name | Amanita lilloi |
name status | nomen acceptum |
author | Singer In Singer & Digilio |
english name | "Lillo's Lepidella" |
images | |
intro | This description is based on Bas' revision (1969) and the recent revision by Wartchow et al. (2007). |
cap | The cap of Amanita lilloi is (14-) 20 - 95 mm wide, white or somewhat light beige, subglobose or hemispheric to convex-applanate then plano-concave, dry, appendiculate, nonsulcate and nonstriate margin. The volva is present as floccose, subpyramidal to pyramidal warts and squamules, white then cream or yellow ochre or beige, up to 2 mm high in young specimens, densely covering the cap, later becoming subverrucose and scarce in mature specimens, then concentrated mainly over the center. The flesh is up to 5 mm thick above the stem, thinning towards the margin, white, and unchanging. |
gills | The gills are rather close to crowded, adnexed to nearly free, moderately broad, up to 6 mm broad, white then cream-colored or pale yellowish cream to pale cream, and pale ochraceous after drying. The short gills are attenuate to subtruncate and evenly distributed. |
stem | The stem is (16-) 23 - 60 × (2-) 4 - 16 mm, cylindric above the soil, white, in some specimens below the ring, the stem is densely covered with erect to recurved floccose warts, scales, or squamules. The bulb is radicating, 10 - 20 × 2 - 9 mm, fusiform then attenuate, with a 35 - 60 mm long tapering root in the soil. The ring is white, moderately thick, with verrucose white squamules on the margin of the lower surface, superior, occasionally deciduous, rather persistent and has a thickened margin. The volva is present as scattered remnants over the surface. The flesh is white, unchanging, and solid. |
odor/taste | The odor is unpleasant and strongly of "chloride of lime" per Singer (Singer & Digilio 1951). |
spores | The spores measure by Bas (1969)were (6.5-) 7 - 8.5 × (5.5-) 6 - 7 (-7.5) µm, amyloid, and subglobose to broadly ellipsoid. Clamps are present at bases of basidia. RET's measurements of spores from material reviewed by Singer and located in the herbarium at Buenos Aires are as follows: (6.5-) 6.7 - 9.0 (-10.5) × 5.0 - 7.0 (-8.0) µm. The material was collected between 1949 and 1951 and is not in good condition, many of the spores are damaged and were not measurable. Measurements according to Wartchow et al. (from recently collected Brazilian specimens) are as follows: (7-) 7.5 - 9.5 (10.5) × (6-) 6.5 - 7.7 (-8.2) µm. These spores are subglobose to broadly ellipsoid to ellipsoid. |
discussion |
Singer described this species from Argentina, where the type was collected in a garden. Experience with other amanitas found in gardens in South America (e.g., A. singeri Bas) indicate that the species might not be a native one; however, other collections of the present species have been made in open pampas. It is not known whether the Brazilian site (a university campus' lawn) for A. lilloi (a university campus' lawn) is the result of introduction during landscaping or is within the natural range of the species. The only woody plant in the lawn that was near the collecting site was a fig (Ficus). A report of A. lilloi from the Caribbean has proven to involve a misdetermination. Bas placed the present species in his stirps Vittadinii.—R. E. Tulloss and F. Wartchow |
brief editors | RET |
name | Amanita lilloi | ||||||||
author | Singer in Singer & Digilio. 1952 ["1951"]. Lilloa 25: 245. | ||||||||
name status | nomen acceptum | ||||||||
english name | "Lillo's Lepidella" | ||||||||
synonyms |
≡Aspidella lilloi (Singer) Raithelh. 1983. Metrodiana Sonderheft 2: 3. The editors of this site owe a great debt to Dr. Cornelis Bas whose famous cigar box files of Amanita nomenclatural information gathered over three or more decades were made available to RET for computerization and make up the lion's share of the nomenclatural information presented on this site. | ||||||||
MycoBank nos. | 292452, 106619 | ||||||||
GenBank nos. |
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holotypes | in herb. unknown; isotype, MICH | ||||||||
type studies | Bas. 1969. Persoonia 5: 361, figs. 48-51. | ||||||||
revisions | Wartchow et al. 2007. Mycotaxon 99: 167-174, figs. 1-5. | ||||||||
intro |
The following text may make multiple use of each data field. The field may contain magenta text presenting data from a type study and/or revision of other original material cited in the protolog of the present taxon. Macroscopic descriptions in magenta are a combination of data from the protolog and additional observations made on the exiccata during revision of the cited original material. The same field may also contain black text, which is data from a revision of the present taxon (including non-type material and/or material not cited in the protolog). Paragraphs of black text will be labeled if further subdivision of this text is appropriate. 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 below is derived from the protolog of the present taxon, (Bas 1969), (Wartchow et al. 2007), and original research of R. E. Tulloss. The recent revision of this species by Wartchow et al. (2007) is available here as a PDF. (open) | ||||||||
basidiospores |
type study of Bas (1969): [25/1/1] (6.5-) 7.0 - 8.5 × (5.5-) 6.0 - 7.0 (-7.5) μm, (Q = 1.10 - 1.35; Q = 1.20), thin-walled, amyloid, subglobose to broadly ellipsoid, [infrequently ellipsoid—ed.]. Wartchow et al. (2007): [100/5/2] (7.0–) 7.5 – 9.5 (–10.5) × (6.0–) 6.5 – 7.5 (–8.0) μm, (L = 8.0 – 8.6 μm, L’ = 8.3 μm; W = 6.8–7 μm, W’ = 7.0 μm; Q = (1.11–) 1.14 – 1.36 (–1.43); Q = 1.16 – 1.22, Q’ = 1.20), amyloid, colorless, hyaline, smooth, thin-walled, subglobose to broadly ellipsoid, occasionally ellipsoid, usually (or at least somewhat) adaxially flattened; apiculus sublateral; contents guttulate; white in deposit. composite of data from all material examined by RET: [69/4/3] (6.5-) 6.9 - 9.3 (-10.5) × (5.0-) 5.4 - 7.4 (8.1) μm, (L = 7.2 - 8.6 μm; L' = 8.1 mu;m; W = 5.9 - 7.0 μm; W' = 6.5 μm; Q = (1.08-) 1.14 - 1.43 (-1.50); Q = 1.22 - 1.35; Q' = 1.26), colorless, hyaline, smooth, thin-walled to very thin-walled, amyloid, subglobose to broadly ellipsoid to ellipsoid, often at least somewhat adaxially flattened; apiculus sublateral, cylindric, often proportionately large; contents mono- or multiguttulate (often with additional small granules) or granular; white in deposit. | ||||||||
ecology | Gregarious. Argentina: "In garden" [type] or "at base of a tree." Brazil: In lawn of university campus, with nearest tree a Ficus. | ||||||||
material examined |
type study of Bas (1969): ARGENTINA: TUCUMÁN—Unkn. Mpio. - "Ciudad," 6.xi.1950 M. Grassi T. 1016 (isotype, MICH). Wartchow et al. (2007): BRAZIL: PERNAMBUCO—Recife, Campus UFPE, Reitores Avenue, 05.iv.2005 F. Wartchow 2/2005 (URM 78685; RET 390-2), 28.iii.2006, F. Wartchow 1/2006 (URM 78713). RET: ARGENTINA: CIUDAD AUTÓNOMA BUENOS AIRES—Av. Alvear 2900, | ||||||||
citations | —R. E. Tulloss | ||||||||
editors | RET | ||||||||
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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.