LIAS light – Item Descriptions
LIASlight ItemID: 11451
Melanelixia huei (Asahina) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical |
| 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: | green(ish) brown (olive brown) | yellow(ish) brown | red(dish) brown (if pale: orange brown) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 1.0 (high) 3.0 (max) 5.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | 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: | unbranched, simple |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 5.0 (max) 8.0 |
| [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) 11.5 (high) 14.0 |
| [asp] width [µm]: | (low) 5.0 (high) 7.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | bifusiform | cylindrical |
| [co] length [µm]: | (low) 5.5 (high) 8.0 |
| secondary metabolites: | present |
| secondary metabolites: | lecanoric acid | skyrin (rhodophyscin) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |