Observation 62768: Chaetocalathus cocciformis (Berk.) E. Horak

When: 2011-01-24

Collection location: Kaipara harbour, Auckland, New Zealand [Click for map]

Who: Michael W (Michael Wallace)

Specimen available

Pileus: 5-8mm in diameter, sessile to laterally attached to substrate, surface pale yellowish-brown to white, covered in thick walled dextrinoid hyphae, margin appendiculate, flesh thin.
Lamellae: Emarginate, close, with 2-3 tiers of lamellulae, white to pale pinkish-white with reddish-brown patches at maturity, margin fimbriate or crisped, concolorous, width 2-3mm, thickness about the same as the pileus flesh.
Stipe: Lacking but with small hollow knob like protrusion,(pseudostipe?), concolorous with hymenium becoming reddish-brown at maturity.
Habit: Scattered to gregarious.
Habitat: On rotted twigs of a native New Zealand Clematis species, commonly fruiting from each leaf node, also on rotted leaves of Cordyline australis, previously thought to occur exclusively on rotted wood from Vitex lucens, fruiting mainly in June-July but can also be found at any time after heavy rain.

Basidiospores: White in deposit, subglobose-occasionally broadly ellipsoid or globose with short pointed hilar appendage, lacking a germ pore, hyaline in 3%KOH, dextrinoid in Melzer’s reagent.
Range: (7.5-)8-9(-9.5)x(7-)7.5-8(-8.5)µm, Average length and width of 20 spores measured was 8.4×7.6µm. Average Q=1.03.

[admin – Tue Feb 08 12:34:38 +0000 2011]: Changed location name from ‘Kaipara harbour, Auckland, New Zealand.’ to ‘Kaipara Harbour, Auckland, New Zealand’

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Created: 2011-01-24 04:35:38 CST (-0500)
Last modified: 2011-02-08 07:34:38 CST (-0500)
Viewed: 119 times, last viewed: 2017-06-08 09:23:36 CDT (-0400)
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