Observation: Clavicipitaceae O.E. Erikss. (54491)

 

Observation: Clavicipitaceae O.E. Erikss. (54491)

When: 2009-01-11
Herbarium specimen reported

Notes: Dried specimen obtainable with permission from el Herbario Nacional de Bolivia

Proposed Names

29% (1)
Recognized by sight
Used references: Möller, A. Botanische Mittheilungen aus den Tropen. 9: 300 (1901) http://www.archive.org/details/botanischemitthe79schi
Bischoff, J.F. et. al, Clarification of the host substrate of Ascopolyporus and description of Ascopolyporus philodendrus sp. nov. Mycologia 97(3): 711 (2005) http://www.mycologia.org/content/97/3/710.full.pdf
29% (1)
Recognized by sight: fresh from google translate: Stroma, bulbous, globular, to about 4 cm in diameter tough gelatinous, fleshy, youth pink, then white or yellowish, brown or rust-red, on a tender, the bearing bamboo stalks densely lying circular radiating white Hypothallus only attached at the center.
Used references: Möller, A. Botanische Mittheilungen aus den Tropen. 9: 300 (1901) http://www.archive.org/details/botanischemitthe79schi
Bischoff, J.F. et. al, Clarification of the host substrate of Ascopolyporus and description of Ascopolyporus philodendrus sp. nov. Mycologia 97(3): 711 (2005) http://www.mycologia.org/content/97/3/710.full.pdf
58% (1)
Eye3 5c6eddec590837031337afa65c6dae3ed8064bcb49913610a8e8567612a7f4e4 Eyes3 f2fd2c9d8b69e743ac1ff2cb38c5633900ff9ac4c4a7c047078b9f1769373936
Recognized by sight

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Eye3 5c6eddec590837031337afa65c6dae3ed8064bcb49913610a8e8567612a7f4e4 = Observer’s choice
Eyes3 f2fd2c9d8b69e743ac1ff2cb38c5633900ff9ac4c4a7c047078b9f1769373936 = Current consensus

Comments

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and
By: Danny Newman (myxomop)
2012-05-12 12:33:45 CDT (-0500)

cooler still…
By: Danny Newman (myxomop)
2011-11-16 21:02:04 CST (-0600)

from the Mycologia article:

“Although originally considered pathogens of their plant substrates, many members of Clavicipitaceae have been found to be pathogens of homopterans (e.g. Coccoideae) that spend the majority of their life cycle attached to their plant host (Petch 1921, Hywel- Jones and Samuels 1998, Sullivan et al 2000, White et al 2002)."

The inferrence is that Ascopolyporus is one such genus, though the article never says so explicitly. Fascinating stuff. Entomopathogens given residence in the tree spp. with which they’ve developed a symbiotic relationship, constantly on guard against (and feeding off of) herbivorous insects.

All the Ascopolyporus
By: Danny Newman (myxomop)
2011-11-16 20:46:39 CST (-0600)

dwell on bamboo, with the exception of A. philodendri, described from specimens resembling A. polychrous but found growing on a Philodendron sp.. The striations in the stick seen here say bamboo to me, eliminating the oddball of the genus from the list of possibilities.

Under the remarks for A. philodendron’s maiden description it’s mentioned that it resembled A. polychrous in almost every way, save for some minor size discrepancies and the difference in substrate. One of those shared characteristics is purple coloration, which leads me to think that this observation may be of Möller’s A. polychrous.

I’m copying his original description as we speak for the ‘Notes’ section of its name page. We’ll see how it stacks up against these images once it’s finished.

As for the ‘polyporus’ part of the name, it has to do with the tiny pores produced on the underside of the fruiting bodies. While they superficially resemble the pores of a conk, they’re actually downward-facing ostioles inside of which the perithecia are formed.

This specimen is immature, so the pores aren’t fully developed. Larger fruiting bodies actually become shelf-/bracket-like with visible “pores” underneath (see Fig. 1 B in the Mycologia article)

!
By: Debbie Viess (amanitarita)
2011-11-16 20:40:06 CST (-0600)

amazing.

I get the asco part; why polyporus? and what is UP with that intense, purple interior color???

substrate?

nay
By: Danny Newman (myxomop)
2011-11-16 20:35:05 CST (-0600)

an asco. in the Hypocreales. the mycologia article breaks the group down pretty well. i’m still digesting it all myself.

Name suggests
By: damon brunette (damonbrunette)
2011-11-16 20:29:15 CST (-0600)

both. I assume its a Basidiomycete?

Created: 2010-10-02 05:33:31 CDT (-0500)
Last modified: 2015-02-18 16:18:18 CST (-0600)
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