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 10,897–10,920
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 | Psychotria st-johniiName author: FosbergAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria steiniiName author: Steyerm.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stenanthaName author: A.C.Sm.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stenocalyxName author: Müll.Arg.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stenostegiaName author: O.LachenaudAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stevedarwinianaName author: W.N.TakeuchiAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stevensianaName author: SohmerAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stigmatophyllaName author: K.Schum.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria stoloniferaName author: W.N.TakeuchiAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria storckiiName author: Seem.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria streimanniiName author: SohmerAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria strictaName author: K.Schum.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria strigosaName author: Müll.Arg.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria striolataName author: K.KrauseAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria suarezensisName author: A.P.Davis & GovaertsAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subacuminalisName author: Müll.Arg.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subalpinaName author: ElmerAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subcapitataName author: Bremek.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subcaudataName author: ValetonAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subcordataName author: BrittonAccepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subcucullataName author: Merr.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subglabraName author: De Wild.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria subintegraName author: (Wight & Arn.) Hook.f.Accepted species | RubiaceaePsychotria genus | No guide yet |
| No photo yet | Psychotria sublyrataName author: O.LachenaudAccepted species | RubiaceaePsychotria 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.