Not an accepted name (status: unknown). The accepted name is Rhododendron latoucheae var. latoucheae.

Rhododendron leptanthum F.Muell., 1889 2% complete

No common name

Trans. Roy. Soc. Victoria, n.s., 1(2): 24 (1889)

There is no corrections for Rhododendron leptanthum yet.