LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3974

Ochrolechia africana Vain.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: cracked, fissured, fractured, rimose
[th] upper surface: yellow(ish) grey
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: verruculose, minutely warted | rugose, plicate, folded, pustulate, faveolate, wrinkled
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.6 (high) 2.0 (max) 2.7
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconcave, slightly concave
[ascm, if apoth] disc, mazaedium: red(dish) yellow (orange, orange yellow) | yellow(ish) red (orange red) | white(ish) red (rose)
[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: yellow(ish) grey
[ascm, if apoth] margin excipular photobionts: present | sparse
[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: with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc)
ascospores: (median) 8.0
[asp] shape: ellipsoidal | oblong, oblong-obtuse
[asp] length [µm]: (min) 22.0 (low) 43.0 (high) 67.0
[asp] width [µm]: (min) 9.0 (low) 18.0 (high) 30.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: 4,5-di-O-methylhiascic acid | 4-O-demethylmicrophyllinic acid | 5-O-methylhiascic acid | atranorin | gyrophoric acid | lecanoric acid | lichexanthone
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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