deceiving knight

plural deceiving knights

1. The mushroom Tricholoma sejunctum.

   Trocholoma sejunctum - Deceiving Knight. Never seen so many Deceiving Knights as there are in Salcey Forest this year.

   2023 August 29, Mike Taylor, “Trocholoma sejunctum - Deceiving Knight”, in Flickr, Flickr, archived from the original on 10 May 2025

   3 more examples

   Deceiving Knight Tricholoma sejunctum (Sowerby) Quél. (illustrated 50% life size) Cap 4-10cm across, conico-convex then expanded; yellowish-green, more brown or greyish-brown towards the centre, radially streaky; moist[…]

   2013 September 12, Roger Phillips, Mushrooms, Pan Macmillan, →ISBN, page 106

   ... deceiving knight T. sejunctum (most records from the southern half of England and the Highlands, on oak and birches), gassy knight T. inamoenum (on soil in often calcareous grassland and deciduous and woodland), larch knight[…]

   2020 January 13, Dr. Peter Jarvis, The Pelagic Dictionary of Natural History of the British Isles: Descriptions of all Species with a Common Name, Pelagic Publishing Ltd, →ISBN

   ... Deceiving Knight or Green-streaked Trich (T. sejunctum group) has blackish radial fibers at the cap center and gills are often only yellowish near cap margin, the latter trait also shared by the rare and inedible T. arvernense[…]

   2022 October 26, Daniel Winkler, Fruits of the Forest: A Field Guide to Pacific Northwest Edible Mushrooms, Mountaineers Books, →ISBN

2. Used other than figuratively or idiomatically: see deceiving, knight.