Pear-shaped to spherical, with
whitish spines that come off as the puffball enlarges. Flesh is initially white
are firm, but once the spores start to develop the interior becomes softer and
gradually darken from yellowish to dark olive-brown. Hole develops at top where
mature spores are released primarily as a result of impact with rain drops.
Attached to substrate with rhizomorphs (strands of compacted mycelia). Unlike Lycoperdon perlatum, which is terrestrial, they grow in clumps on decaying branches, stumps and
logs of both deciduous trees and conifers. Edible when firm and pure white inside.