LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7664

Karoowia perspersa (Stizenb.) Hale

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: yellow(ish) green
[th upper surface]: pruinose
[th upper surface] pruina: scarce, sparse, fine | dense
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.3 (high) 1.1
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | bullate | cracked, fissured, fractured, rimulose, subrimose
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th lower surface] specific structures: 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]: (low) 0.5 (high) 5.0
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm, if apoth] disc, mazaedium: pruinose
[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: subglobose, subspherical
[asp] length [µm]: (low) 7.0 (high) 9.0
[asp] width [µm]: (low) 4.0 (high) 6.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: cylindrical
[co] length [µm]: (low) 5.0 (high) 6.0
secondary metabolites: present
secondary metabolites: hypoprotocetraric acid | usnic acid | 4-O-demethylnotatic 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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