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Lactuca Serriola

Botanical Name:

Lactuca serriola

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Characteristics

Plant Type

An erect annual or biennial herb up to 2.5 m. tall.

Lifespan

Annual, Biennial

Fruit

Achenes pale- or greyish-brown; beaks paler, equalling or exceeding the achene in length; achene 3 x 1 mm., oblanceolate, somewhat laterally compressed, broadly-ribbed on the margins and narrowly c. 5-ribbed on each face, hispidulous towards the apices; pappus several-seriate of numerous white, barbellate setae c. 4 mm. long, free on the apically expanded beak.

Taxonomy

Order

Asterales

Family

Asteraceae – Aster family

Genus

Lactuca L. – lettuce

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