The botanical directory
From familiar garden flowers to species you have yet to meet. Explore the flowering plant tree through accepted scientific names, botanical families, and synonyms.
- Accepted species
- 347,476
- Synonym names
- 710,971
- Botanical families
- 430
- Genera
- 13,895
Find a flower. Follow its family.
Search scientific names or try a familiar florist name, like rose or peony.
Scientific names and synonyms are searchable from two characters. Familiar florist names link to their broader genus; common names are not available for every species.
14,256 species in RubiaceaeShowing 5,713–5,736
Clear filtersPhotos show the identified species; cultivars and commercial forms can vary. Related genus guides cover other plants in the same group. Name authors credit the botanists behind a scientific name; “L.” stands for Carl Linnaeus. Swipe across the table to see family and guide links.
| Photo | Species | Family & genus | Flower guides |
|---|---|---|---|
| No photo yet | Knoxia plantagineaName author: Wall.Accepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia platycarpaName author: Arn.Accepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia rosettifoliaName author: E.T.GeddesAccepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia roxburghiiName author: (Spreng.) M.A.RauAccepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia spicataName author: (Thwaites ex Trimen) RidsdaleAccepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia sumatrensisName author: (Retz.) DC.Accepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia wightianaName author: Wall. ex Wight & Arn.Accepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Knoxia zeylanicaName author: Carl Linnaeus (L.)Accepted species | RubiaceaeKnoxia genus | No guide yet |
| No photo yet | Kochummenia parvifloraName author: K.M.WongAccepted species | RubiaceaeKochummenia genus | No guide yet |
| No photo yet | Kochummenia stenopetalaName author: (King & Gamble) K.M.WongAccepted species | RubiaceaeKochummenia genus | No guide yet |
| No photo yet | Kochummenia terengganuensisName author: K.M.WongAccepted species | RubiaceaeKochummenia genus | No guide yet |
| No photo yet | Kohautia amatymbicaName author: Eckl. & Zeyh.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia angolensisName author: Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia attenuataName author: (Willd.) I.M.TurnerAccepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia australiensisName author: HalfordAccepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia azureaName author: (Dinter & K.Krause) Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia caespitosaName author: Schnizl.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia coccineaName author: RoyleAccepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia confusaName author: (Hutch. & Dalziel) Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia cynanchicaName author: DC.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia dolichostylaName author: Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia euryanthaName author: Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia gracilisName author: (Wall.) DC.Accepted species | RubiaceaeKohautia genus | No guide yet |
| No photo yet | Kohautia gracillimaName author: Bremek.Accepted species | RubiaceaeKohautia genus | No guide yet |
A living reference.
A documented starting point.
Taxonomy changes as plants are studied. This directory preserves the accepted names and synonym relationships in a specific World Flora Online release, so you can trace every entry to its source.
View the June 2026 source datasetWhat is included?
All 347,476 accepted species classified under Angiosperms in this snapshot, plus 710,971 names treated as synonyms of those species. Flowering trees, grasses, and other less familiar flowering plants belong here too.
Is this every flower that has ever existed?
No complete list of every historical or undiscovered species exists. This collection excludes unresolved names, subspecies and varieties as separate records, non-flowering plants, and most cultivated forms. It is not a complete fossil or cultivar register.
Can I order these flowers?
A botanical record does not establish cut-flower availability or suitability for an arrangement. Our 1230 florist guides cover commercial flowers, specialty garden cuts, and foliage, with design notes, photos, and calculator links. Calculator selection uses that florist collection; other ingredients can be entered as custom items.
Taxonomy: World Flora Online Consortium · CC0 public domain · Published June 21, 2026. Photographs and editorial florist guides have separate credits.