Lactuca acanthifolia

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Lactuca acanthifolia
Systematics
Order : Astern-like (Asterales)
Family : Daisy family (Asteraceae)
Subfamily : Cichorioideae
Tribe : Cichorieae
Genre : Lettuce ( Lactuca )
Type : Lactuca acanthifolia
Scientific name
Lactuca acanthifolia
( Willd. ) Boiss.

Lactuca acanthifolia is a plant from the genus lettuce ( Lactuca ) within the family of Compositae (Asteraceae). A synonym is Scariola acanthifolia (Willd.) Soják .

features

Lactuca acanthifolia is a perennial stem hemicryptophyte that reaches heights of 30 to 100 centimeters. The stem is strong and fleshy. In its leaf axils it is spider-like and woolly. The stem leaves are short falling. The lower leaves are large, more or less pinnate and petiolate. On the underside of the midrib, they are spider-like and woolly. The cups are arranged individually or a few sitting on rod-shaped branches. The fruits are 9 to 10.5 millimeters in size and matt yellowish-brown.

The flowering period extends from July to September.

The number of chromosomes is 2n = 18.

Occurrence

Lactuca acanthifolia occurs in the southern Aegean, in Crete, Turkey and Greece. The species grows on shady limestone walls. In Crete it is found at altitudes from 0 to 800 meters.

supporting documents

  1. ↑ a b Werner Greuter (2006-2009): Lactuca acanthifolia . - In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae . Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
  2. ↑ a b c Ralf Jahn, Peter Schönfelder: Excursion flora for Crete . With contributions by Alfred Mayer and Martin Scheuerer. Eugen Ulmer, Stuttgart (Hohenheim) 1995, ISBN 3-8001-3478-0 , p. 337 .
  3. ^ Tropicos. [1]