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 361–384
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 habrotrichumName author: Balf.f. & W.W.Sm.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron haematodesName author: Franch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron haematophthalmumName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hainanenseName author: Merr.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hameliiflorumName author: WernhamAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hanceanumName author: Hemsl.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hancockiiName author: Hemsl.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hangzhouenseName author: W.P.Fang & M.Y.HeAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron haofuiName author: Chun & W.P.FangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hartleyiName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hatamenseName author: Becc.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron heatheraeName author: RushforthAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron heizhugouenseName author: M.Y.He & L.C.HuAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron heliolepisName author: Franch.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hellwigiiName author: Warb.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron helodesName author: SleumerAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hemitrichotumName author: Balf.f. & ForrestAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron hemsleyanumName author: E.H.WilsonAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron henanenseName author: W.P.FangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron henryiName author: HanceAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron herzogiiName author: Warb.Accepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron heteroclitumName author: H.P.YangAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron heterolepisName author: DanetAccepted species | EricaceaeRhododendron genus | No guide yet |
| No photo yet | Rhododendron himantodesName author: SleumerAccepted 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.