Explore 23,508 Species
owlsclaws
Hymenoxys hoopesii (A.Gray) Bierner
Hymenoxys hoopesii, also called orange sneezeweed, is a daisy family flowering p…
Pingue Rubberweed
Hymenoxys richardsonii (Hook.) Cockerell
Hymenoxys richardsonii is a North American sunflower-family plant with tradition…
white henbane
Hyoscyamus albus L.
Hyoscyamus albus L., or white henbane, is a slightly poisonous medicinal plant w…
Yellow Henbane
Hyoscyamus aureus L.
Hyoscyamus aureus L. is a sticky sprawling perennial with golden yellow purple-t…
black henbane
Hyoscyamus niger L.
Hyoscyamus niger (henbane) is a toxic, psychoactive Solanaceae plant with a long…
Perennial Hyoseris
Hyoseris radiata L.
Hyoseris radiata L. is a self-supporting herb in Asteraceae with broad leaves th…
thatching grass
Hyparrhenia hirta (L.) Stapf
Hyparrhenia hirta is a perennial grass, native to Africa and Eurasia, used for t…
Bog St. John's-wort
Hypericum anagalloides Cham. & Schltdl.
Hypericum anagalloides is a low-growing mat-forming flowering plant in the St. J…
Tutsan
Hypericum androsaemum L.
Hypericum androsaemum L. is a small shrubby Hypericum used in folk medicine, nat…
Great St. John's Wort
Hypericum ascyron L.
Hypericum ascyron L. is a large perennial Hypericum native to parts of Asia and …
Hypericum balearicum L.
Hypericum balearicum L.
Hypericum balearicum is a small flowering shrub or tree native to the Balearic I…
Rose-of-sharon
Hypericum calycinum L.
Hypericum calycinum is a low evergreen flowering shrub native to southeast Europ…
Canada St. John's wort
Hypericum canadense L.
Hypericum canadense L. is a perennial herb native to eastern North America, with…
Canary Islands St. John's Wort
Hypericum canariense L.
Hypericum canariense L. is a yellow-flowered shrub native to the Canary Islands …
roundpod St. John's-wort
Hypericum cistifolium Lam.
Hypericum cistifolium Lam. is a 0.2-0.9m tall shrub with yellow 5-petaled flower…
goldwire
Hypericum concinnum Benth.
Hypericum concinnum, the gold-wire, is a small perennial yellow-flowered plant i…
St. Peter's-wort
Hypericum crux-andreae (L.) Crantz
Hypericum crux-andreae (St. Peter's-wort) is a small perennial shrub native to E…
Highlands scrub hypericum
Hypericum cumulicola (Small) P.B.Adams
Hypericum cumulicola, or highlands scrub hypericum, is a federally endangered pe…
Marsh St John's-wort
Hypericum elodes L.
Hypericum elodes L. is a mat-forming grey perennial with yellow resin-scented fl…
peelbark St. John's Wort
Hypericum fasciculatum Lam.
Hypericum fasciculatum, peelbark St. Johnswort, is a Hypericaceae flowering plan…
pineweed
Hypericum gentianoides (L.) Britton, Sterns & Poggenb.
Hypericum gentianoides, or orangegrass/pineweed, is an annual St. John's wort na…
Small St John's Wort
Hypericum gramineum G.Forst.
Hypericum gramineum G.Forst. (Grassy St. Johnswort) is a small herb that causes …
Large-leaved Saint John's Wort
Hypericum grandifolium Choisy
Hypericum grandifolium Choisy is a bushy shrub native to Macaronesia that has be…
Stinking Tutsan
Hypericum hircinum L.
Hypericum hircinum is a perennial shrub native to parts of Europe, North Africa,…
