Petalonyx nitidus

S. Watson

Amer. Naturalist 7: 300. 1873.

Common names: Shiny-leaf sandpaper plant
IllustratedEndemic
Treatment appears in FNA Volume 12. Treatment on page 544.
Revision as of 17:20, 29 July 2020 by imported>Volume Importer
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Subshrubs or shrubs, bushy to moundlike, to 6 dm; branches of current season 11–37 cm. Leaves: petiole 1–4 mm; blade ovate, without marked size dimorphism, to 35 × 28 mm, base acute to obtuse, margins serrate to dentate, apex acute. Inflorescences 10–30-flowered. Flowers slightly bilaterally symmetric through curvature along length of flower; petals spatulate, 6–11 mm, claws postgenitally distally coherent, forming slitted corolla-tube; stamens exserted laterally through slits between petal claws. 2n = 46.


Phenology: Flowering Mar–Aug.
Habitat: Sandy, gravelly, or rocky canyon slopes, arroyo bottoms, scrub.
Elevation: 400–2200 m.

Distribution

V12 360-distribution-map.jpg

Ariz., Calif., Nev., Utah.

Discussion

Lower Taxa

None.

"not elongating" is not a number.

... more about "Petalonyx nitidus"
monomorphic +
filiform +
Larry Hufford +
S. Watson +
acute +  and obtuse +
0 cm0 mm <br />0 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0 cm0 mm <br />0 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
coherent +
Shiny-leaf sandpaper plant +
Ariz. +, Calif. +, Nev. +  and Utah. +
400–2200 m. +
Sandy, gravelly, or rocky canyon slopes, arroyo bottoms, scrub. +
free +  and adnate +
entire +, crenate +  and serrate +
apical +, subapical +  and inferior +
inconspicuous +
connate +  and distinct +
spreading +  and erect +
hairy +  and glabrous +
spatulate +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering Mar–Aug. +
pseudomonomerous +
Amer. Naturalist +
hufford1989a +
11 cm110 mm <br />0.11 m <br /> (37 cm370 mm <br />0.37 m <br />) +
persistent +
lanceolate +
Illustrated +  and Endemic +
adnate +, free +  and distinct +
spreading +  and erect +
papillate +
2-lobed +  and lingulate +
Petalonyx nitidus +
Petalonyx +
species +
dendritic +  and unbranched +
notched +  and pointed +
evergreen +, perennial +, biennial +  and annual +
shrub +, bushy +  and subshrub +