LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7242

Xanthoria karrooensis S. Y. Kondr. & Kärnefelt

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar)
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | green(ish) | white(ish) | blue(ish) red (purple) | brown(ish) red (carneous)
[th upper surface]: epruinose | pruinose
[th upper surface] pruina: scarce, sparse, fine | dense
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.0 (high) 1.5 (max) 3.0
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verrucose, warted
[th] lower surface: yellow(ish) (if dull: buff) | grey(ish) white
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
[th lower surface] rhizines, rhizinoid structures: unbranched, simple
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.5 (low) 0.7 (high) 1.8
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: strongly concave, excavate, urceolate | concave | plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: yellow(ish) red (orange red)
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | green(ish) | white(ish) | blue(ish) red (purple) | brown(ish) red (carneous)
[ascm, if apoth] margin excipular photobionts: present
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.5
[ascm] paraphyses/-oid apical cells width [µm]: (low) 4.0 (high) 5.0
[ascm] epihymenium, epithecium: yellow(ish) red (orange red)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc)
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 11.0 (low) 12.0 (high) 13.0
[asp] width [µm]: (min) 4.0 (low) 5.0 (high) 6.0
[asp] septa: absent | present – spore lumen bilocular, polarilocular, plurilocular
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: broadly ellipsoidal | bacilliform, bacillar
[co] length [µm]: (low) 2.5 (high) 3.0
secondary metabolites: present
secondary metabolites: emodinal | emodinic acid | citreorosein
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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