Thurber Sandpaper Plant

Scientific Name: Petalonyx Thurberi Subsp. Thurberi
Common Name: Thurber Sandpaper Plant
References: Felger, R.S. and S. Rutman. 2015. Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 15. Eudicots: Fagaceae to Lythraceae. Phytoneuron 2015-59: 1-53. Published 20 Oct 2015. ISSN 2153 733X
References Url: https://www.cabezaprieta.org/flora_research/59PhytoN-SWAriz_Pt15FagLyth.pdf#page=47
Habitat: Washes
Life Form: Shrub, medium
Leaf Description: Alternate simple rough leaves
Flower Color: White or whitish
Flowering Period: Apr. to Oct.
Spines: Spineless
Rarity: Rare
Family: Loasaceae (stick leaf family)