LIAS light – Item Descriptions
LIASlight ItemID: 7083
Xanthoparmelia tzaneenensis (Elix) Elix
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | subcrustose (subcrustaceous) |
| thallus: | continuous, diffuse, effuse | compartimentized – areolate, squamulate |
| [th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.2 (high) 0.8 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | maculate | cracked, fissured, fractured, rimulose, subrimose |
| [th] morphol substructures (eg lobes, branches): | irregular |
| [th] lower surface: | black(ish) |
| [th lower surface] specific structures: | absent | present |
| [th lower surface] rhizines, rhizoid structures: | absent | present |
| [th lower surface] rhizines, rhizinoid structures: | unbranched, simple |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 0.5 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconcave, slightly concave |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) grey |
| [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 widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 7.0 (high) 9.0 |
| [asp] width [µm]: | (low) 5.5 (high) 6.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | fusiform |
| [co] length [µm]: | (low) 7.0 (high) 11.0 |
| secondary metabolites: | present |
| secondary metabolites: | atranorin | chloroatranorin | connorstictic acid | norstictic acid | salazinic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |