Lactuca muralis

Lactuca muralis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Lactuca
Species:
L. muralis
Binomial name
Lactuca muralis
(L.) Gaertn. 1791 not Fresen. 1832
Synonyms
List
    • Chondrilla erysimifolia Poir.
    • Chondrilla muralis (L.) Lam.
    • Chondrilla ruderalis Gaertn. ex Steud.
    • Cicerbita muralis (L.) Wallr.
    • Cicerbita muralis subsp. gaditana Mejías
    • Hieracium mycelis E.H.L.Krause
    • Hieracium pauciflorum Bernh.
    • Lactuca atlantica Pomel
    • Lactuca erysimifolia DC.
    • Lapsana erysimifolia Thell.
    • Mycelis angulosa Cass.
    • Mycelis muralis (L.) Dumort.
    • Mycelis muralis f. integrifolia (Beckh.) Soó
    • Phaenixopus muralis (L.) W.D.J.Koch
    • Prenanthes muralis L.
    • Prenanthes erysimifolia Willd.
    • Prenanthes multiflosculosa Nees
    • Prenanthes parviflora Gilib.
    • Prenanthes vulgaris Gueldenst.

Lactuca muralis, the wall lettuce, is a perennial flowering plant in the tribe Cichorieae within the family Asteraceae. It is also referred to as Mycelis muralis.

Its chief characteristic is its open airy clumps of yellow flowers. Each "flower" is actually a composite flower, consisting of 4–5 petal-like flowers (strap or ray flowers), each approximately 5–7 mm (0.20–0.28 in) in length. There are no disc flowers. Lactuca muralis grows about 2–4 feet (0.6–1.2 m) tall with the lower leaves pinnately toothed and clasping.

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