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Bupleurum tenuissimum L. Slender Hare's Ear
Bupleurum: see B. baldense. tenuissimum : very slender.
OTHER NAMES: smallest hares ear.
Essex Field Club Picture Link to Bupleurum tenuissimum
TYPE: glabrous erect/procumbent annual. Th.HEIGHT: 15-50cm.
STEMS: branched, flexous, solid, striate.
UMBELS: 5mm diam. Compound, numerous, terminal and axillary, shortly pedunculate
or sessile, with (1) 2-3 unequal rays 1cm long, partial umbels with 1-4, flowers.
LEAVES: 7cm, simple, linear to narrowly oblanceolate, widest above middle, acute,
sessile, scarcely sheathing at base, veins 3, parallel, with some slender cross veins.
Cotyledons tapered at base, no petiole.
BRACTS: 3-5, 6mm, linear-lanceolate, subulate 3 veined, herbaceous.
Bracteoles similar long, but not concealing the flowers and fruit.
FLOWERS: yellow, hermaph. Styles forming stylopodium.Fl. 7-9.
FRUIT: 2mm, black, subglobose, granulate. Laterally compressed, rugulose-
papillose. Commisure broad. Mericarps with narrowly winged, undulate- crenate ridges.
Carpophore present. Vittae inconspicious. Pedicels very short. Styles 0.1mm, horizontal.
Stigma truncate. 2n=16.
HABITAT: grassy, saline habitats, salt marshes waste places.
DISTRIBUTION: represented in Britain by subsp. tenuissium. Coasts
of England from Dorset to Humber. Bristol Channel. One locality
in Co. Durham. Inland, near Malvern. Coasts of Europe, N. to
Sweden. S.W. Asia. N.W. Africa, inland on saline steppe.
BSBI Distribution Map for Bupleurum tenuissimum (UK)
EXTERNAL LINKS FOR Bupleurum tenuissimum
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.
Wikipedia (GER)   Nature Gate (FIN)
DEB WEB Photos (UK)
'Online Guide To Umbelliferae Of The British Isles' Compiled By J.M.Burton 2002