Oenanthe lachenalii (C.C. Gmelin)
Parsley Water-Dropwort
NOMENCLATURE
Oenanthe: see 0. crocota.
lachenalli : after W. Lachenal, 18thC botanist.
Dropwort : see 0. aquatica.
BSBI Picture Link to Oenanthe lachenalii
BOTANICAL DESCRIPTION
TYPE: glabrous perennial, 100cm.ROOTS: tuberous, cylindrical or fusiform.
STEM: solid, striate, old develop small cavity.
UMBELS: compound with 5-9(20) smooth rays 1-3cm. Peduncle > than rays. Male &
hermaphrodite. Latter flowers decrease in number on later laterals. Partial umbels present.
LEAVES: lower (1)2(3) pinnate, long petiolate, soon withering, the lobes 10-20mm, linear
to spathulate or rarely narrowly obovate, entire or sometimes pinnatifid. Upper 1-2
pinnate, with linear to linear-lanceolate lobes 15-50mm. Petiole < than blade.
Cotyledons contracted into a petiole.
BRACTS : 5, subulate or linear-lanceolate. Bracteoles 5-7, oblong-lanceolate, acute.
FLOWERS : outer petals radiating. Styles form a stylopodium.
Styles < than fruit, divergent or recurved. Fl. 6-9.
FRUIT : 2.5mm, ovoid, commisure broad. Mericarps with prominent
slender ridges. Carpophore present. Vittae solitary. 2n=22*.
HABITAT : marshes & fens, often near coast, brackish places in lime rich water.
DISTRIBUTION : native, British Is. Absent N. Scotland. W. Europe.
E., to Poland & Yugoslavia. Very rare in Algeria.
BSBI Distribution Map for Oenanthe lachenalii (UK)
POISONING PRINCIPLES: see O. aquatica.
EXTERNAL LINKS FOR Oenanthe lachenalii
These links to trusted websites and institutions may provide in depth or additional information regards cultivation, chemistry, edibility, images etc. for the species. Links last updated Aug 2012.
Bio Info (UK) APHOTOFLORA (UK)
German Wiki (GER)