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

 

Home Page
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.

Article records that use this photograph:

Other photos about Species - Asteraceae or Lactuca virosa.

 

[Home Page]

Date and time this page was prepared: 11/3/2024 5:39:36 PM