E-Flora BC: Electronic Atlas of the Flora of British Columbia

Mucronella pendula (Massee) R.H. Petersen
no common name
Clavariaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

© Paul Dawson  Email the photographer   (Photo ID #87570)

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Distribution of Mucronella pendula
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Species Information

Summary:

Not available
Fruiting body:
up to 0.8cm long, up to 0.3cm wide, arising upward (against gravity) but quickly expanding downward; narrowly pyriform [pear-shaped] to narrowly conic, tapering evenly; white; "watery when fresh but neither gelatinous nor mucoid, friable when dry but never cartilaginous"; stem and club clearly distinct
Stem:
up to 0.3cm long, up to 0.15cm thick, "equal, arising from a very thin, almost invisible white subiculum, firm gelatinous to gelatinocartilaginous"; "dull ochraceous to citrine yellow"
Microscopic:
spores 6-9 x 4.5-6.7 microns, broadly elliptic, "usually flattened adaxially", smooth, amyloid, thin-walled, "contents homogenous [sic] to minutely granular", "hilar appendix papillate, eccentric", less than 1 micron long; basidia 4-spored, 28-35 x 6-8 microns, subclavate to almost cylindric, with clamp connections, "contents homogeneous to minutely granular", "walls slowly gelatinizing in 2% KOH and sometimes disappearing in median regions", sterigmata 3-6 microns long, "from cornute and erect to straight and divergent"; subhymenium "extensive, pseudoparenchymatous"; tramal hyphae of club monomitic, inflated variously up to 20 microns in diameter, thin-walled, "more or less parallel, with clamp connections at most septa, not secondarily septate", walls slowly partially gelatinizing in 2% KOH
Spore Deposit:
white

Habitat / Range

"single, gregarious or occasionally cespitose or two or three fasciculate"; generally on conifer wood, associated with a brown rot; cited collections in October and November

Synonyms and Alternate Names

Hypomyces insignis Berk. & M.A. Curtis
Hypomyces purpureus Peck

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
Taxonomic Information from the World Flora Online
Index Fungorium
Taxonomic reference: Petersen(28), Lloyd(5) (original description of Mucronella alba), Lloyd(4) (description of Mucronella aggregata)

Additional Range and Status Information Links

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Species References

General References