Amanita keesii

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name

Amanita keesii

author

Tulloss

name status

nomen provisorum

english name

Kees Bas' Ringless Amanita

etymology

Kees (nickname of Dr. Cornelis Bas) + -ii, masculine ending indicating possession. Hence, "Kees Bas'."

GenBank nos.

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accession	locus	voucher	source
KX354360	nrITS	22.viii.1984 R. E. Tulloss, Dr. Cornelis Bas, Dr. David T. Jenkins [Tulloss 8-22-84-L] (RET 235-8)	L. V. Kudzma, Annandale, NJ

intro

Olive text indicates a specimen that has not been thoroughly examined (for example, for microscopic details) and marks other places in the text where data is missing or uncertain.

The following material is derived from original research of R. E. Tulloss.

pileus

light yellowish tan over disc and fading to margin, slightly browner on distinct umbo, planar at maturity; context thin; margin non-appendiculate, subtuberculate-striate (0.55-0.6 R); universal veil absent.

lamellae

??, white in side view, ??; lamellulae ??.

stipe

white, brownish where handled, narrowing upward; context hollow (at least below), white; exannulate; universal veil as membranous white saccate volva.

odor/taste

neither recorded.

macrochemical
tests

none recorded.

lamella edge tissue

sterile.

ecology

Solitary. Near a small lake in dark loam of open woods including Pinus and Quercus.

material examined

U.S.A.: ALABAMA—Unkn. Co. - ca. border of Shelby & Jackson Cos., near small lake, 22.viii.1984 R. E. Tulloss, Dr. Cornelis Bas, Dr. David T. Jenkins [Tulloss 8-22-84-L] (RET 235-8, nrITS & nrLSU seq'd.).

discussion

The present species is one of those in section Vaginatae that have an unusual 5' motif for nrLSU—TCTGACCTCAAATCA. A list of such taxa is presented on the techtab of A. penetratrix.

This species has been referenced on this site and in RET's correspondence and draft documents as "Amanita sp-A07."

citations

—R. E. Tulloss

editors

RET

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