Compilation
Lactuca intybacea

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Name

Identification
Lactuca intybacea Jacq. [family ASTERACEAE ] (stored under name); Launaea intybacea (Jacq.) Beauverd [family ASTERACEAE ]
Related name
  • Sonchus minor
  • Lactuca intybacea
  • Launaea intybacea
  • Sonchus paniculatus
Common name
  • Wild-lettuce, Flora of North America Vol. 19

Flora

Entry for Launaea intybacea (Jacquin) Beauverd [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 19,
Names
Launaea intybacea (Jacquin) Beauverd [family COMPOSITAE], Bull. Soc. Bot. Genève, sér., 2, 2: 114. 1910
Lactuca intybacea Jacquin [family COMPOSITAE], in J. A. Murray, Syst. Veg. ed., 14, 713. 1784
Brachyramphus intybacea (Jacquin) de Candolle [family ]
Treatment Author(s)
R. David Whetstone
Kristin R. Brodeur
Information
Leaves (5–)10–25+ × 2–6(–12) cm, usually runcinately to sinuately lobed, bases ± auri-culate, ultimate margins spinulo-denticulate, apices acute to acuminate. Involucres 10–15 mm. Cypselae 4–5 mm; pappi 6–9 mm. 2n = 18 (as Lactuca runcinata).
Altitude range
0–5[–1200+] m;
Distribution
MexicoWest IndiesCentral AmericaSouth Americaintroduced also in Old World.USA Fla.USA Tex.
Discussion
Launaea intybacea is occasionally used for food. It is a very successful r-strategist and is listed as a noxious plant in A Global Compendium of Weeds (R. Randall, http://www.hear.org/gcw/index.html).
Native/Introduced
introduced;

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