Hemlock Water-dropwort - Oenanthe crocata


Tall, hairless, parsley scented plant to 1.5 metres. Stem hollow. Basal leaves 3 to 4 pinnate with broad oval or rounded leaflets, lobed and toothed. Stem leaves 2 to 3 pinnate with narrower leaflets. Flowers white, 2 mm in umbels with 10 to 40 rays, not thickened in fruit. Bracts linear.

Photo ID?

Canal margins, waterside areas and wet places.

When to see it

Flowers June to August.

Life History


UK Status

Widespread in southern and western Britain but rather scarce elsewhere.

VC55 Status

Scarce in Leicestershire and Rutland. It was not recorded in the 1979 Flora survey of Leicestershire. First recorded inVC55 in Hemington in 1997, at present it seems restricted to the Ashby Canal and River Trent areas.

Leicestershire & Rutland Map

UK Map