LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 8053

Parmotrema eborinum (Hale) Hale

Characters[*]:Character States[*]:
global occurrence: Americas – South and Central America
substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: grey(ish) | white(ish) grey | grey(ish) white | yellow(ish) white (ivory, off-white, cream-coloured)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 8.0 (high) 15.0
[th] morphol substructures (eg areoles, squamules): distantly discontiguous
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
[th] morphol substructures (eg lobes, branches): irregular
[th] lower surface: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[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) 3.0 (high) 5.0
ascoma: pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | white(ish) grey | grey(ish) white
[ascm, if apoth] margin excipular photobionts: present | abundant
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: red(dish) brown (pale: orange brown)
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) 11.0 (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: present
conidia: bifusiform | filiform, vermiform
[co] length [µm]: (low) 5.0 (high) 7.0
secondary metabolites: present
secondary metabolites: atranorin | chloroatranorin | protocetraric acid
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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