Plants

Cymbopogon

Cymbopogon (lemongrass): overview, characteristics, uses and notable species

Cynanchum laeve

Cynanchum laeve (Honeyvine Milkweed) — description, habitat, and notes

Cyperaceae

Cyperaceae (Sedges): overview, identification, diversity, ecology and uses

Cyperus papyrus

Cyperus papyrus — the papyrus sedge and its historical uses

Cypress

Cypripedioideae

Cypripedium reginae

Cypripedium reginae (Showy Lady's-slipper)

Cyprus cedar

Cyprus cedar (Cedrus brevifolia): description, habitat, and significance

Dahlia

Daisy

Damson

Damson (plum): characteristics, history and culinary uses

Dandelion

Dasypogonaceae

Date palm

Date palm (Phoenix dactylifera)

Datura stramonium

Dawn redwood

Daylily

Daylily (Hemerocallis): garden perennial and edible flower

Deadly nightshade

Deadly nightshade (Atropa belladonna): overview, characteristics, and uses

Deciduous

Deciduous: Meaning, plant behavior, teeth, and ecological importance

Defence against herbivory

Defoliant

Defoliant (leaf‑removing chemical agents)

Dendrobium

Dendrobium — overview of the large orchid genus

Dermatophyllum

Dianthus

Dianthus — carnations, pinks and Sweet William

Dianthus armeria

Dianthus superbus

Dianthus superbus (Large Pink): description, habitat, cultivation, and uses

Dicotyledon

Dicotyledon (dicot): historical group and modern understanding

Dieffenbachia

Dieffenbachia (dumb cane) — tropical ornamental houseplant

Digitalis

Dill

Dill (Anethum graveolens): description, cultivation, and culinary uses

Dioscoreales

Diospyros

Diospyros: ebony and persimmon trees — overview, characteristics and uses

Dipsacaceae

Dipsacaceae (teasel family): overview, characteristics and taxonomy

Dipsacus fullonum

Dipsacus fullonum (Fuller's Teasel)

Division (botany)

Division (botany): the taxonomic rank equivalent to phylum

Dodder

Dracaena (plant)

Dracaena — overview, species, cultivation and uses

Dracaena sanderiana

Dracaena sanderiana (Lucky Bamboo): description, cultivation, and uses

Dracophyllum

Dracunculus

Dracunculus (dragon arum): appearance, range, and cultivation

Drimys winteri

Drimys winteri — Winter's bark (canelo): description, ecology and uses

Drosera

Drosera (sundews): sticky-leaved carnivorous plants

Droseraceae

Droseraceae — the sundew family of carnivorous flowering plants

Dryadoideae

Dryas (plant)

Dryas (plant): arctic–alpine mat-forming shrubs

Duckweed

Duma (genus)

Duma (plant genus)

Duma florulenta

Duma florulenta — tangled lignum, an Australian floodplain shrub