Plants — 23,508 Species

Cynanchica pyrenaica (L.) P.Caputo & Del Guacchio

Cynanchica pyrenaica (L.) P.Caputo & Del Guacchio

Cynanchica pyrenaica (squinancywort) is a European, Asian, and North African perennial herb with no confirmed historical use to treat quinsy.

Stranglewort

Cynanchum acutum L.

Monkeyrope Buckhorn

Cynanchum ellipticum (Harv.) R.A.Dyer

Cynanchum ellipticum is a toxic South African climbing Apocynaceae plant that causes livestock poisoning.

honey-vine climbing milkweed

Cynanchum laeve (Michx.) Pers.

Cynanchum laeve is a twining vine in the Apocynaceae family that is toxic to humans and livestock, and hosts monarch caterpillars.

Cynanchum thesioides (Freyn) K.Schum.

Cynanchum thesioides (Freyn) K.Schum.

Cynanchum thesioides is a perennial herb with white latex, growing from a creeping rhizome. It has straight or twining stems, opposite leaves, fragrant inflorescences, white - to - yellow corollas, a distinctive corona, and ovoid - fusiform follicles with reddish - brown seeds and a white coma.

Caustic Vine

Cynanchum viminale (L.) L.

Cynanchum viminale is a leafless succulent used as forage, food, and traditional medicine across a broad environmental range.

Artichoke Thistle

Cynara cardunculus L.

Cynara cardunculus L. includes wild cardoon, cultivated cardoon, and edible artichoke, with multiple culinary and industrial uses.

Dwarf Artichoke

Cynara humilis L.

Cynara humilis, the wild thistle, is a flowering plant in the genus Cynara, used locally as a coagulant in artisanal cheesemaking.

Bermuda grass

Cynodon dactylon (L.) Pers.

Cynodon dactylon is a widespread warm-climate cultivated grass with defined morphological, growth, and reported medicinal traits.

African Bermudagrass

Cynodon nlemfuensis Vanderyst

Cynodon nlemfuensis Vanderyst, African Bermuda-grass, is a stoloniferous, non-rhizomatous forage grass native to Tropical Africa excluding West Africa.

Chinese forget-me-not

Cynoglossum amabile Stapf & J.R.Drumm.

Cynoglossum amabile, Chinese forget-me-not, is an ornamental annual flowering plant native to Asia that contains toxic alkaloids.

Australian Hound's-tongue

Cynoglossum australe R.Br.

Cynoglossum australe (Australian hound's tongue) is an upright herb widespread across multiple regions of Australia.

blue hound's-tongue

Cynoglossum creticum Mill.

Cynoglossum creticum is a Mediterranean Boraginaceae plant invasive in parts of the US, commonly known as blue hound's tongue.

hound's-tongue

Cynoglossum officinale L.

Cynoglossum officinale L. (houndstongue) is a toxic, sometimes weedy flowering plant found in Europe and introduced North America.

Ceylon Forget Me Not

Cynoglossum zeylanicum (Vahl) Thunb. ex Lehm.

Cynoglossum zeylanicum, or Ceylon's hound's tongue, is a flowering plant native to wide areas of Asia and introduced to the Americas.

bay-leaved caper

Cynophalla flexuosa (L.) J.Presl

Cynophalla flexuosa, the bay-leaved caper, is a 2–4 m coastal shrub ranging from Florida to South America.

crested dogtail grass

Cynosurus cristatus L.

Cynosurus cristatus L. is a perennial grass used for grazing, straw plaiting, and rat control, and is a food source for certain butterflies. It is native to Eurasia and introduced to other regions.

bristly dogtail grass

Cynosurus echinatus L.

Cynosurus echinatus is an annual grass, native to southern Europe, introduced and sometimes weedy elsewhere.

Dwarf striped umbrella sedge

Cyperus albostriatus Schrad.

Cyperus albostriatus Schrad. is a sedge species native to the southern region of Africa.

Umbrella Papyrus

Cyperus alternifolius L.

Cyperus alternifolius is a popular grass-like ornamental sedge native to Africa, Madagascar, and the Arabian Peninsula.

Water Nutgrass

Cyperus aquatilis R.Br.

Cyperus aquatilis is a small annual flowering sedge native to Australia and New Guinea.

Aromatic Kyllinga

Cyperus aromaticus (Ridl.) Mattf. & Kük.

Cyperus aromaticus (aromatic kyllinga) is a aromatic-leaved perennial native to tropical Africa, introduced to parts of Asia and Australia.

Shining Flatsedge

Cyperus bipartitus Torr.

Cyperus bipartitus is an annual sedge native to the Americas, growing in wet habitats from Canada to northern Argentina.

Shortleaf Spikesedge

Cyperus brevifolius (Rottb.) Hassk.

Cyperus brevifolius is a rhizomatous perennial sedge native to tropical Americas that often acts as a wet-area weed worldwide.