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'' Cantharellula umbonata'' has an umbo. The cap of '' Psilocybe_makarorae''_is_acutely_papillate..html" ;"title="papillate.html" ;"title="Psilocybe makarorae'' is acutely papillate">Psilocybe makarorae'' is acutely papillate.">papillate.html" ;"title="Psilocybe makarorae'' is acutely papillate">Psilocybe makarorae'' is acutely papillate. An umbo is a raised area in the center of a mushroom cap. pileus (mycology), Caps that possess this feature are called ''umbonate''. Umbos that are sharply pointed are called ''acute'', while those that are more rounded are ''broadly umbonate''. If the umbo is elongated, it is ''
cuspidate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...
'', and if the umbo is sharply delineated but not elongated (somewhat resembling the shape of a human
areola The human areola (''areola mammae'', or ) is the pigmented area on the breast around the nipple. Areola, more generally, is a small circular area on the body with a different histology from the surrounding tissue, or other small circular ar ...
), it is called '' mammilate'' or ''papillate''.


References

{{reflist Fungal morphology and anatomy Mycology