Launaea intybacea

(Jacquin) Beauverd

Bull. Soc. Bot. Genève, sér. 2, 2: 114. 1910.

Common names: Wild-lettuce
IntroducedIllustrated
Basionym: Lactuca intybacea Jacquin in J. A. Murray, Syst. Veg. ed. 14, 713. 1784
Synonyms: Brachyramphus intybacea (Jacquin) de Candolle
Treatment appears in FNA Volume 19. Treatment on page 272.

Leaves (5–)10–25+ × 2–6(–12) cm, usually runcinately to sinuately lobed, bases ± auriculate, 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).


Phenology: Flowering year-round.
Habitat: Disturbed sites, roadsides, coastal strands, agricultural lands
Elevation: 0–5[–1200+] m

Distribution

V19-374-distribution-map.gif

Introduced; Fla., Tex., Mexico, West Indies, Central America, South America, introduced also in Old World.

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).

Selected References

None.

Lower Taxa

None.
... more about "Launaea intybacea"
R. David Whetstone +  and Kristin R. Brodeur +
(Jacquin) Beauverd +
Lactuca intybacea +
Wild-lettuce +
Fla. +, Tex. +, Mexico +, West Indies +, Central America +, South America +  and introduced also in Old World. +
0–5[–1200+] m +
Disturbed sites, roadsides, coastal strands, agricultural lands +
Flowering year-round. +
Bull. Soc. Bot. Genève, sér. +
Introduced +  and Illustrated +
Brachyramphus intybacea +
Launaea intybacea +
species +