Elizabeth Twining
The Heath Tribe, Rhododendron, detail
1849
Tree Rhododendron
Sydenham Edwards
1815

Tree Rhododendron

Sydenham Edwards

1815

Flore des Serres
Rhododendron
1877

Flore des Serres

Rhododendron

1877

Margaret Neilson Armstrong
Rhododendron Flowers 
1911

Margaret Neilson Armstrong

Rhododendron Flowers

1911

Frederic Leighton
Study of Rhododendron
1850

Frederic Leighton

Study of Rhododendron

1850

Pierre Joseph Redouté
Rhododendron Ponticum
1801-19

Pierre Joseph Redouté

Rhododendron Ponticum

1801-19

L. Prang & Co.
Rhododendron
19th century

L. Prang & Co.

Rhododendron

19th century

Ferdinand Oldewelt
Rhododendron
Late 19th - early 20th century

Ferdinand Oldewelt

Rhododendron

Late 19th - early 20th century

Barbara van Houten
Hydrangea, Amaryllis and Rhododendrons
Late 19th - early 20th century

Barbara van Houten

Hydrangea, Amaryllis and Rhododendrons

Late 19th - early 20th century

F.G.W. Oldewelt
Rhododendron
Late 19th - early 20th century

F.G.W. Oldewelt

Rhododendron

Late 19th - early 20th century

Robert John Thornton
The Pontic Rhododendron 
1807

Robert John Thornton

The Pontic Rhododendron

1807