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Poison plants

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Characteristics

Environment

Usage

Rauvolfia vomitoria habit picture by Dieter Albrecht (cc-by-sa)
Rauvolfia vomitoria
Poison devil's-pepper (en)
Species rank
Apocynaceae family
perennial
edible leaves
no plant picture
Ravenea dransfieldii
Species rank
Arecaceae family
perennial
edible
no plant picture
Reissantia indica
Species rank
Celastraceae family
perennial
no plant picture
Remusatia vivipara
Species rank
Araceae family
perennial
edible leaves roots
no plant picture
Retama raetam
Species rank
Fabaceae family
perennial
no plant picture
Reutealis trisperma
Philippine tung (en)
Species rank
Euphorbiaceae family
perennial
edible
Reynoutria japonica habit picture by Matthias Foellmer (cc-by-sa)
Reynoutria japonica
Japanese knotweed (en), Renouée du Japon (fr), Reynoutrie du Japon (fr)
Species rank
Polygonaceae family
perennial
edible leaves fruits seeds roots
no plant picture
Rhadinothamnus anceps
Species rank
Rutaceae family
perennial
Rhamnus cathartica habit picture by Ka Janine (cc-by-sa)
Rhamnus cathartica
Common buckthorn (en), Nerprun purgatif (fr)
Species rank
Rhamnaceae family
perennial
edible fruits
Rhaphidophora decursiva habit picture by Dieter Albrecht (cc-by-sa)
Rhaphidophora decursiva
Species rank
Araceae family
perennial
edible
no plant picture
Rheum altaicum
Species rank
Polygonaceae family
perennial
edible flowers leaves fruits
no plant picture
Rheum officinale
Chinese rhubarb (en)
Species rank
Polygonaceae family
perennial
edible leaves seeds roots
Rheum rhabarbarum leaf picture by P Kurtz (cc-by-sa)
Rheum rhabarbarum
Garden rhubarb (en)
Species rank
Polygonaceae family
perennial
edible leaves
Rheum rhaponticum leaf picture by Страхил Иванов (cc-by-sa)
Rheum rhaponticum
Patience des Alpes (fr), Rumex des Alpes (fr), Oseille des Alpes (fr), Rhubarbe des moines (fr)
Species rank
Polygonaceae family
perennial
edible flowers leaves fruits
no plant picture
Rheum x hybridum
Rhubarbe hybride (fr)
Species rank
Polygonaceae family
perennial
edible flowers leaves fruits
no plant picture
Rhinacanthus nasutus
Species rank
Acanthaceae family

edible leaves
no plant picture
Rhinacanthus virens
Species rank
Acanthaceae family

Rhododendron albiflorum habit picture by jimmysong (cc-by-sa)
Rhododendron albiflorum
Cascade azalea (en)
Species rank
Ericaceae family
perennial
edible leaves
no plant picture
Rhododendron arboreum
Rhododendron (fr)
Species rank
Ericaceae family
perennial
edible flowers leaves
Rhododendron cinnabarinum flower picture by phuentsho (cc-by-sa)
Rhododendron cinnabarinum
Species rank
Ericaceae family
perennial
edible flowers
WorldFloraDB 2024