LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4111

Pannaria gemnascens Nyl.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous)
[th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) brown (violet brown)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent | present
[th margin] cilia, cilioid structures: absent
[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) 1.5 (high) 3.0
[th] morphol substructures (eg areoles, squamules): distantly discontiguous
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled | uneven, undulate
[th] lower surface: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | blue(ish) brown (violet brown)
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
[th lower surface] rhizines, rhizinoid structures: fasciculate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
[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: epruinose
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.5
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent | present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] shape: globose, spherical
[asp] length [µm]: (low) 10.0 (high) 15.0
[asp] width [µm]: (low) 10.0 (high) 15.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: pale brown
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s)
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: cyanobacterial

[*] 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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