Mentzelia aspera L.  
Family: Loasaceae
tropical blazingstar,  more...
Mentzelia aspera image
Arizona State University Herbarium  
Plant: Annual herb; 20-75 cm tall Leaves: 8-18 cm long, 4-8 cm wide; petiole 1.5-6.5 cm long; blade ovate, often broadly so, with two large teeth near base; uppermost leaves sublanceolate INFLORESCENCE: cymose Flowers: sessile; calyx usually deciduous; petals orange, 6-10 mm long, 5 mm wide, with trichomes at apex only; staminodia 0; outer stamens with slightly broadened filaments; style ca. 3 mm long Fruit: capsules, clavate, long-tapering to base, erect; body 2.4-3 cm long. SEEDS 5-6, pendulous, not winged, blocky in outline except for the protruding hilum end; testa cells elongate, the surface striate Misc: Rocky slopes; 1050-1850 m (3500-6000 ft); Aug-Sep REFERENCES: Christy, Charlotte M. 1998. Loasaceae. J. Ariz. – Nev. Acad. Sci. 30(2): 96.
Mentzelia aspera image
Arizona State University Herbarium  
Mentzelia aspera image
Mentzelia aspera image
Arizona State University Herbarium  
Mentzelia aspera image
Arizona State University Herbarium  
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