G
G
- Gaertnera
- Gagea
- Gahnia
- Gaillardia
- Galactites
- Galactodendron
- Galanthus (From gala milk and anthos)
- Galanthus (Species are confined to Europe)
- Galax
- Galaxia
- Galeandra (From galea a helmet and aner)
- Galeandra (To the species and varieties)
- Galega
- Galeola
- Galeopsis
- Galipea
- Galium
- Galls
- Galphimia
- Galtonia (Name commemorative of Francis)
- Galtonia (This genus now embraces three)
- Gansel's Bergamot
- Garcinia
- Garden
- Garuga
- Gasteria
- Gastonia
- Gastrodia
- Gastrolobium
- Gaudichaudia
- Gaultheria (Named in honour of Gaulthier)
- Gaultheria (To the species described on p)
- Gaura
- Gaylussacia
- Gazania
- Geaster
- Geissois
- Geissomeria
- Geissorhiza
- Gelsemium
- General Todleben
- Genipa
- Genista
- Gentiana
- Gentianeae
- Geodorum
- Geoffraea
- Geonoma
- Geraniaceae
- Geranium
- Gerardia
- Germination
- Gesnera
- Gesneraceae
- Gethyllis
- Geum
- Gilia
- Gilibertia
- Gillenia
- Gilliesia
- Gillyflower and Gillyflower
- Ginger
- Ginkgo
- Gipsy Moth
- Gladiolus
- Glass
- Glaucium
- Glaux
- Glazing
- Gleditschia
- Gleichenia (Named in honour of W F)
- Gleichenia (To the species described on pp)
- Globba (Native Molucca name SYN)
- Globba (To the species described on p)
- Globularia
- Gloriosa
- Glossodia
- Glossula
- Glou Morceau
- Gloxinia (Named in honour of Benj Petr)
- Gloxinia (To the species and hybrids)
- Glycine
- Glycosmis
- Glycyrrhiza
- Glyphaea
- Glyphosperma
- Gmelina
- Gnaphalium
- Gnidia
- Goat Moth
- Godoya
- Goethea
- Golden Hamburgh – Gynopogon
- Golden Pippin – Grosse Calebasse
- Gomphia
- Gomphocarpus
- Gompholobium
- Gomphrena
- Gongora (Named after D Antonio)
- Gongora (To the species described on p)
- Gonioscypha
- Gonocalyx
- Gonolobus
- Goodenia
- Goodenovieae
- Goodia
- Goodyera (Named in honour of John)
- Goodyera (SYNS Gonogona Peramium)
- Gooseberry
- Gooseberry and Currant Sawfly
- Gorteria
- Govenia
- Governor Wood
- Grafting Clay
- Grafting Wax
- Gramineae
- Grammangis
- Grammanthes
- Grammatocarpus
- Grammatophyllum (From grammata letters)
- Grammatophyllum (SYNS Gabertia Pattonia Flowers)
- Graptophyllum
- Gratiola
- Gravesia
- Greenhouse
- Greenhouse Bulbous Plants
- Greenup's Pippin
- Greigia
- Grevillea (Named in honour of C F)
- Grevillea (To the species described on pp)
- Grewia
- Grias
- Griffinia
- Grindelia
- Griselinia
- Grislea
- Grobya
- Gronovia
- Gros Colman
- Gros Guillaume
- Grosse Monstreuse de Lipari
- Grove End Sweetwater
- Grubs
- Guaiacum
- Guarea
- Guatteria
- Guazuma
- Guettarda
- Guevina
- Guichenotia
- Guilielma
- Gundelia
- Gunnera
- Gustavia
- Gutierrezia
- Guttiferae
- Guzmania
- Gymnema
- Gymnocladus
- Gymnogramme (From gymnos naked and gramma)
- Gymnogramme (To the species and varieties)
- Gymnolomia
- Gymnostachys
- Gymnostachyum
- Gynandropsis
- Gynerium
- Gynura
- Gypsophila