Mentzelia involucrata S. Wats.  
Family: Loasaceae
whitebract blazingstar,  more...
Mentzelia involucrata image
Patrick Alexander  
Plant: annual herb; 2.5-35 cm tall Leaves: 2.5-16 cm long, 0.4-5 cm wide, sessile, lanceolate to elliptic; margins dentate or lobed to pinnatifid; upper leaves with a broad to markedly clasping base. BRACTS 2-several, ovate to elliptic, scarious with green margins, obscuring ovary INFLORESCENCE: cymose Flowers: pedicellate; petals light yellow to cream, each with a horizontal orange band at base, 1-4.5 cm long, 0.5-2 cm wide; staminodia 0; stamens ca. 100, the outer filaments broadened and 3-toothed at apex; styles 10-20 mm long; papillae of stigmas not conspicuous Fruit: capsules cylindric, 1-3 cm long, erect. SEEDS horizontal, not winged, subrectangular, flattened, tapered at hilum end but not constricted; testa cells with straight adjoining walls, the surface walls mostly smooth Misc: Roadsides, rocky slopes, washes; 250-900 m (700-2900 ft); Feb-May References: C. Christy - Loasaceae - JANAS 30:96-111.ASU Specimens.
Mentzelia involucrata image
Patrick Alexander  
Mentzelia involucrata image
Frankie Coburn  
Mentzelia involucrata image
Frankie Coburn  
Mentzelia involucrata image
Liz Makings  
Mentzelia involucrata image
Liz Makings  
Mentzelia involucrata image
Liz Makings  
Mentzelia involucrata image
Sue Carnahan  
Mentzelia involucrata image
Liz Makings  
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
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Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image
Mentzelia involucrata image