species mushroom family described new species known semi arid region brazil mushroom characterized stout fruit body smooth sticky orange cap diameter gills underside cap closely spaced frequently stem long thick mushrooms sparse cream colored latex cut injured discovery classification species found brazilian semi arid region july described new science publication federal species known brazil epithet refers type species collected authors note fungus readily fit level genus classification schemes outlined previous authorities example characteristics section proposed somewhat close match taxon included surface cap sufficiently cracked dry spores excessively comparison description cap concave somewhat funnel shaped central depression color orange center brownish orange margin cap surface somewhat sticky texture smooth slightly cracked indistinct layer hairs margin lacks grooves inward slightly gills slightly running slightly length stem cream salmon color crowded closely broad frequently branched gill edges smooth color gill face tiers short gills extend fully cap margin stem interspersed gills stem long thick centrally attached stem cylindrical slightly near base pale salmon slight longitudinal ribs seen glass flesh pale yellow cap cream yellow stem latex cream colored roughly color gills abundant microscopic characteristics spores roughly ellipsoid roughly spherical typically measure ornamentation spore surface blue blue black melzer reagent finely like ranging high thin ridges ridges form complete spore attached ranges shape narrowly somewhat conical distinct spot basidia spore bearing cells hymenium club shaped bear mainly long scarce gill faces present thin walled long wide brownish contents arise deep tissue edge gill sterile lacking basidia marginal cells cylindrical somewhat thin walled hyaline translucent tissue cap abundant spherical swollen cells common measure addition hyphae wide latex containing hyphae common cap tissue wide longitudinal orientation somewhat spreading center gill form projecting layer cells directly hymenium club shaped nearly spherical cells tissue comprises parts contains abundant nearly cells hyphae measure hyphae frequent wide straight occasionally branching cap cuticle meaning hyphae emerge roughly parallel like hairs perpendicular cap surface thick comprises layers upper layer plentiful hyphae thin walled range shape somewhat acute like pear shaped lower layer cap cuticle plentiful hyphae wide somewhat inflated cells wide clamp connections hyphae habitat distribution mushroom found buried thirds stem sandy soil near shrubs subfamily semi arid region heavy precipitation species known type locality national park brazil state fruits elevation area known fungus suspected mycorrhizal like wide diversity plant species growing open dry forest mushroom found including members tree families known form mycorrhizal associations authors speculate specific interactions
Lactarius rupestris