Seidenfadenia and another orchid genus, Gunnarella, are named for Danish botanist Gunnar Seidenfaden.

[3] At present (June 2014), there is only one known species, Seidenfadenia mitrata, native to Thailand and to Myanmar (Burma).

The leaves are slender and succulent and reach lengths of up to 30 cm.

The inflorescences are erect racemes or panicles with 17 to 52 pink or white flowers (average of 30).

The most common flower morph shows pink colouration of the labellum and anther cap.