
LIAS light – Item Descriptions
LIASlight ItemID: 4726
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Oceania – Australasia |
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) | grey(ish) brown |
[th upper surface]: | epruinose | pruinose |
[th marginal and upper surface] specific structures: | absent |
[th upper surface] isidia, isidioid structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.0 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted | bullate | rugulose, finely wrinkled |
[th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) white (ivory, off-white, cream-coloured) |
[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]: | (low) 0.5 (high) 3.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black |
[ascm, if apoth] disc, mazaedium: | epruinose |
[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]: | (min) 15.0 (low) 15.0 (high) 32.0 (max) 35.0 |
[asp] width [µm]: | (min) 7.0 (low) 7.0 (high) 14.0 (max) 16.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | medium brown, brownish |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 4.0 (high) 5.0 |
secondary metabolites: | present |
secondary metabolites: | 16β-acetoxyhopane-6α,22-diol | 6α-acetoxyhopane-16β,22-diol | atranorin | leucotylin | zeorin (hopane-6α,22-diol) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |