Eastern Mojave Vegetation Mix of staminate and pistillate flowers in inflorescence of Ambrosia dumosa  
 

 

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  Asteraceae Ambrosia dumosa
Scanned 1 October 2017.

Coll. No. 1571, 18 April 2017, characters observed: Perennial shrub, to 40 cm.; Stem, woody, densely short strigose when young; Leaves, petiole 10 mm., blade 16 mm × 13 mm. wide, pinnately lobed, short strigose; Phyllaries (staminate flowers), fused at base, in 1 series, #7, eglandular, tip acute; Flowers, 2 kinds in different heads, staminate flowers, #15, pistilate flowers, #2; Pappus, 0; Style, 2-branched, fused(?); Fruit, bur, 6 mm. × 6 mm. wide, ±spheric, spines, #15, 2 mm.

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Other photos about Species - Asteraceae or Ambrosia dumosa.

 


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Date and time this page was prepared: 8/11/2018 2:31:45 PM