Plants — 23,508 Species

slaty helmet-orchid

Corybas incurvus D.L.Jones & M.A.Clem.

Corybas incurvus, the slaty helmet orchid, is a terrestrial terrestrial orchid native to southeastern Australia and Tasmania.

iridescent corybas

Corybas iridescens Irwin & Molloy

Corybas iridescens is a terrestrial perennial orchid endemic to New Zealand with an iridescent crimson labellum.

New Zealand spider-orchid

Corybas oblongus (Hook.f.) Rchb.f.

Corybas oblongus is a terrestrial perennial orchid native to New Zealand's main and outlying islands, found from coast to subalpine habitats.

Corybas sanctigeorgianus Lehnebach

Corybas sanctigeorgianus Lehnebach

Corybas sanctigeorgianus is a endemic terrestrial orchid from New Zealand’s North Island, with a single heart-shaped leaf and single flower.

golden corydalis

Corydalis aurea Willd.

Corydalis aurea is a North American native flowering plant in the poppy family with medicinal and ornamental garden uses.

Fitweed

Corydalis caseana A.Gray

Corydalis caseana A.Gray (Sierra corydalis) is a large poisonous western US perennial, toxic to horses.

Corydalis caucasica DC.

Corydalis caucasica DC.

Corydalis caucasica DC. is a small tuberous spring ephemeral perennial suitable for alpine and rock garden cultivation, holding an RHS Award of Garden Merit.

Hollowroot

Corydalis cava (L.) Schweigg. & Körte

Corydalis cava is a spring ephemeral plant containing alkaloids including the occasionally medicinally used bulbocapnine.

Yellow Corydalis

Corydalis flavula (Raf.) DC.

Corydalis flavula is an herbaceous perennial native to eastern US, with documented historical medicinal uses by multiple cultures.

Incised Fumewort

Corydalis incisa (Thunb.) Pers.

Corydalis incisa is an annual plant that grows up to 2 feet tall and inhabits waterways, rock walls, and other moist, disturbed habitats.

Corydalis intermedia (L.) Mérat

Corydalis intermedia (L.) Mérat

Corydalis intermedia is a European flowering plant species in the Papaveraceae family.

Smallflower Fumewort

Corydalis micrantha (Engelm. & A.Gray) A.Gray ex J.M.Coult.

Corydalis micrantha is an annual North American herb divided into three subspecies, with one listed as endangered in Illinois.

Noble Corydalis

Corydalis nobilis (L.) Pers.

Corydalis nobilis (L.) Pers. is a hardy ornamental plant with ant-dispersed seeds that grows well in varied light conditions.

Scouler's Corydalis

Corydalis scouleri Hook.

Bird-in-a-bush

Corydalis solida (L.) Clairv.

Corydalis solida is a cultivated spring ephemeral flowering plant native to northern Europe and Asia.

American hazelnut

Corylus americana Walter

Corylus americana, the American hazelnut, is a North American nut-bearing shrub with edible nuts and wildlife value.

common hazel

Corylus avellana L.

Corylus avellana (common hazel) is a nut-producing shrub grown commercially for hazelnuts, native to Europe and western Asia.

Turkish Hazel

Corylus colurna L.

Corylus colurna (Turkish hazel) is a large ornamental hazel commonly used as graft rootstock for commercial common hazel.

beaked hazelnut

Corylus cornuta Marshall

Corylus cornuta (beaked hazelnut) is a hardy North American shrub with edible nuts used by wildlife and people.

Marri

Corymbia calophylla (Lindl.) K.D.Hill & L.A.S.Johnson

Corymbia calophylla, also called marri, is a large Australian tree with cultural, ecological and practical uses.

Lemon-scented gum

Corymbia citriodora (Hook.) K.D.Hill & L.A.S.Johnson

Corymbia citriodora is a lemon-scented eucalypt-like tree native to eastern Australia that is an environmental weed in other parts of the country.

Red-flowering gum

Corymbia ficifolia (F.Muell.) K.D.Hill & L.A.S.Johnson

Corymbia ficifolia, red-flowering gum, is a widely cultivated Australian tree valued for its bright colourful flowers.

Red Bloodwood

Corymbia gummifera (Gaertn.) K.D.Hill & L.A.S.Johnson

Corymbia gummifera is an Australian eucalypt-like tree grown for timber and as grafting rootstock for ornamental Corymbia ficifolia.

Pink Bloodwood

Corymbia intermedia (R.T.Baker) K.D.Hill & L.A.S.Johnson

Corymbia intermedia, the pink bloodwood, is an eastern Australian eucalypt-like tree with documented ecological interactions and human uses.