Amanita sp-Arora-01-560

name

Amanita sp-Arora-01-560

name status

cryptonomen temporarium

GenBank nos.

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accession	locus	voucher	source
HQ539698	nrLSU	31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU)	B. Wolfe et al., Pringle Lab., Harvard
HQ539802	nrSSU	31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU)	B. Wolfe et al., Pringle Lab., Harvard
JF707920	GH family 3 beta-glucosidase gene	31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU)	B. Wolfe et al., Pringle Lab., Harvard
HQ539909	mtSSU	31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU)	B. Wolfe et al., Pringle Lab., Harvard
HQ540012	mtLSU	31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU)	B. Wolfe et al., Pringle Lab., Harvard

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 field notes of D. Arora and original research of R. E. Tulloss.

pileus

50 - 125 mm wide, uniformly brownish orange, subglobose at first, then convex; context not recorded; margin appendiculate; universal veil as irregularly fragmented thin layer of buff to grayish-buff to pinkish buff to reddish tan floccose-fibrillose material.

lamellae

??, ??, white, with edge minutely flocculose-pulverulent; lamellulae ??.

stipe

100^± × 12 - 25 mm, white above, below with reddish tones, scaly-floccose, totally elongating; context not recorded; exannulate; universal veil saccate, membranous, "thick-felty," up to 50 &time; 38 mm, pallidly concolorous with pileus on exterior surface.

odor/taste

not recorded.

macrochemical
tests

none recorded.

partial veil

absent.

basidiospores

send to graphing tool

[60/3/2] (7.0-) 9.3 - 13.9 (-14.5) × (3.8-) 4.1 - 4.9 (-5.1) μm, (L = 9.6 - 12.7 μm; L' = 11.4 μm; W = 4.4 - 4.5 μm; W' = 4.5 μm; Q = (1.70-) 1.86 - 3.09 (-3.12); Q = 2.11 - 2.84; Q' = 2.56), hyaline, colorless, thin-walled, smooth, amyloid, elongate to cylindric, occasionally bacilliform, adaxially flattened; apiculus sublateral, ??; contents mono- to multiguttulate; color in deposit not recorded.

ecology

not recorded.

material examined

ZAMBIA: COPPER BELT PROV.: off Kitwe-Ndola Rd., Greystone Farm, 31.xii.2000-7.i.2001 David Arora 01-580 (RET 345-5; SFSU). NORTHERN PROV.—Mpika Distr. - 22 km off Great North Rd., ca. Mpika, Mutinondo Wilderness Area [ca. 12°23'33" S/ 31°19'03" E, ca. 1440 m], 31.xii.2000-7.i.2001 D. Arora 01-560 (RET 345-6; SFSU).

discussion

This species is somewhat macroscopically similar to A. fulvosquamulosa, which is known from the Democratic Republic of Congo.

citations

—R. E. Tulloss and D. Arora

editors

RET

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name	Amanita sp-Arora-01-560
name status	cryptonomen temporarium
images	1. Amanita fulvosquamulosa, Copper Belt Prov., Democratic Republic of Congo 2. Amanita fulvosquamulosa, Copper Belt Prov., Democratic Republic of Congo
intro	This species is somewhat similar to Amanita fulvosquamulosa, but has distinctly narrower spores.
cap	The 50 - 125 mm wide cap of Amanita sp-Arora-01-560 is orangish tan. At first it is nearly globose, and it becomes convex as it matures. The margin of the cap is decorated with with floccose material. The cap bears a dense layer of very thin, pallid remnants of the inner surface of the volva.
gills	The gills are white and have a flocculose-pulverulent lower edge.
stem	The stem is white and bruises pinkish; it has no membranous ring, but is decorated with floccose material. The volva is saccate, thick, up to 50 × 38 mm, and its outer surface becomes colored like the cap's skin, but is paler.
odor/taste	Neither the odor nor the taste of this species has been reported.
spores	The spores of this species measure (7.0-) 9.3 - 13.9 (-14.5) × (3.8-) 4.1 - 4.9 (-5.1) μm and are mostly elongate to cylindric (sometimes bacilliform), and amyloid. Clamps are probably absent from bases of basidia.
discussion	This species is known from the Northern and Copper Belt Provinces of Zambia. The most similar named species appears to be A. fulvosquamulosa—R. E. Tulloss and D. Arora
brief editors	RET

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