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The following material is derived from the description of Corner and Bas (1962).
Corner and Bas (1962): 60 - 80 mm wide, sepia, fuscous-umber in center, with innate dark fibrillose streaks near margin, becoming concave, subumbonate, dry or slightly viscid; context firm, solid, white, turning slightly ochraceous on cutting, ca. 8 mm thick over stipe; margin smooth or faintly striate; universal veil as firm warts, separable, stout, conic, paler than pileus surface (grayish sepia), 1 - 2 × 2 - 4 mm near center, smaller near margin.
Corner and Bas (1962): free, crowded, cream-white, grayish toward ?"base,: about 100 primaries, 5 - 6 mm broad; lamellulae 1 - 3 between each pair of other adjacent lamellae.
Corner and Bas (1962): 110 × 10 - 12 mm, pale brownish or pallid-whitish above below partial veil, graying above, subcylindric, slightly narrowing upward, smooth below partial veil, slightly appressedly floccose with ?"broken remnants of partial veil" above; bulb not described; context not described; partial veil pendent, superior, membranous-subfloccose, pallid-whitish, rather ample, striate above, with fuscous scurfy particles on edge; universal veil as 1 - 2 rows of slight scurfy warts at stipe base, grayish, 0.5 - 1 mm wide.
Corner and Bas (1962): [-/-/-] 8 - 10 × 7.5 - 8.5 µm, (est. Q = 1.07 - 1.18), colorless, subglobose; apiculus ?; contents cloudy-vacuolate or monoguttulate; color in deposit not recorded. [Note: Q values are estimated in order to support a sporograph.—ed.]
Corner and Bas (1962): Solitary. Terrestrial in jungle
Corner and Bas (1962): SINGAPORE: unkn. loc., 16.viii.1940 E. J. H. Corner s. n. (?L, watercolor drawing only as "Amanita 5").
Corner and Bas (1962): "This species is close to A. fritillaria, of which it may be a form or variety. It differs by larger and paler warts on the pileus, by a pale smooth stipe and perhaps by slightly larger spores. As no material is preserved, a conclusion would be premature."
—R. E. Tulloss
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Spore data for collections provisionally identified as: Amanita sp-Corner-&-Bas-1
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.