Cortinarius rotundisporus
Cleland & Cheel 1918
Description:
A common fungus found under tea trees Variable in colour, young fruiting bodies can appear very green. It normally has a glutinous deep metallic blue cap with a brown centre and a viscid metallic blue stalk in wet conditions.

Cap: Up to 35-80 mm., Slightly viscid when moist, dull, convex with a trace of an umbo. Young specimens sometimes beautiful mauve or lavender‑blue. Drying pallid with greyish‑blue tint, often with eucalyptus‑green tones. Older caps creamy‑yellow with faint brownish or greenish hues. Margin slightly inrolled when young
Lamellae: Adnate, sometimes with a trace of decurrence, slightly sinuate, ventricose. Moderately close. Dingy flesh‑tinted, drying pale yellow‑brown to deeper ochre‑brown. Edge concolorous.
Stipe: Up to 100 mm., attenuated upward, rather bulbous below. White, tinged with cap colours (lavender‑blue in youth). Slightly striate, hollow. With remains of a superior cobweb veil, bluish when young.
Context: Pale, watery; in stipe may turn yellowish.
Odour/taste: not distinctive.

Common name: None
Habitat: Myrtaceae forest
Substrate: On soil.
Distribution: New Zealand wide
Season: Autumn to early winter
Biostatus: Indigenous, non-endemic
Edible: No
Spore print: Rust brown
Macro images:
Cortinarius rotundisporus
Scale bar
Scale= 8.5 mm.
 
Cortinarius rotundisporus
Scale bar
Scale= 9 mm.
 
Cortinarius rotundisporus
Scale bar
Scale= 9 mm.
 
Cortinarius rotundisporus
Scale bar
Scale= 11 mm.
 
Cortinarius rotundisporus
Scale bar
Scale= 11 mm.
Micro images:
Cortinarius rotundisporus spores
Scale bar
Magnification = 1000x
Spores: brown 7 - 9 µm. x 5.5 - 7µm subglobos to globose, finely verrucose.
Cortinarius rotundisporus basidia
Scale bar
Magnification = 1000x
Basida: 30 - 38 µm. x 8 - 11µm cylindro-clavate to cylindric, 4 spored.
 
The Hidden Forest
Forest Fungi