Eastern Mojave Vegetation Adaxial surface of cauline leaf, Coll. No. 1036, Lactuca virosa  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Asteraceae Lactuca virosa
Scanned 29 Dec 2014.

Coll. No. 1036, 31 August 2013, characters observed while keying: Herbaceous annual or biennial to 1.5 m.; Sap copious milky; Leaves cauline widely clasping; Head with only ray flowers (liguliflorus); Receptacle epaleate; Pappus of bristles, smooth; Corolla yellow; Fruit ±compressed, beaked, slender, 5 ribs per face, wing-margined.

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Other photos about Species - Asteraceae or Lactuca virosa.

 

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Date and time this page was prepared: 12/8/2024 2:15:52 PM