Flora of North America species comparison

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Petalonyx linearis

long leaf sandpaper plant, narrow-leaf sandpaper plant
Habit Subshrubs, bushy, to 16 dm; branches of current season 10–38 cm.
Leaves

petiole 0–1 mm;

blade usually elliptic, sometimes falcate, without marked size dimorphism, to 42 × 5 mm, base acute, margins entire, apex rounded to acute.
Inflorescences

60-flowered.
Flowers

± radially symmetric;

petals spatulate, 5 mm, claws distinct;

stamens exserted distally (not laterally between petal claws).
2n

= 46.

Petalonyx linearis
Phenology Flowering Mar–Jun.
Habitat Sandy and gravelly canyon and arroyo bottoms, creosote bush scrub.
Elevation 20–1000 m. (100–3300 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Sonora)
[WildflowerSearch map]
[BONAP county map]
Discussion

Petalonyx linearis is found in the Sonoran Desert.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 544.
Parent taxa Loasaceae > Petalonyx
Sibling taxa
P. nitidus, P. parryi, P. thurberi
Name authority Greene: Bull. Calif. Acad. Sci. 1: 188. (1885)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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