Explore 23,508 Species
alpine catchfly
Heliosperma pusillum (Waldst. & Kit.) Rchb.
Heliosperma pusillum is a Western European mountain native flowering plant in Ca…
fragrant heliotrope
Heliotropium amplexicaule Vahl
Heliotropium amplexicaule, a poisonous toxic heliotrope native to South America,…
Scorpion's-tail
Heliotropium angiospermum Murray
Heliotropium angiospermum, or scorpion's tail, is a flowering heliotrope native …
alkali heliotrope
Heliotropium curassavicum L.
Heliotropium curassavicum is a salty-soil tolerant perennial herb native to the …
European heliotrope
Heliotropium europaeum L.
Heliotropium europaeum is a poisonous annual herb native to Eurasia and North Af…
hairy heliotrope
Heliotropium hirsutissimum Grauer
Heliotropium hirsutissimum, the hairy heliotrope, is a hairy plant native to par…
Indian Heliotrope
Heliotropium indicum L.
Heliotropium indicum L. (Indian heliotrope) is an annual Asian weed with toxic a…
Stinking hellebore
Helleborus foetidus L.
Helleborus foetidus, or stinking hellebore, is an evergreen poisonous perennial …
Christmas-rose
Helleborus niger L.
Helleborus niger (Christmas rose) is an evergreen toxic alpine plant with a hist…
Lenten-rose
Helleborus orientalis Lam.
Helleborus orientalis Lam., the poisonous Lenten rose, is an evergreen perennial…
Green Hellebore
Helleborus viridis L.
Helleborus viridis (green hellebore) is a toxic semi-evergreen perennial floweri…
Crêpe ginger
Hellenia speciosa (J.Koenig) S.R.Dutta
Hellenia speciosa, or crepe ginger, is a spiral-leaved Costaceae species cultiva…
Helmet Sedge
Hellmuthia membranacea (Thunb.) R.W.Haines & Lye
Hellmuthia membranacea is the only species in the monotypic Cyperaceae genus Hel…
bristly oxtongue
Helminthotheca echioides (L) Holub
Helminthotheca echioides, or bristly oxtongue, is a widespread weedy herb native…
Fool's Watercress
Helosciadium nodiflorum (L.) W.D.J.Koch
Helosciadium nodiflorum is a low-growing hairless perennial found in wet and bra…
Helwingia japonica (Thunb.) F.Dietr.
Helwingia japonica (Thunb.) F.Dietr.
Helwingia japonica is a dioecious flowering shrub with edible parts that has doc…
orange day-lily
Hemerocallis fulva (L.) L.
Hemerocallis fulva, the orange daylily, is a popular edible ornamental with toxi…
amur day-lily
Hemerocallis middendorffii Trautv. & C.A.Mey.
Hemerocallis middendorffii is a herbaceous perennial daylily with four recognize…
Small daylily
Hemerocallis minor Mill.
Hemerocallis minor Mill., common daylily, is a 0.5m tall yellow-flowered herb na…
snakebush
Hemiandra pungens R.Br.
Hemiandra pungens R.Br. is a variable Australian shrub with spotted flowers grow…
Himalayan Redberry Creeper
Hemiphragma heterophyllum Wall.
Hemiphragma heterophyllum is a perennial Plantaginaceae flowering plant with thr…
Hooded Hemipilia
Hemipilia cucullata (L.) Y.Tang, H.Peng & T.Yukawa
Hemipilia cucullata is an orchid species with a wide temperate Eurasian distribu…
gnome plant
Hemitomes congestum A.Gray
Hemitomes congestum A.Gray is a chlorophyll-less, holomycotrophic perennial herb…
Opposite-leaved Tarweed
Hemizonella minima (A.Gray) A.Gray
Hemizonella minima, opposite-leaved tarweed, is the only species in the North Am…
