User:DavidAnstiss/Medranoa

Medranoa is a genus of flowering plants in the chamomile tribe within the daisy family. It is only found in Texas, USA, and northern Mexico.

Taxonomy
The genus name of Medranoa is in honour of Francisco González Medrano (1939–2017), Mexican botanist and lecturer at various Mexican Universities.

The genus was circumscribed by Urbatsch & R.P.Roberts in Sida vol.21 on page 254 in 2004.

The following three species of Xylothamia were found to be are related to each other and to Bigelowia and Thurovia.

Due to molecular evidence, these 3 species; Xylothamia pseudobaccharis, Xylothamia parrasana and Xylothamia purpusii were transferred to genus Medranoa in 2007; as M. pseudobaccharis, M. parrasana and M. purpusii, respectively. They joined an originally monotypic species.

Originally plants called Xylothamia johnstonii and Xylothamia palmeri in 1990. They were later moved to genus Neonesomia as N. johnstonii and N. palmeri in 2004. Then they were moved to Medranoa in 2007.

Species
There are 5 species accepted by Plants of the World Online;

They are found in the Chihuahuan Desert,

Pests
They can be affected by Galls, such as Asteromyia gutierreziae on Medranoa palmeri (Texas Desert Goldenrod).