cover image: Rhododendrons International - Volume 6, 2021, Part 1

20.500.12592/vmxjnc

Rhododendrons International - Volume 6, 2021, Part 1

9 Apr 2021

Rhododendron subgenus Rhododendron has around 506 species, making it the largest of the now five subgenera, containing nearly half of all known species of Rhododendron and all of the lepidote species, the latter having scales on the underside of their leaves. [...] Cladistics is the systematic classification of groups of organisms into clades on the basis of shared characteristics thought to derive from a common ancestor, and here is a brief review of the taxonomic relationships of this subsection in the genus Rhododendron (Nelson 2021): Genus Rhododendron Clade A Subgenus Rhododendron: Small leaf or lepidotes (have scales on the underside of their leaves). [...] The triflorums certainly add a graceful lightness to our gardens, and I think our gardens would be much the poorer without them.” The species in subsection Triflora have been organised in a number of ways in the literature, with Cox and Cox (1997) dividing them into two fairly distinct alliances: the purple and yellow species and the pink and white ones. [...] ‘Pentland’ is one of the finest and most easily grown cultivars of this species in cultivation, and won an Award of Merit (AM) in 1990, having the darkest purple flowers of any form of the species. [...] It is one of the hardiest of the Trifloras and is a floriferous, adaptable and vigorous species that forms a large and bushy upright shrub—perfect with R.
Pages
102
Published in
United States of America