Lycoperdon excipuliforme

Lycoperdon excipuliforme, commonly known as the pestle puffball, is a species of puffball mushroom in the family Agaricaceae. It is characterized by its distinctive shape and spore dispersal mechanism.

Description

The upper surface of Lycoperdon excipuliforme

Lycoperdon excipuliforme typically has a pear-shaped or pestle-like appearance, with a bulbous base and a narrower top. The fruiting body can reach up to 15 cm in height and 8 cm in width. The outer surface is initially white and covered with small spines or warts, which gradually wear off to reveal a smooth, brownish surface as the mushroom matures.

The interior of the puffball is initially white and firm, becoming yellowish and then brown as the spores mature. When the puffball is mature, the top opens to release the spores in a cloud when disturbed.

Habitat and Distribution

Lycoperdon excipuliforme is commonly found in temperate regions of the Northern Hemisphere, particularly in Europe and North America. It grows on the ground in woodlands, grasslands, and sometimes in urban areas, often in association with deciduous trees.

Ecology

This species is saprotrophic, meaning it feeds on decaying organic matter. It plays a role in the decomposition of leaf litter and other organic debris, contributing to nutrient cycling in its ecosystem.

Edibility

Overwintered stipe of Lycoperdon excipuliforme

Lycoperdon excipuliforme is considered edible when young, as long as the interior is still white and firm. However, it is important to correctly identify the mushroom, as some similar-looking species can be toxic. As the puffball matures and the interior turns yellow or brown, it becomes inedible.

Similar Species

Lycoperdon excipuliforme can be confused with other puffball species, such as Lycoperdon perlatum and Calvatia gigantea. It is distinguished by its pestle-like shape and the texture of its outer surface.

Related Pages

• Lycoperdon
• Puffball
• Agaricaceae