Plants — 23,508 Species
Top Families in Plants
All Plants Species
owlsclaws
Hymenoxys hoopesii (A.Gray) Bierner
Hymenoxys hoopesii, also called orange sneezeweed, is a daisy family flowering plant native to the western United States.
Pingue Rubberweed
Hymenoxys richardsonii (Hook.) Cockerell
Hymenoxys richardsonii is a North American sunflower-family plant with traditional medicinal uses among the Zuni people.
white henbane
Hyoscyamus albus L.
Hyoscyamus albus L., or white henbane, is a slightly poisonous medicinal plant with a history of ancient Greek medical use.
Yellow Henbane
Hyoscyamus aureus L.
Hyoscyamus aureus L. is a sticky sprawling perennial with golden yellow purple-throated flowers, found in Turkish rocky, ruined sites up to 1200 m.
black henbane
Hyoscyamus niger L.
Hyoscyamus niger (henbane) is a toxic, psychoactive Solanaceae plant with a long history of medicinal, ritual, and culinary use.
Perennial Hyoseris
Hyoseris radiata L.
Hyoseris radiata L. is a self-supporting herb in Asteraceae with broad leaves that grows up to 23 cm tall.
thatching grass
Hyparrhenia hirta (L.) Stapf
Hyparrhenia hirta is a perennial grass, native to Africa and Eurasia, used for thatching, grazing and weaving, and invasive in eastern Australia.
Bog St. John's-wort
Hypericum anagalloides Cham. & Schltdl.
Hypericum anagalloides is a low-growing mat-forming flowering plant in the St. John’s wort family native to western North America.
Tutsan
Hypericum androsaemum L.
Hypericum androsaemum L. is a small shrubby Hypericum used in folk medicine, native to Eurasia and North Africa, and invasive in Australia and New Zealand.
Great St. John's Wort
Hypericum ascyron L.
Hypericum ascyron L. is a large perennial Hypericum native to parts of Asia and North America.
Hypericum balearicum L.
Hypericum balearicum L.
Hypericum balearicum is a small flowering shrub or tree native to the Balearic Islands, introduced to Italy.
Rose-of-sharon
Hypericum calycinum L.
Hypericum calycinum is a low evergreen flowering shrub native to southeast Europe and southwest Asia, widely grown in gardens.
Canada St. John's wort
Hypericum canadense L.
Hypericum canadense L. is a perennial herb native to eastern North America, with uncertain origins for its European populations.
Canary Islands St. John's Wort
Hypericum canariense L.
Hypericum canariense L. is a yellow-flowered shrub native to the Canary Islands and Madeira, introduced as a minor weed elsewhere.
roundpod St. John's-wort
Hypericum cistifolium Lam.
Hypericum cistifolium Lam. is a 0.2-0.9m tall shrub with yellow 5-petaled flowers that grows in the southeastern US.
goldwire
Hypericum concinnum Benth.
Hypericum concinnum, the gold-wire, is a small perennial yellow-flowered plant in Hypericaceae, endemic to California.
St. Peter's-wort
Hypericum crux-andreae (L.) Crantz
Hypericum crux-andreae (St. Peter's-wort) is a small perennial shrub native to Eastern North America that grows in mostly wet sandy areas.
Highlands scrub hypericum
Hypericum cumulicola (Small) P.B.Adams
Hypericum cumulicola, or highlands scrub hypericum, is a federally endangered perennial herb endemic to Florida scrub habitat.
Marsh St John's-wort
Hypericum elodes L.
Hypericum elodes L. is a mat-forming grey perennial with yellow resin-scented flowers native to western and northern Europe.
peelbark St. John's Wort
Hypericum fasciculatum Lam.
Hypericum fasciculatum, peelbark St. Johnswort, is a Hypericaceae flowering plant native mainly to the US Southeast.
pineweed
Hypericum gentianoides (L.) Britton, Sterns & Poggenb.
Hypericum gentianoides, or orangegrass/pineweed, is an annual St. John's wort native to eastern North America whose extracts inhibit HIV contraction.
Small St John's Wort
Hypericum gramineum G.Forst.
Hypericum gramineum G.Forst. (Grassy St. Johnswort) is a small herb that causes photosensitization and enteritis, distributed across multiple regions in Asia, Oceania, and Hawaii.
Large-leaved Saint John's Wort
Hypericum grandifolium Choisy
Hypericum grandifolium Choisy is a bushy shrub native to Macaronesia that has become invasive in many non-native regions.
Stinking Tutsan
Hypericum hircinum L.
Hypericum hircinum is a perennial shrub native to parts of Europe, North Africa, and West Asia, used as an ornamental and in medicine.
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