Plants in Sweden: Prickly Lettuce

Lactuca serriola, SE: Taggsallat, DE: Kompaß-Lattich,
NL: Kompassla, UK: Prickly Lettuce

Scientific name:  Lactuca scariola L.
Swedish name:  Taggsallat
German name:  Kompaß-Lattich
Nederlandse naam:  Kompassla
English name:   Prickly Lettuce
Plant Family:  Compositae / Asteraceae, Sunflower family, Korgblommiga växter

Sweden Flowers, Ragunda, Hammarstrand, Bloemen in Zweden - Vilda blommor i Sverige

Life form:  annual or biennial plant
Stems:  Light green or dull white, glabrous, and round in circumference.
Leaves:  Alternate, lobed, prickly
Flowers:  Resembles a cone, approximately 10 mm wide and composed of 5 to 12 yellow toothed petals.
Flowering Period:  July-August
Fruits:  Grey or light brown achene with a thread-like beak that terminates in a small tuft of white hair. This beak is white and about the same length as the achene, or slightly longer
Habitat:  A weed of nurseries, orchards, roadsides

Sweden, Nature, Hammarstrand, Travel, Ragunda, Flowers


Derivation of the botanical name:
Lactuca, lac, "milk", referring to its milky juice of the plant.
serriola,serro, "saw" for the saw-tooth like edges to the leaves.

Lactuca serriola has leaves with prickles along the margins and on the midveins of the lower leaf surfaces and all parts of the plants emit a milky sap when cut.
  • The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.

Zweden, Bloemen, Natuur, Reizen