Petalonyx is a small genus of flowering plants native to the southwestern United States and northern Mexico. They are known commonly as sandpaper plants, and are most often found in warm, dry desert regions. Sandpaper plants are subshrubs that get their common name from their rough foliage, which is covered in tiny, stiffly curved hairs. They bear racemes of claw-shaped flowers with long stamens extending well beyond the corolla, and unusual in that they emerge from outside the corolla.[1]

Petalonyx
Petalonyx thurberi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Loasaceae
Genus: Petalonyx
Gray
Species

4-5 - see text

Species:

References

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  1. ^ A REVISION OF PETALONYX (LOASACEAE) WITH A CONSIDERATION OF AFFINITIES IN SUBFAMILY GRONOVIOIDEAEWilliam S. Davis and Henry J. ThompsonMadroñoVol. 19, No. 1 (JANUARY, 1967), pp. 1-18Published by: California Botanical SocietyStable URL: [1]
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