Log In New Account Sitemap
  • Home
  • Specimen Search
    • Search Collections
    • Map Search
    • Exsiccati Search
  • Images
    • Image Browser
    • Search Images
  • Flora Projects
    • Arizona
    • New Mexico
    • Colorado Plateau
    • Plant Atlas of Arizona (PAPAZ)
    • Sonoran Desert
    • Teaching Checklists
  • Agency Floras
    • NPS - Intermountain
    • USFWS - Region 2
    • BLM Flora
    • Coronado NF
  • Dynamic Floras
    • Dynamic Checklist
    • Dynamic Key
  • Additional Websites
    • New Mexico Flores
    • Plant Atlas Project of Arizona (PAPAZ)
    • Southwest Colorado Wildflowers
    • Vascular Plants of the Gila Wilderness
    • Consortium of Midwest Herbaria
    • Consortium of Southern Rocky Mountain Herbaria
    • Intermountain Region Herbaria Network (IRHN)
    • Mid-Atlantic Herbaria
    • North American Network of Small Herbaria (NANSH)
    • Northern Great Plains Herbaria
    • Red de Herbarios del Noroeste de México (northern Mexico)
    • SERNEC - Southeastern USA
    • Texas Oklahoma Regional Consortium of Herbaria (TORCH)
  • Resources
    • Symbiota Docs
    • Video Tutorials
    • Collections in SEINet
    • Joining a Portal
Mentzelia oreophila J. Darl.  
Family: Loasaceae
Argus Blazingstar
Mentzelia oreophila image
  • VPAP
  • Resources
JANAS 30(2)
PLANTS: Perennials. STEMS: to 45 cm tall, producing branches along their entire length. LEAVES: to 13 cm long, to 3 cm wide, sessile, obovate or oblanceolate to elliptic and broadly lanceolate; margins toothed to lobed, or entire if plants are not rapidly growing; upper leaves tapering to slightly broadened or sometimes slightly clasping bases, often also with clasping basal lobes. FLOWERS: pedicillate, subtended by 1 linear-lanceolate, entire or few-toothed bract; petals yellow, (6-)8-15 mm long, (2-)4-6 mm wide, with trichomes at apex only; staminodia 0-5, slightly to definitely smaller than petals; stamens with broad filaments common in 2-3 whorls; style 4-10 mm long; stigmatic papillae forming a slight tuft. CAPSULES: cylindric, sometimes broadly so, 6-12 mm long. SEEDS: horizontal, winged, oval to obovate, flattened; testa cells with straight to slightly wavy adjoining walls, the surface walls with ca. 5-10 bumps. 2n = 20. NOTES: Commonly on rock outcrops, talus of canyon walls (Map 4B): La Paz (-), Maricopa, Mohave, Pima, Pinal, Yuma cos.; 100-1100 m (400-3600 ft); Mar-Oct (-Dec); s CA, s NV; Baja C, Mex. These plants become broadly hemispheric in age and when growing rapidly have broad leaves with relatively short internodes, giving the plant a very leafy appearance. REFERENCES: Christy, Charlotte M. 1998. Loasaceae. J. Ariz. - Nev. Acad. Sci. 30(2): 96.
Mentzelia oreophila
Open Interactive Map
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
. Eastern Nevada Landscape Coalition
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Mentzelia oreophila image
Click to Display
100 Initial Images
- - - - -
View All Images
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
Powered by Symbiota