Short to medium plant, stem erect, slightly ridged and hollow after flowering. Upper leaves 2 to 3 pinnate with linear lobes and prominent sheathed bases. Flowers white, often brown veined on the back 1 to 3 mm, borne in umbels of 3 to 7 cm with 6 to 12 rays, bracts usually absent. Fruit oblong 3 to 4 mm with obscure ridges and erect styles.

Hairless; bracteoles but usually no bracts; fruits rounded and glabrous, with low rounded ridges

Open woodland, rough grassland and scrub.

May to July.

Perennial.

Fairly common throughout most of Britain, though scarce in East Anglia.

Quite common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 362 of the 617 tetrads.

In the current Checklist (Jeeves, 2011) it is listed as Native, locally frequent