| name | Amanita domingensis | ||||||||||||||||||||||||||||||||||||||||
| author | Angelini & Vizzini. 2020. Persoonia 45: 327. | ||||||||||||||||||||||||||||||||||||||||
| name status | nomen acceptum | ||||||||||||||||||||||||||||||||||||||||
| english name | "Santo Domingo Ringless Amanita" | ||||||||||||||||||||||||||||||||||||||||
| MycoBank nos. | 837379 | ||||||||||||||||||||||||||||||||||||||||
| GenBank nos. |
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| holotypes | JBSD 130784 | ||||||||||||||||||||||||||||||||||||||||
| 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 molecular studies of L. V. Kudzma and other original research of C. Angelini, A. Wu, and R. E. Tulloss. This species was formerly called "A. sp-DR01" on this site. | ||||||||||||||||||||||||||||||||||||||||
| pileus | protolog: . | ||||||||||||||||||||||||||||||||||||||||
| lamellae | protolog: . | ||||||||||||||||||||||||||||||||||||||||
| stipe | protolog: . | ||||||||||||||||||||||||||||||||||||||||
| odor/taste | protolog: Odor and taste not distinctive. | ||||||||||||||||||||||||||||||||||||||||
| macrochemical tests |
none reported. | ||||||||||||||||||||||||||||||||||||||||
| basidia | protolog: . | ||||||||||||||||||||||||||||||||||||||||
| partial veil | absent. | ||||||||||||||||||||||||||||||||||||||||
| lamella edge tissue | sterile. | ||||||||||||||||||||||||||||||||||||||||
| basidiospores |
protolog: [-/-/-] . composite of data from all material revised by AW and RET: [100/3/3] (5.5-) 8.6 - 13.0 (-15.5) × (4.0-) 6.5 - 9.4 (-12.0) μm, (L = 10.5 - 11.5 μm; L' = 11.2 μm; W = 7.7 - 8.3 μm; W' = 8.1 μm; Q = (1.10-) 1.22 - 1.54 (-1.92); Q = 1.34 - 1.40; Q' = 1.39), colorless, hyaline, smooth, thin-walled, inamyloid, broadly ellipsoid to ellipsoid (rarely subglobose or elongate), adaxially flattened; apiculus sublateral, cylindric; contents dominantly monoguttulate (oil drop type), occasionally with two or more guttules; white in deposit. | ||||||||||||||||||||||||||||||||||||||||
| ecology |
protolog: Gregarious to
solitary. Exclusively in
deciduous woods and probably associated with
Coccoloba diversifolia, from lowlands
(but far from beaches) to hills, in autumn and winter.
Common. from material revised by AW and RET: Solitary or in small groups. At 40± m elev. Under deciduous trees or under Pinus occidentalis. | ||||||||||||||||||||||||||||||||||||||||
| material examined |
protolog: DOMINICAN
REPUBLIC: DISTRITO
NATIONAL - National Garden of Santo
Domingo, 18.vi.2013 C. Angelini s.n. (paratype,
JBSD 130785, nrITS & nrLSU seq'd.), 24.xi.2014
C. Angelini s.n. (holotype, JBSD 130784, nrITS &
nrLSU seq'd.). PUERTO
PLATA - Sosúa,
25.xii.2016 C. Angelini s.n. (paratype,
JBSD 130786, nrITS & nrLSU seq'd.). from material revised by AW & RET: DOMINICAN REPUBLIC: DISTRITO NACIONAL—Santo Domingo, Jardín Botánico Nacional [18.4922° N/ 69.9535° W, 42 m], 18.xi.2013 C. Angelini ANGE307 (RET 692-5, nrITS seq'd.), 24.xi.2014 C. Angelini ANGE409 (RET 692-4, nrITS seq'd.). | ||||||||||||||||||||||||||||||||||||||||
| discussion |
Macroscopically, this species resembles
A. antillana
originally described from
Trinidad and Tobago. Of the two, the present
species has distincly narrower spores. The sporographs of these two species are compared in the following figure: | ||||||||||||||||||||||||||||||||||||||||
| citations | R. E. Tulloss, C. Angelini, A. Wu | ||||||||||||||||||||||||||||||||||||||||
| editors | RET | ||||||||||||||||||||||||||||||||||||||||
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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.
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