Plants — 23,508 Species
Top Families in Plants
All Plants Species
Lizard Orchid
Himantoglossum hircinum (L.) Spreng.
Himantoglossum hircinum, the lizard orchid, is a goat-scented European orchid that usually tricks pollinators with no nectar.
giant orchid
Himantoglossum robertianum (Loisel.) P.Delforge
Himantoglossum robertianum is a bulbous Mediterranean orchid with an edible cooked bulb, whose range is expanding with climate change.
Star of Bethlehem
Hippobroma longiflora (L.) G.Don
Hippobroma longiflora is a toxic flowering Campanulaceae species endemic to Jamaica, containing psychoactive alkaloids lobeline and nicotine.
False horsewood
Hippobromus pauciflorus (L.fil.) Radlk.
Hippobromus pauciflorus is a small semi-deciduous tree native to eastern southern Africa, used for construction and carpentry.
horseshoe vetch
Hippocrepis comosa L.
Hippocrepis comosa is a UK limestone/chalk plant that is the exclusive caterpillar food plant for two rare blue butterflies.
Scorpion Senna
Hippocrepis emerus (L.) Lassen
Hippocrepis emerus is a perennial shrub that is a main host plant for the moth Zygaena ephialtes, found across parts of Europe, North Africa and Asia Minor.
Manchineel
Hippomane mancinella L.
Hippomane mancinella, the poisonous manchineel tree, native to tropical American coastal regions, is toxic to most life but has been used for timber.
Sea-buckthorn
Hippophae rhamnoides L.
Hippophae rhamnoides (sea-buckthorn) is a hardy dioecious shrub native to Eurasia, used medicinally, agriculturally and for ecological restoration.
Common Mare's Tail
Hippuris vulgaris L.
Hippuris vulgaris L., or common mare's tail, is an aquatic creeping perennial herb that is a prolific methane emitter and can be a troublesome weed.
Hiptage
Hiptage benghalensis (L.) Kurz
Hiptage benghalensis is a tropical liana/shrub native to South Asia, invasive elsewhere, cultivated for flowers and Ayurvedic medicine.
Shortpod Mustard
Hirschfeldia incana (L.) Lagr.-Foss.
Hirschfeldia incana, the only species in genus Hirschfeldia, is a mustard native to the Mediterranean, often an introduced weed with edible leaves.
Water Fern
Histiopteris incisa (Thunb.) J.Sm.
Histiopteris incisa, the bat's wing fern, is a medium southern hemisphere fern widely grown as an ornamental in Tasmania.
Indian rushpea
Hoffmannseggia glauca (Ortega) Eifert
Hoffmannseggia glauca is a small perennial herb, a noxious weed in Kansas, with edible tubers used by several Indigenous groups.
Wand Holdback
Hoffmannseggia microphylla Torr.
Hoffmannseggia microphylla, or wand holdback, is a perennial legume shrub native to the southwestern US and Baja California.
Narrow-leaved lacebark
Hoheria angustifolia Raoul
Hoheria angustifolia is a New Zealand endemic evergreen lacebark tree or shrub in the mallow family.
North Island lacebark
Hoheria populnea A.Cunn.
Hoheria populnea is an endemic New Zealand flowering tree used in Māori traditional textiles.
long-leaved lacebark
Hoheria sexstylosa Colenso
Hoheria sexstylosa is an evergreen New Zealand-endemic flowering tree or shrub grown in cultivation.
large leatherroot
Hoita macrostachya (DC.) Rydb.
Hoita macrostachya is a hairy glandular perennial legume native to California and Baja California that bears purplish pea-shaped flowers.
Holacantha emoryi A.Gray
Holacantha emoryi A.Gray
Castela emoryi, also called crucifixion thorn, is a mostly leafless desert shrub native to the southwestern US and northwestern Mexico.
Yorkshire fog
Holcus lanatus L.
Holcus lanatus L. is a grass species that can be invasive, with distinct physical traits and documented ecological roles.
creeping velvet grass
Holcus mollis L.
Holcus mollis L. is a rhizomatous perennial grass found in woods and hedgerows, identified by distinct traits and specific soil preferences.
Chinese Hat Plant
Holmskioldia sanguinea Retz.
Holmskioldia is a monotypic Lamiaceae genus containing the ornamental Chinese hat plant, Holmskioldia sanguinea.
Heermann's tarweed
Holocarpha heermannii (Greene) D.D.Keck
Holocarpha heermannii is an annual herb native to central and southern California that bears yellow composite flower heads.
Pit-gland Tarweed
Holocarpha virgata (A.Gray) D.D.Keck
Holocarpha virgata is an annual herb endemic to California, with yellow flower heads and two recognized subspecies.
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