Viscainoa is a genus of flowering plants belonging to the family Zygophyllaceae. It is in the subfamily Morkillioideae. It is endemic to north-western Mexico.
Known species: Viscainoa geniculata (Kellogg) Greene Viscainoa pinnata (I.M.Johnst.) Gentry
The genus name of Viscainoa is in honour of Sebastián Vizcaíno (1548 – c. 1625), a Spanish soldier, entrepreneur, explorer, and diplomat. It was first described and published in Pittonia Vol.1 on page 163 in 1888.
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