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Petalonyx thurberi

Gray

Common Sandpaper-plant

G5Secure Found in 6 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.149663

Element CodePDLOA04040

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderViolales

FamilyLoasaceae

GenusPetalonyx

Other Common Names

Thurber's sandpaper plant (EN) Thurber's Sandpaper-plant (EN)

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Review Date1990-01-16

Change Date1990-01-16

Edition Date1989-01-18

Edition AuthorsRusso, Mary (TNC WRO)

Rank Reasons

Data primarily/exclusively from Munz, 1973, Calif. Flora

Ecology & Habitat

Diagnostic Characteristics

"Petals 1/8 to 1/4 inch long; leaves lanceolate to deltoid-ovate; bracts not markedly cordate at the bases; herbage with short, rigid, sharp hairs, these sometimes concealed by longer soft hairs." (Benson and Darrow, 1981)

Terrestrial Habitats

DesertSand/dune

Other Nations (1)

United StatesNNR

Province	Rank	Native
Arizona	SNR	Yes
California	SNR	Yes
Nevada	SNR	Yes

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (6)

Arizona (2)

Area	Forest	Acres
Catalina St. Pk. Roadless Area	Coronado National Forest	951
Middle Romero WSR	Coronado National Forest	60

California (4)

Area	Forest	Acres
Deep Creek	San Bernardino National Forest	23,869
Heartbreak Ridge	San Bernardino National Forest	4,455
Magic Mountain	Angeles National Forest	15,542
Red Mountain	Angeles National Forest	8,034

References (6)

Abrams, L. 1951. Illustrated flora of the Pacific states: Washington, Oregon, and California. Vol. 3. Geraniaceae to Scrophulariaceae. Stanford Univ. Press, Stanford, California. 866 pp.
Benson, L., and R.A. Darrow. 1981. Trees and shrubs of the southwestern deserts. Univ. Arizona Press, Tucson. 411 pp. + plates.
Flora of North America Editorial Committee (FNA). 2016. Flora of North America north of Mexico. Vol. 12. Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York. xxiv + 603 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
Smith, J.P., and K. Berg. 1988. California native plant society's inventory of rare and endangered vascular plants of California. 4th edition. California Native Plant Society, Sacramento. 168 pp.