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.
5,145 species in EricaceaeShowing 3,865–3,888
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 | Rhododendron tsusiophyllumName author: Sugim.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tubaName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tuberculiferumName author: J.J.Sm.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tubiformeName author: (Cowan & Davidian) DavidianAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tubulosumName author: Ching ex W.Y.WangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tuhanenseName author: Argent & T.J.BarkmanAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tutcheraeName author: Hemsl. & E.H.WilsonAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron tyaihyoniiName author: S.Sakag., H.J.Choi & S.C.KimAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron ultimumName author: WernhamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron unciferumName author: P.C.TamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron ungeonticumName author: A.P.Khokhr. & MazurenkoAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron ungerniiName author: Trautv. ex RegelAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron uniflorumName author: Hutch. & Kingdon-WardAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron urophyllumName author: W.P.FangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron uvariifoliumName author: DielsAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron uwaenseName author: H.Hara & T.YamanakaAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vaccinioidesName author: Hook.f.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron valentinianumName author: Forrest ex Hutch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vanderbiltianumName author: Merr.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vaniotiiName author: H.Lév.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vanvuureniiName author: J.J.Sm.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vaseyiName author: A.GrayAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron veitchianumName author: Hook.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron vellereumName author: Hutch. ex TaggAccepted species | EricaceaeRhododendron 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.