Amanita farinosa sensu Zhu L. Yang - Amanitaceae.org - Taxonomy and Morphology of Amanita and Limacella

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name	Amanita farinosa sensu Zhu L. Yang
name status	sensu
intro	For the present, please, see the technical tab for additional information.
spores	Spores of the present species measure 6.5 - 7.5 (-8.0) × 5.5 - 6.5 (-7.0) μm and are inamyloid and subglobose to broadly ellipsoid. Clamps are absent from bases of basidia.
discussion	Amanita farinosa have been found in China at elevations of 1100 to 2400 m in coniferous and mixed forests with Pine and Beech singled out as associated plants.—R. E. Tulloss
brief editors	RET

name

Amanita farinosa sensu Zhu L. Yang

name status

sensu

GenBank nos.

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accession	locus	voucher	source



No data available in table

revisions

Z. L. Yang. 1997. Biblioth. Mycol. 170: 37, figs. 24-26.

[Note: According to recent DNA studies at Kunming Inst. of Botany, this taxon is distinct from the Schweinitz species known from eastern North American and Central America.—ZLY]

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 the work of Dr. Z. L. Yang and colleagues at the Kunming Inst. of Botany, Yunnan Prov., China.

NOTE: Spore measurements from papers by Z. L. Yang use his "Times New Roman" face for "Q" and "Q'"—respectively, "Q" and "Q."

basidiospores

from Yang (1997): [195/8/7] (6.0-) 6.5 - 8.0 (-9.0) × (5.0-) 5.5 - 7.0 (-8.0) μm, (Q = (1.05-) 1.10 - 1.30 (-1.35); Q = 1.18 ± 0.06).

from Yang (2000): [65/4/2] (6.0-) 6.5 - 7.5 (-8.0) × 5.0 - 6.0 (-6.5) μm, (Q = (1.09-) 1.14 - 1.32 (-1.36); Q = 1.22 ± 0.06), hyaline, colorless, smooth, thin-walled, inamyloid, broadly ellipsoid, sometimes subglobose or ellipsoid.

from Yang et al. (2001): [20/1/1] 6.5 - 7.5 (-8.0) × 5.5 - 6.5 (-7.0) μm, (Q = 1.07 - 1.21 (-1.28); Q = 1.16 ± 0.05), subglobose to broadly ellipsoid, colorless, hyaline, thin-walled, inamyloid.

ecology

China: At 1100 - 2400 m elev. In coniferous and mixed forest with Pinus spp. and taxa of the Fagaceae.

material examined

from Yang (1997): CHINA: GUIZHOU—Tongren Prefecture - Unkn. Co., Fanjingshan, viii.1983 X. L. Wu 810 (HKAS 14335). YUNNAN—Honghe Hani and Yi Autonomous Prefecture - Pingbian Miao Autonomous Co., Daweishan, 5.vii.1992 Z. L. Yang 1913 (HKAS 32515). Kunming (prefecture level) City - Unkn. Distr., Dapuji, 20.viii.1994 W. F. Chiu 8317 (HMAS 4317, as "Amanitopsis albopulverulenta" in Chiu (1948: 170)); Unkn. Distr., Yu Quan Gong Yuan (Jade Spring Pk.), Heilongtan (Black Dragon Pool) [25°08'40" N/ 102°44'57" E, 2000 m], 30.vi.1991 Z. L. Yang 1071 (HKAS 24200). Xishuangbanna Dai Autonomous Prefecture - Menghai Co., Mangao, 14.viii.1991 Z. L. Yang 1528 (HKAS 24199), G. Song 164 (HKAS 24201).

from Yang (2000): CHINA: FUJIAN—Fuzhou (prefecture level) City - Unkn. Co., Gushan, 14.viii.1934 S. C. Teng 2429 (formerly "IBN 5452"; BPI 751356; CUP-CH 900, as "Amanitopsis farinosa"). JIANGSU—Nanjing (sub-provincial) City - former city of Nanjing, former Central Univ., Agricultural Coll., 25.vii.1931 K. L. Teng 487 (formerly "IBN 5479"; BPI 751358, as "Amanitopsis farinosa").

from Yang et al. (2001): CHINA: HAINAN—Ledong Li Autonomous Co. - Jianfengling, 3.ix.1999 X. L. Wu 6 (HKAS 34096).

discussion

t.b.d.

Comparison by means of sporographs of the spore sizes and shapes of the present taxon, A. farinosa Schwein., and are to be found on the technical tab for A. farinosa. A comparison of the present taxon with A. nehuta by means of sporographs follows:

Amanita nehuta differs from all the taxa known by various authors under the name A. farinosa by having inflated cells of its universal veil with a verruculose surface. Otherwise, the taxa are very similar. Considering the rarity of the decorated inflated cells in the entire genus, it is well worth noting that the only other taxon know to have such cells is another powdery-volva'd, gray taxon of section Amanita—A. sinensis.

citations

—R. E. Tulloss

editors

RET

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name	Amanita farinosa sensu Zhu L. Yang
name status	sensu

name	Amanita farinosa sensu Zhu L. Yang

name	Amanita farinosa sensu Zhu L. Yang

Spore data for collections
provisionally identified as: Amanita farinosa sensu Zhu L. Yang

Spore data sets and their composite

Each spore data set is intended to comprise a set of measurements from a single specimen made by a single observer; and explanations prepared for this site talk about specimen-observer pairs associated with each data set. Combining more data into a single data set is non-optimal because it obscures observer differences (which may be valuable for instructional purposes, for example) and may obscure instances in which a single collection inadvertently contains a mixture of taxa.

Spore Measurements by Collection

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