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LIAS light – Item Descriptions
LIASlight ItemID: 11210
Parmotrema pseudeunetum Sérus.
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 |
[th] upper surface: | grey(ish) |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | present |
[th margin] cilia, cilioid structures: | present |
[th upper surface] isidia, isidioid structures: | absent |
[th upper surface] soredia, soralia, soralioid structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.4 (high) 0.8 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
[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 | furcately branched, furcate, forked |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.5 (high) 1.1 (max) 1.7 |
ascoma: | pedicellate, stipitate, pedunculate, stalked |
[ascm, if apoth] disc, mazaedium: | concave |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[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) 15.0 (high) 19.0 (max) 20.0 |
[asp] width [µm]: | (min) 9.0 (low) 10.0 (high) 12.0 (max) 13.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | atranorin | chloroatranorin | gyrophoric acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |