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'Cistus × dansereaui' from the website Trees and Shrubs Online (treesandshrubsonline.
This nothospecies, published in 1980, describes the naturally occurring cross C. ladanifer × C. inflatus (syn. C. hirsutus). Bean referred to this cross under the invalid name Cistus × lusitanicus, and included in it a plant now understood to have different parentage, referred to Cistus × stenophyllus (see that entry).
A hybrid between C. ladanifer and C. inflatus which has arisen in gardens and is also found wild in Portugal.
A form of C. ladanifer × C. inflatus was once grown under the erroneous name of “C. recognitus”, which is a synonym of C. × glaucus, a hybrid between C. laurifolius and C. monspeliensis [now given the name Cistus × ledon]. This cistus – now grown as typical ‘Cistus lusitanicus’ – is easily distinguished from [Bean’s ] ‘Decumbens’ [see the note to Cistus × stenophyllus] by the smaller and fainter blotch at the base of each petal. It also differs in its leaves, which are oblong-lanceolate, taper-pointed and lack the dull sheen which characterises the other cistus. Its habit, too, is more erect.