TABLE 3 in Lepiota baiyunensis sp. nov. (Agaricales, Agaricaceae) from Baiyun Mountain, China

TABLE 3. Comparison on morphological features of Lepiota baiyunensis sp. nov. with phylogenetically or morphologically related species.
ParameterLepiota baiyunensis sp. nov.Lepiota cf. elaiophyllaLepiota elaiophyllaLepiota punaensisLepiota lilaceaPileusSize8 – 37 mm25 – 40 mm13 – 15 mm8 – 24 mm28 – 35 mmShapeApplanate with a slightly umbonate top finallyPlano-convex or applanate finallyPlane-convex with small, conspicuous umbo finallyPlano-convex finallyApplanate finallyBackgroundYellowish to off-whiteDull yellowCreamWhite to off-whiteWhiteMarginSlightly in-rolled in youth, then plane, with remnants of universal veilStraight, entire to eroded in age, with remnants of pileus coveringWith remnants of veilStraight, entire to eroded in age, with remnants of the pileus coveringSlightly serrateLamellaeClose, light yellowDull yellow to sulphur yellowClose, greyish yellowClose, white to off-whiteCrowded, whiteStipeSize8–22 × 2–4 mm20–40 × 3–7 mm22–23 × 1–2.5 mm14–35 × 1–3 mm36–40 × 5 mmShapeCylindrical to subclavate to cylindrical with age, mildly tapering at the apical part and swelling at baseCylindrical and equalCentral, cylindricalCylindrical, equal to tapering upwards, swelling at baseCylindrical, slightly swollen at baseSurfaceAbove annulus zone, off-white to yellowish glabrous; below the zone, yellowish to pale brown, covered by irregular lamellar squamules, concolorous with the fibrils on pileus, gradually becoming appressed in ageAbove annular zone, yellow, glabrous; below the zone, white, covered by horizontally-oriented brown scales, concolorous with those on the pileusConcolorous with pileus, with brown squamulesAbove annular zone, off-white to light brown; glabrous; below the zone, covered with aggregated fibrils of similar those on pileus that are easily removedWhite from the center, dull yellowish orange at apex and reddish brown at base, hollow, covered with white fibrilloseAnnulusLacking true annulusLacking true annulusLacking true annulusLacking true annulusPersistent, central to superior, upper white, under brownOdorMushroom likeNone to mildly fungalSweetishNone to fungal—ContextOff-white, flesh in pileus and hollow in stipe, changing indistinctivelyYellow fading to brown or reddish brown Fleshy over time, hollowIn pileus, white, unchanging when cutting; darkening over time to brown in stipe, hollowHollowSporesSize3.9 – 5.1 × 1.9 – 2.8 μm7.0–7.2 × 3.7–3.8 μm5.4–7 × 2.5–4.3 μm6.3–6.6 × 3.7–3.8 μm4.6–5.9 × 2.8–3.1 μmChemical reactionDextrinoid and non-metachromaticDextrinoid, and non-metachromaticDextrinoid and metachromaticDextrinoid, non-metachromaticNon-dextrinoidBasidia11.0 – 15.2 × 4.1 – 6.1 μm23.1–28.7 × 7.2–8.8 μm15.1–22.5 × 5.7–7.6 μm25.6–33.3 × 6.5–8 μm20.2–22.7 × 6.4–7.1 μmCheilocystidiaMostly clavate, sometimes narrowly clavate to subcylindrical, rarely narrowly pyriform, often septate with long cylindrical basal cellNarrowly clavate to clavate, cylindrical and narrowly utriform, often septate with Clavate to sub-fusoid one to two short, cylindrical basal cellsNarrowly clavate to more commonly clavate or broadly clavateNarrowly cylindrical or utriformPileus coveringA trichoderm, long cylindrical, yellowishA trichoderm, inflated cylindrical to narrowly clavate, brownA trichoderm, cylindrical-subclavate, non-septate, pale yellowish brownA trichoderm, of long and shorter inflated cylindrical, goldenHymeniform, clavate to broadly clavate, hyaline, septate