Azalea Flower Vs Rhododendron. Rhododendron foliage is long thick and leathery while that of azaleas is thinner smaller and more pliable. Viscosum raised at Highclere and figured in Bot.
In relation to Azaleas Rhododendrons have larger leaves and their flowers are bell shaped while Azalea flowers are funnel-shaped. Maybe sometime in the future RA News may be able to share drawings and illustration. The flowers are tubular- funnel- or bell-shapedand often fragrant.
Azaleas are flowering shrubs that belong to the rhododendron genus.
Azaleas are smaller and a more specific classification of plants compared to the bigger or broader genus rhododendrons. Instead of having hair most Rhododendrons are often scaly or have dots underneath the leaves. The leaves of the smaller azalea are usually pointed and narrow. Rhododendron flowers tend to be bell-shaped.