Amanita sp-T16

name

Amanita sp-T16

author

Tulloss & D. P. Lewis

name status

cryptonomen temporarium

GenBank nos.

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accession	locus	voucher	source

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 based on original research of R. E. Tulloss.

macrochemical
tests

none recorded.

basidiospores

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Spores: [40/2/2] (7.9-) 8.1 - 10.5 (-12.0) × (6.0-) 7.0 - 9.3 (-11.0) µm, (L = 9.3 - 9.4 µm; L' = 9.4 µm; W = 8.3 µm; W' = 8.3 µm; Q = (1.0-) 1.01 - 1.25 (-1.40); Q = 1.13 - 1.14; Q' = 1.13), colorless, hyaline, smooth, thin-walled, inamyloid, globose to subglobose to broadly ellipsoid, infrequently ellipsoid; apiculus sublateral, ??; contents ??; ?? in deposit..

ecology

Solitary. Louisiana: In bottomlands. Texas: In mixed Pinus and hardwood forest.

material examined

U.S.A.: LOUISIANA—Saint Tamanny Parish - Pearl R. Wildlife Mgmt. Area, Honey Isl. Nature Tr., 17.vii.1987 N. S. Weber s.n. [Tulloss 7-17-87-A] (RET 087-7). TEXAS—Hardin Co. - Big Thicket National Preserve, Lance Rosier Unit, Cotton Rd., along Kinky Branch Crk., 13.vi.2009 Eastfield College student s.n. [D. P. Lewis 9092] (in herb. D. P. Lewis).

citations

—R. E. Tulloss

editors

RET

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name	Amanita sp-T16
name status	cryptonomen temporarium
author	Tulloss & D. P. Lewis
cap	The cap of this species is 24 - 35 mm wide and gray with darker gray in the center. The cap's flesh is pale sordid white and 2 - 3 mm thick above the stem. The caps margin is striate, with striations occupying about 55-80% of the cap's radius. Volval material is absent from the cap or appears as a single patch.
gills	The gills are free, whitish or slightly sordid, and about 3.5 mm broad. The short gills are truncate and irregularly distributed.
stem	The stem is about 40 × 2 - 2.5 mm, white, minutely striate lengthwise; and has no annulus. The volva on the stem's base is white on the outer surface, sack-like, membranous, about 8 mm high, and connected to the stem just at the stem's base.
spores	The spores measure (7.9-) 8.1 - 10.5 (-12.0) × (6.0-) 7.0 - 9.3 (-11.0) µm and are globose to subglobose to broadly ellipsoid (rarely ellipsoid) and inamyloid. Clamps are not to be found at bases of basidia.
discussion	This species is known from the Coastal Plain of Louisiana and the sandy forests of eastern Texas.—R. E. Tulloss
brief editors	RET

name	Amanita sp-T16
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name	Amanita sp-T16
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