Yellow Parasol Mushrooms

Description:

Strange-looking light yellow mushrooms, three fully-developed individuals at one location and what is taken to be a juvenile at a second location. The following data are for the “adults”: Cap: knobbed, flaccid, radially grooved, 60 mm diameter. Stem: rooting, clubbed, 115 mm long, 7 mm diameter at the base tapering to 4 mm at the cap. Gills: free, close. Data for the juvenile are: Cap: bell-shaped/closed, velvety/floccose, 20mm tall, 20mm diameter. Stem: club-shaped, 50 mm long, 10 mm diameter at the base tapering to 5 mm at the cap. Gills: apparently close, free.

Habitat:

Coastal insular tropical dryland biome.

Notes:

Spotted at two locations along the disused incline railway between Koko Head Regional Park and the summit of Koko Crater. The juvenile and one of the “adults” were collected and imaged to facilitate description. This species in normally found in nursery pots. Spotting it on the slope of Koko Crater was unexpected. It is mildly toxic and should not be consumed. Also known as Flowerpot Parasol, Plantpot Dapperling and Lemon-yellow Lepiota. Taxonomic synonyms are Leucoprinus luteus and Lepiota lutea.