Explore cytotoxic herbs

Dame's-violet

Hesperis matronalis

Hesperis matronalis, commonly known as Dame's Rocket, is a fragrant perennial herb cherished in traditional herbalism...

False arnica

Heterotheca inuloides

Heterotheca inuloides, commonly known as golden aster, is a resilient perennial herb native to North America...

Confederate rose

Hibiscus mutabilis

Hibiscus mutabilis, commonly known as the Confederate Rose, is a captivating shrub celebrated for its color-changing...

Roselle

Hibiscus sabdariffa

Hibiscus sabdariffa, commonly known as Roselle, is a vibrant tropical shrub celebrated for its deep red...

Rose of sharon

Hibiscus syriacus

Hibiscus syriacus, commonly known as Rose of Sharon, is a versatile deciduous shrub celebrated for its...

Himatanthus articulatus

Himatanthus articulatus

Himatanthus articulatus, commonly known as the Madagascar Periwinkle or Madagascar Oleander, is a versatile medicinal plant...

Himatanthus drasticus

Himatanthus drasticus

Himatanthus drasticus, commonly known as Devil's Trumpet or Madagascar Periwinkle, is a tropical shrub prized in...

Superb amaryllis

Hippeastrum vittatum

Hippeastrum vittatum, commonly known as the striped amaryllis, is a striking perennial valued for its vibrant,...

Hippobromus pauciflorus

Hippobromus pauciflorus

Hippobromus pauciflorus, commonly known as a rare medicinal herb, holds significant potential in traditional healing practices...

Sea-buckthorn

Hippophae rhamnoides

Hippoe rhamnoides, commonly known as sea buckthorn, is a resilient shrub celebrated for its nutrient-dense orange...

Hoffmannia strigillosa

Hoffmannia strigillosa

Hoffmannia strigillosa, commonly known as a member of the Rubiaceae family, is a fascinating medicinal herb...

Holarrhena curtisii

Holarrhena curtisii

Holarrhena curtisii, commonly known as a medicinal shrub in certain tropical regions, is a plant valued...

Holarrhena pubescens ex

Holarrhena pubescens

Holarrhena pubescens, commonly known as the yellow-flowered shrub, is a significant medicinal plant native to specific...

Indian-elm

Holoptelea integrifolia

Holoptelea integrifolia, commonly known as the smooth-leaved holoptelia, is a distinctive medicinal shrub native to South...

Hopea brevipetiolaris

Hopea brevipetiolaris

Hopea brevipetiolaaris, commonly known as a member of the Dipterocarpaceae family, is a significant medicinal plant...

Hopea cordifolia

Hopea cordifolia

Hopea cordifolia, commonly known as the Cordate Hopea, is a significant medicinal plant native to tropical...

Hopea jucunda

Hopea jucunda

Hopea jucunda, commonly known as a member of the Dipterocarpaceae family, is a magnificent tropical timber...

Hopea malibato

Hopea malibato

Hopea malibato, commonly known as a rare timber species, is a significant medicinal plant indigenous to...

Barley plant

Hordeum vulgare

Hordeum vulgare, commonly known as barley, is a versatile cereal grain widely cultivated for food and...

Lizard tail

Houttuynia cordata

Houttuynia cordata, commonly known as chameleon plant or fish mint, is a versatile medicinal herb valued...

Hop

Humulus lupulus

Humulus lupulus, commonly known as hops, is a perennial climbing vine celebrated for its aromatic flowers...

Northern firmoss

Huperzia selago

Huperzia selago, commonly known as fir clubmoss, is a perennial lycopod found in acidic, moist habitats...

Sandbox tree

Hura crepitans

Hura crepitans, commonly known as the sandbox tree, is a remarkable tropical species famed for its...

Common hyacinth

Hyacinthus orientalis

Hyacinthus orientalis, commonly known as the Oriental hyacinth, is a fragrant perennial celebrated for its striking,...

Hydrangea arborescens

Hydrangea arborescens

Hydrangea arborescens, commonly known as Smooth Hydrangea, is a deciduous shrub native to eastern North America...

Marsh barbel

Hygrophila auriculata

Hygrophila auriculata, commonly known as Koovalam or Marsh Barbel, is a versatile medicinal herb found in...

Caribbean spiderlily

Hymenocallis caribaea

Hymenocallis caribaea, commonly known as the Caribbean spider lily, is a striking perennial valued for its...

Cayman islands spider-lily

Hymenocallis latifolia

Hymenocallis latifolia, commonly known as the wide-leaf paperwhite, is a striking perennial valued for its ornamental...

Spider lily

Hymenocallis littoralis

Hymenocallis littoralis, commonly known as the Beach Spider Lily, is a stunning perennial prized for its...

Hymenocardia acida

Hymenocardia acida

Hymenocardia acida, commonly known as the "Acidic Hymenocardia," is a versatile medicinal plant native to tropical...

Henbane

Hyoscyamus niger

Hyoscyamus niger, commonly known as Henbane, is a potent medicinal plant belonging to the Solanaceae family...

Hofariqun

Hypericum

Hypericum, commonly known as St. John's Wort, is a versatile flowering plant prized in herbal medicine...

Kantaron

Hypericum adenotrichum

Hypericum adenotrichum, commonly known as a specialized member of the St. John's Wort family, is a...

Tutsan

Hypericum androsaemum

Hypericum androsaemum, commonly known as St. John's wort, is a perennial herb native to the mountainous...

Giant st. john's-wort

Hypericum ascyron

Hypericum ascryon, commonly known as St. John's Wort, is a perennial herb belonging to the Hypericaceae...

Hypericum fauriei

Hypericum fauriei

Hypericum fauriei, commonly known as a species of St. John's Wort, is a medicinal plant native...

Matted st. john's-wort

Hypericum japonicum

Hypericum japonicum, commonly known as Japanese St. John's Wort, is a perennial herb belonging to the...

Downy st john's-wort

Hypericum lanuginosum

Hypericum lanuginosum, commonly known as woolly St. John's wort, is a resilient perennial herb native to...

Hypericum legrandii

Hypericum legrandii

Hypericum legrandii, commonly known as a unique member of the St. John's wort family, is a...

Goldencup st. john's wort

Hypericum patulum

Hypericum patulum, commonly known as the creeping St. John's wort, is a resilient perennial herb native...

Common st. john's wort

Hypericum perforatum

Hypericum perforatum, commonly known as St. John's Wort, is a perennial flowering plant revered in traditional...

Large-leaved currybush

Hypericum roeperianum

Hypericum roeperianum, commonly known as a member of the St. John's Wort family, is a distinctive...

Hypericum russeggeri

Hypericum russeggeri

Hypericum russeggeri, commonly known as a rare member of the St. John's wort family, is a...

Hypericum sampsonii

Hypericum sampsonii

Hypericum sampsonii, commonly known as Samson's St. John's Wort, is a rare medicinal plant native to...

Goldflower

Hypericum × moserianum

Hypericum × moserianum, commonly known as Moserian's St. John's Wort, is a fascinating hybrid plant. While...

African stargrass

Hypoxis hemerocallidea

Hypoxis hemecalcoidea, commonly known as African Potato, is a medicinal plant native to Southern Africa. Renowned...

Knobweed

Hyptis capitata

Hyptis capitata, commonly known as the "Cabbage Flower" or "Wild Cabbage," is a resilient medicinal herb...

Wareque

Ibervillea sonorae

Ibervillea sonorae, commonly known as Sonora's Ibervillea, is a resilient medicinal plant native to the arid...