LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 11595

Pyxine cylindrica Kashiw.

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: white(ish) | yellow(ish) grey | yellow(ish) white (ivory, off-white, cream-coloured)
[th upper surface]: epruinose | pruinose
[th upper surface] pruina: scarce, sparse, fine
[th marginal and upper surface] specific structures: present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: present
[th upper surface] soredia, soralia, soralioid structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.3 (high) 0.7
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | pseudocyphellate, with pseudocyphellae
[th] lower surface: black(ish)
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
[th lower surface] rhizines, rhizinoid structures: furcately branched, furcate, forked
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 1.4
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 17.0 (high) 22.0
[asp] width [µm]: (low) 6.0 (high) 8.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: medium brown, brownish
secondary metabolites: present
secondary metabolites: atranorin | chloroatranorin | norstictic acid | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) | testacein
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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