Dendrobium alexandrae (Cultivated- USA)

Dendrobium alexandrae Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1: 493 1912. (syn: Latourea alexandrae (Schltr.) Brieger [Invalid]; Latourorchis alexandrae (Schltr.) Brieger; Sayeria alexandrae (Schltr.) Rauschert);

New Guinea as per Catalogue of Life;

Orchids seen at the Conservatory in ABG during my visit in October, 2018.
I cannot see the front of the labellum. This is a Dendrobium section Latouria. Something similar to hybrid of Dendrobium alexandrae.
But cant confirm from these pics.
I could find more pictures.
Hope it is the same.
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I am still happy with the name Dendrobium alexandrae.