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Physospermum cornubiense (L) DC       Bladder Seed


Physospermum : from Greek, ______ : bellows.
&  ______ seed, referring to inflated fruits.

cornubiense : of Cornwall.

PREVIOUS NAMES : Danna cornubiensis (L) Burnat.

BSBI Picture Link to Physospermum cornubiense


TYPE : almost glabrous perennial. Hs. STEMS: solid, striate.
HEIGHT 30-120cm.  UMBELS : 1.5-5cm diam. Compound, long-pedunculate. 10-14
smooth, slender, usually unequal rays 2-5cm long. Peduncle longer than the rays.
Terminal hermaphrodite. Lateral male + hermaphrodite.
LEAVES : basal: 2-ternate, broadly rhombic primary divisions long stalked. Lobes 15-20rnm,
ovate, cuneate base, pinnatifid/incise-serrate, puberulent margin, larger veins both surface.
Petiole long, slender. Cauline lvs few, simple.
BRACTS : 4-7 lanceolate to linear, acute, membranous. Bracteoles similar, but usually few.
FLOWERS: white, long pedicellate. Sepals triang­ular. Styles stout, spreading,
recurved in fruit, forming a stylopodium. Fl. 6-8.
FRUIT : 3-4 mm, inflated, broader than long. Didymous, dark brown. Commisure narrow.
Mericarps smooth. Carpophore present. Vittae solitary. Pedicels 5-8 mm, smooth.
Styles x2 > as stylopodium, recurved. Stigma truncate.

HABITAT : open woods and scrub.

: native. Local. S. Devon, E.Cornwall. One location
in Buckinghamshire. S.Europe. Temperate W.Asia

BSBI Distribution Map for Physospermum cornubiense

EXTERNAL LINKS FOR Physospermum cornubiense

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 Images (UK)
National Center for Biotechnology Information (USA)
Asturnatura (ESP)     Schede di Botanica (ITA)

'Online Guide To Umbelliferae Of The British Isles' Compiled By J.M.Burton 2002