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.
1,190 species · RhododendronShowing 913–936
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 subcrenulatumName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subenerveName author: P.C.TamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subestipitatumName author: Chun ex P.C.TamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subflumineumName author: P.C.TamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subroseumName author: Xiang Chen & Jia Y.HuangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subsessileName author: RendleAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subulatumName author: (Nakai) HarmajaAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subuliferumName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron subulosumName author: J.J.Sm. ex SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron succothiiName author: DavidianAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron sugauiName author: ArgentAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron sulfureumName author: Franch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron sumatranumName author: Merr.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron suoilenhenseName author: D.F.Chamb., N.T.T.Huong & RushforthAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron superbumName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron supranubiumName author: Hutch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron sutchuenenseName author: Franch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron syringoideumName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taggianumName author: Hutch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taibaienseName author: Ching & H.P.YangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taienseName author: Hutch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taipaoenseName author: T.C.Wu & P.C.TamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taishunenseName author: B.Y.Ding & Y.Y.FangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron taitungalpinumName author: S.S.YingAccepted 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.