Dumontinia tuberosa (Bull.) L.M. Kohn, (anemone cup)


2 Apr 2005 at OSGR: SP31 in Oxon, England

Record Summarynear Wood Anemones and Lesser Celandine
Found asFruitbody
Date2 April 2005
OS grid refOSGR: SP31
Lat/Lon51° 50’ N, 1° 30’ W
Vice CountyOxon, VC no: 23
CountryEngland
Voucher2 Apr 2005[B]
(Please quote this in any queries about this record)

Notes:

Group of stalked apothecia arising from a buried sclerotium.

Sclerotium: soft, black, white inside.

Ascospores: with two oil drops, up to 15.5/5µm, cylindric, tapered at one end, basal spore in ascus often longer, narrower and more tapered than others, occasional spores septate (3 seen, 1 in ascus).

Paraphyses: narrow, cylindric.

Ascus: 8-spored, pore blued for full length.

The spores seem rather narrower than expected for this species. B&K: 12-16/6-8µm, Dennis: 12-17/6-9µm, Ellis & Ellis: 12-16/6-7µm, Kohn in Hansen & Knudsen: 12-17/6-9µm.

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photomicrographs:

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