When: 1997-06-01
Collection location: Pacific Palisades, California [Search]
Who: Nathan Wilson (nathan)
Herbarium specimen available

Notes: Identified based on a comment by Darvin DeShazer.

This observation represents the first time I found this strange, terrestrial, pinkish polypore. I have since found it twice on DreamWorks campus, growing in a planted area under an Olive tree. See Observation 3106 for a photo and Observation 3105 for notes on another voucher collection.

Habitat: Lawn within 2’ of a Eucalyptus.

Quantity: One fresh specimen in excellent condition.

Entire collection a single fused mass 70-09mm across, 60mm tall. Collection a strongly fused cluster of more or less distinct funnel-shaped fruiting bodies. Each fruting body with a more or less distinct stipe. Hymenium poroid and restricted to the undersurface of the fruiting body. The upper surface with a very fine tomentum. When fresh the edges of the funnels are very light pink with the color intensifying towards the center. The color at the center is a browinsh rosy tone. Hymenium lighter than the upper surface, but still distinctly pinkish. Drying darker. The tomentum on the upper surface is white or very pale pink.

Pores variable is size and shape, apparently becoming larger and more irregularly shaped in age. The pores near the edge smaller (3 or 4/mm) those closer to the base larger (1mm – 2mm x up to 4mm). When fresh pores are pale pink, becoming browner with drying.

Flesh very tough, but pliable.

Stipe covered with fine tomentum like the upper surface.

Taste mild. Old distinct and on the moldy side of pleasant. Becoming sweeter and more pleasant with drying.

Spore print white.

Microscopic Features:

Spore smooth, broadly ellipsoid (4-4.5um x 5-6um), hyaline, inamyloid. Clamp connections distinct and abundant. Cystidia present intermixed with the basidia. Hyphae are probably dimitic. There appear to be two distinct types of hyphae. Longer straight strands that take dye (Phloxine and Congo Red) more strongly than the other more meandering strands. However, a number of clamped septae were observed with one side taking the dye strongly, but the other side not. A distinct layer of strongly parallel hyphae were observed that appear to be between the hymenium and the hyphae that make up the upper surface.

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Proposed Name		User		Community Vote
Abortiporus biennis (Bull.) Singer		nathan		(no votes)

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Observation created: Sat Apr 21 20:52:39 -0700 2007
Last modified: Thu Apr 26 09:30:57 -0700 2007
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