Plants — 23,508 Species
Top Families in Plants
All Plants Species
Hayfield Tarweed
Hemizonia congesta DC.
Hemizonia congesta DC. is an aromatic glandular annual tarweed native to California and Oregon, growing in open grassy habitats.
sharp-lobed hepatica
Hepatica acutiloba DC.
Sharp-lobed hepatica (Hepatica acutiloba) is a clumping spring-blooming buttercup native to central eastern North America with historical Cherokee medicinal use.
round-lobed hepatica
Hepatica americana (DC.) Ker Gawl.
Hepatica americana, the round-lobed hepatica, is a herbaceous flowering buttercup native to eastern North America.
Liverleaf
Hepatica nobilis Schreb.
Hepatica nobilis Schreb. is a small perennial herb that has received the RHS Award of Garden Merit and is slightly toxic when fresh.
Australian Umbrella Tree
Heptapleurum actinophyllum (Endl.) Lowry & G.M.Plunkett
Heptapleurum actinophyllum is an evergreen rainforest tree grown ornamentally that is invasive in some regions.
Miniature umbrella tree
Heptapleurum arboricola Hayata
Heptapleurum arboricola is an evergreen shrub native to Taiwan, widely grown as a tolerant houseplant and mild-climate landscape plant.
Ivy Tree
Heptapleurum heptaphyllum (L.) Y.F.Deng
Heptapleurum heptaphyllum is an Araliaceae flowering plant native to East and Southeast Asia, now including the former critically endangered Schefflera rubriflora.
Taiwan Umbrella Tree
Heptapleurum taiwanianum (Nakai) G.M.Plunkett & Lowry
Heptapleurum taiwanianum is a Taiwanese evergreen ornamental flowering plant in Araliaceae that gained the RHS Award of Garden Merit.
Austrian Hogweed
Heracleum austriacum L.
Heracleum austriacum L. is a 0.28-meter tall perennial flowering plant first formally described in 1753 by Carl Linnaeus.
dissected hogweed
Heracleum dissectum Ledeb.
Heracleum dissectum Ledeb. is a flowering Apiaceae species found across temperate regions of northern and northeastern Asia.
Giant Hogweed
Heracleum mantegazzianum Sommier & Levier
Heracleum mantegazzianum, or giant hogweed, is a large monocarpic invasive perennial plant widespread in Europe and North America.
common cowparsnip
Heracleum maximum W.Bartram
Heracleum maximum, or cow parsnip, is a tall North American perennial herb with documented toxicity and traditional Indigenous uses.
Sosnowsky's hogweed
Heracleum sosnowskyi Manden.
Sosnowsky's hogweed is a large monocarpic perennial that dies after producing its wind- or water-dispersed seeds.
common cowparsnip
Heracleum sphondylium L.
Heracleum sphondylium, common hogweed, is a herbaceous perennial flowering plant native to Europe, western Asia and northern Africa.
curly herissantia
Herissantia crispa (L.) Brizicky
Herissantia crispa is a mallow family flowering plant native to tropical Americas, often introduced and weedy elsewhere.
Looking-glass mangrove
Heritiera littoralis Dryand. ex Aiton
Heritiera littoralis Dryand. ex Aiton is an evergreen mangrove-edge tree harvested for durable salt-resistant timber with multiple traditional uses.
Musk Orchid
Herminium monorchis (L.) R.Br.
Herminium monorchis, the musk orchid, is a common orchid widespread across much of Europe and northern Asia with local distribution in Britain.
Lantern Tree
Hernandia nymphaeifolia (C.Presl) Kubitzki
Hernandia nymphaeifolia is a tropical coastal tree with documented uses across Pacific islands.
Smooth Rupturewort
Herniaria glabra L.
Smooth rupturewort (Herniaria glabra L.) is a Caryophyllaceae plant growing in North America and Europe that contains herniarin.
hairy rupturewort
Herniaria hirsuta L.
Herniaria hirsuta, or hairy rupturewort, is a prostrate annual herb used as an herbal kidney stone remedy in Morocco.
Scarlet River Lily
Hesperantha coccinea (Backh. & Harv.) Goldblatt & J.C.Manning
Hesperantha coccinea is a red-flowered Iridaceae perennial native to southern Africa, grown as an ornamental garden plant.
slimleaf plains-mustard
Hesperidanthus linearifolius (A.Gray) Rydb.
Hesperidanthus linearifolius is a perennial mustard herb with purple flowers, native to dry western North American habitats.
dame's rocket
Hesperis matronalis L.
Hesperis matronalis, also called dame's rocket, is an often-biennial flowering plant with edible parts that is invasive in North America.
desert lily
Hesperocallis undulata A.Gray
Hesperocallis undulata, the desert lily, is a North American desert bulb with white flowers, eaten by native peoples.
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