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Family - Indian Society of Weed Science

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Habit :<br />

Stem :<br />

Leaves :<br />

Flowers :<br />

Fruits :<br />

298<br />

An erect annual herb.<br />

Sonchus asper (L.) Hill.<br />

Common Name : Spiny sowthistle<br />

<strong>Family</strong> : Asteraceae<br />

Slender, simple or sparingly branched,<br />

glabrous.<br />

Basal leaves in a rosette. Upper leaves sessile,<br />

slightly rugose, elliptic-oblong, half<br />

amplexicaul, with rounded. Appressed<br />

auricles; spinous or simple dentate.<br />

Head solitary, yellow, gland-hairy peduncle,<br />

sub-umbellate corymb.<br />

Achene compressed, the faces faintly rugose<br />

betweenthe ribs. Pappus hairs white.<br />

<strong>Weed</strong> ID Manual

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