Launaea intybacea
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
Introduced; Fla., Tex., Mexico, West Indies, Central America, South America, 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.
"fine" is not a number.
... more about "Launaea intybacea"
tailed +
introrse +
connate +
acute;acuminate +
scarious +
developed +
absent +
hirsute +
papillate +
persistent +
falling +
continuous +
auriculate +
4-5-ribbed +
absent +
lobed;oblanceolate +
winged +
ribbed +
1;15 +
filiform +
stigmatic +
barbellate +
coarse +
absent +
Wild-lettuce +
monomorphic +
4mm;5mm +
straight +
glabrous +
distinct +
ligulate +
proximal +
25;30 +
bisexual +
dispersed +
coiled +
white +
outer +
60;100 +
crisped +
subsessile +
singly +
indeterminate +
homogamous +
Present +
true +
surrounding +
cylindric +
alternate +
lobed +
prickly +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
white +
persistent +
falling +
coarser +
bracteolate +
inflated +
tough +
thick +
connate +
persistent +
unequal +
equal +
Bull. Soc. Bot. Genève, sér. +
1910 +
epaleate +
flat;convex +
muricate +
fibrous +
exalbuminous +
modifed +
2;3 +
alternate +
branched +
erect +
glabrous +
2-branched +
hirsute +
papillate +
Launaea intybacea +
Launaea +
species +
spinulo-denticulate +
taprooted +