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Degelia periptera

Corticolous lichen on pohutukawa, Rangitoto Auckland.<br>Photographer: Marley Ford, Date taken: 26/02/2022, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Corticolous on cabbage tree (Cordyline australis), South Head, Auckland.<br>Photographer: Andrew Marshall, Date taken: 02/05/2018, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

Corticolous on cabbage tree (Cordyline australis), South Head, Auckland.<br>Photographer: Andrew Marshall, Date taken: 02/03/2021, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

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Biostatus

Native

Current conservation status

2018 | At Risk – Naturally Uncommon | Qualifiers: SO

Structural class

Lichens - Foliose

Lichen substrate

Corticolous (bark, wood)

Detailed description

Thallus foliose lobate, ± rosette-forming, closely attached, to 23 cm diam., corticolous. Lobes narrow, contiguous at margins, imbricate, coalescing centrally, ± stellate-radiating or fan-shaped. Upper surface dull plumbeous-grey, smooth to uneven, faintly maculate (×10 lens), often with granular lobules. Apothecia sessile, rounded, 0.2-1 mm diam., disc red-brown, waxy or matt, flat, with a pale proper margin, bounded by a thick, crenulate-striate thalline margin. Ascospores ellipsoid, 11-13 × 5-8 µm.

Chemistry: TLC−, all reactions negative.

Substrate details

Corticolous

Detailed taxonomy

Genus

Degelia

Family

Pannariaceae

Authority

Degelia periptera (C.Knight) P.M.Jørg. & P.James

Synonyms

Pannaria periptera Knight.

Endemic taxon

Endemic genus

Endemic family

Referencing and citations

References and further reading

Galloway D.J. 1985: Flora of New Zealand: Lichens. Wellington: PD Hasselberg, Government Printer. 662 pp.

Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp

Attribution

Some of this factsheet information is derived from Biota of New Zealand and is used under a Creative Commons Attribution 4.0 International licence.

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