille (fr), Patience oseille (fr), Oseille des prés (fr), Grande oseille (fr), Oseille commune (fr), Oseille sauvage (fr), Surelle (fr)
Species rank
Polygonaceae family
perennial
edible flowers leaves seeds roots
Rumex acetosella habit picture by lisl (cc-by-sa)
Rumex acetosella
Sheep's sorrel (en), Petite oseille (fr), Oseille des brebis (fr), Patience petite-oseille (fr), Surelle (fr)
Species rank
Polygonaceae family
perennial
edible leaves seeds roots
no plant picture
Rumex brownii
Oseille (fr)
Species rank
Polygonaceae family
perennial
edible leaves roots
Rumex crispus habit picture by shayne shayne brookes (cc-by-sa)
Rumex crispus
Curled dock (en), Patience crépue (fr), Oseille crépue (fr), Parelle crépue (fr), Rumex crépu (fr)
Species rank
Polygonaceae family
perennial
edible leaves seeds roots
Ruta chalepensis habit picture by Bernardo Cañiza (cc-by-sa)
Ruta chalepensis
Fringed rue (en), Rue de Chalep (fr)
Species rank
Rutaceae family
perennial
edible leaves
Ruta graveolens habit picture by Mladen Glavic (cc-by-sa)
Ruta graveolens
Common rue (en), Rue fétide (fr), Rue odorante (fr), Rue des jardins (fr)
Species rank
Rutaceae family
perennial
edible leaves seeds
no plant picture
Ruthalicia eglandulosa
Species rank
Cucurbitaceae family
perennial
Ryania speciosa leaf picture by Jean-François Molino (cc-by-sa)
Ryania speciosa
Species rank
Salicaceae family

no plant picture
Saba comorensis
Species rank
Apocynaceae family
perennial
edible fruits seeds
WorldFloraDB 2024