Name: Dacrymyces palmatus (Schwein.) Burt
Most Confident Observations:
Copyright © 2011 vjp
Copyright © 2003 Daniel B. Wheeler (Tuberale)
Copyright © 2008 Paul Derbyshire (Twizzler)
Copyright © 2009 Paul Derbyshire (Twizzler)
Version: 5
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: Alan Rockefeller, Erlon Bailey, GALL Alain


Rank: Species

Status: Deprecated

Name: Dacrymyces palmatus

ICN Identifier: missing

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Author: (Schwein.) Burt


Preferred Synonyms:Dacrymyces chrysospermus Berk. & M.A. Curtis

Misspellings: Dacrymyces chryospermus, Dacrymyces chrysosperma, Dacromyces chrysospermus


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Dacrymycetes

Order: Dacrymycetales

Family: Dacrymycetaceae

Genus: Dacrymyces

Notes on Taxonomy: [Edit] Brief Description: [See More | Edit]

Dacrymyces palmatus is a jelly fungus that can be found year round and is commonly found in Northeastern North America. Common names for Dacrymyces palmatus are Orange Jelly and Orange Witches’ Butter, not to be confused with other Witches’ butter, such as Tremella mesenterica. The fruiting body is 1-6cm wide and up to 2.5 cm high and appears brain-like to multilobed mass arising from a bed of white mycelium. It is yellowish orange to orange or reddish orange in color with a whitish color at the point of attachment. The consistency of the fruiting body is rubbery-gelatinous when young and will soften with age. You will find this jelly fruiting on decaying conifer branches and logs.

Microscopically you will find cylindrical to sausage shaped spores that are thin walled, smooth and hyaline measuring 17-25 X 6-8 micrometers. They will be nonamyloid and have 7-9 septa. The basidia will have a tuning fork shape typically found with Dacrymyces species and other members of the Dacrymycetaceae.

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Is this different from Dacrymyces chrysospermus?
By: Nathan Wilson (nathan)
2010-07-03 18:20:25 EEST (+0300)

According to Species Fungorum, Dacrymyces palmatus (Schwein.) Burt is deprecated in favor of Dacrymyces chrysospermus Berk. & M.A. Curtis. However, Index Fungorum also lists Dacrymyces palmatus Bres. with no opinion about it’s validity (meaning no entry in Species Fungorum).

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