Xanthoparmelia furcata
Synonyms
Parmelia furcata Müll.Arg., Parmelia subconspersa var. substenophylla Gyeln.
Family
Parmeliaceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Foliose
Current conservation status
2018 | Not Threatened | Qualifiers: SO
Brief description
Characterised by the saxicolous habit; the narrow, linear-elongate, dichotomously branching lobes; a brown, wrinkled lower surface with very sparse but robust rhizines; and loxodin and norlobaridone in the medulla.
Distribution
North Island: Northland (Three Kings Islands, Hen Island), Auckland (Piha, Karekare), South Auckland (Hotwater Beach, Coromandel Peninsula).
Known also from Australia.
Habitat
On coastal rocks
Detailed description
Thallus foliose, lobate, loosely attached, to 8 cm diam. Lobes narrow, elongate, ± strap-like, 0.5-2 mm wide and to 6 mm long, ± dichotomously branched, to somewhat irregular, margins entire, black, shining, apices ± ascending and appearing subfruticose. Upper surface smooth, shining, yellowish-green, isidia, maculae and soredia absent. Lower surface pale brown to black, shining, darkening at tips, smooth to slightly roughened, sparsely rhizinate. Rhizines pale brown, simple, towards lobe tips. Apothecia occasional, subpedicellate, laminal, rarely submarginal, to 4 mm diam., disc pale red-brown, imperforate, margins entire or crenulate, thalline exciple smooth, shining. Pycnidia occasional to frequent, punctiform, black or red-brown.
Chemistry: Cortex K−; medulla K−, C−, KC+ pink, Pd−; containing norlobaridone, loxodin and usnic acid.
Substrate
Saxicolous
Attribution
Fact sheet prepared by Marley Ford (11 January 2024). Brief description, Distribution, Habitat, Features, and Similar taxa sections copied from Galloway (1985, 2007).
Some content adapted from Landcare Research eFlora, CC BY 3.0 NZ
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.