• NSF NEON | Open Data to Understand our Ecosystems
  • Biorepository Data Portal

  • Home
  • Search
    • Sample search
    • Map search
    • Dynamic Species List
    • Taxonomic Explorer
  • Images
    • Image Browser
    • Image Search
  • Datasets
    • Research Datasets and Special Collections
    • Checklist: Research Sites - Invertebrates
    • Checklist: Research Sites - Plants
    • Checklist: Research Sites - Vertebrates
  • Sample Use
    • Sample Use Policy
    • Sample Request
    • Sample Archival Request
    • Data Usage Policy
  • Additional Information
    • Tutorials and Help
    • Biorepository Staff
    • About NEON
    • NEON Data Portal
    • ASU Biocollections
    • About Symbiota
  • Getting Started
Login New Account Sitemap
Mentzelia obscura H.J. Thompson & Joyce Roberts  

No occurrences found

Family: Loasaceae
Pacific blazingstar
Images
not available
  • VPAP
  • Resources
JANAS 30(2)
Plant: annual herb; to 30 cm tall Leaves: to 8 cm long, sessile, elliptic to lanceolate; margins entire or those of the basal leaves lobed. BRACTS lanceolate to ovate, green, occasionally with whitish bases, mostly not on the ovary; margins mostly entire or few-toothed INFLORESCENCE: cymose Flowers: sessile; petals yellow, 2.5-6 mm long, 1.5-3.5 mm wide; staminodia 0; stamens ca. 15-30, all with linear filaments; style 2-4 mm long Fruit: capsules clavate, long-tapering to base; base not woody; body 11-22 mm long, the earliest S-shaped or arching at least 90 degrees. SEEDS pendulous, not winged, those in upper half of capsule grain-like, several-faceted, irregular in cross-section, the angles rounded; testa cells with straight adjoining walls, the surface walls domed Misc: Deserts; 150-1350 m (500-4500 ft); Feb-May REFERENCES: Christy, Charlotte M. 1998. Loasaceae. J. Ariz. - Nev. Acad. Sci. 30(2): 96.
Click to Display
0 Total Images
NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.