Petalonyx linearis

Greene

Bull. Calif. Acad. Sci. 1: 188. 1885.

Common names: Narrow-leaf sandpaper plant
Treatment appears in FNA Volume 12. Treatment on page 544.

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.


Phenology: Flowering Mar–Jun.
Habitat: Sandy and gravelly canyon and arroyo bottoms, creosote bush scrub.
Elevation: 20–1000 m.

Distribution

V12 482-distribution-map.jpg

Ariz., Calif., Mexico (Baja California), Mexico (Sonora)

Discussion

Petalonyx linearis is found in the Sonoran Desert.

Selected References

None.

Lower Taxa

None.

"not elongating" is not a number.

... more about "Petalonyx linearis"
monomorphic +
filiform +
rounded +  and acute +
Larry Hufford +
Greene +
0 cm0 mm <br />0 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
falcate +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
distinct +
Narrow-leaf sandpaper plant +
Ariz. +, Calif. +, Mexico (Baja California) +  and Mexico (Sonora) +
20–1000 m. +
Sandy and gravelly canyon and arroyo bottoms, creosote bush scrub. +
free +  and adnate +
entire +, crenate +  and serrate +
apical +, subapical +  and inferior +
inconspicuous +
connate +  and distinct +
spreading +  and erect +
hairy +  and glabrous +
spatulate +
5 cm50 mm <br />0.05 m <br /> (?) +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering Mar–Jun. +
pseudomonomerous +
Bull. Calif. Acad. Sci. +
10 cm100 mm <br />0.1 m <br /> (38 cm380 mm <br />0.38 m <br />) +
persistent +
lanceolate +
adnate +, free +  and distinct +
spreading +  and erect +
papillate +
2-lobed +  and lingulate +
Petalonyx linearis +
Petalonyx +
species +
dendritic +  and unbranched +
notched +  and pointed +
evergreen +, perennial +, biennial +  and annual +
subshrub +  and bushy +