LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3709

Melaspilea ochrothalamia Nyl.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
[th] upper surface: white(ish) | grey(ish) green | red(dish) yellow (orange, orange yellow)
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.2 (low) 0.3 (high) 0.75
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (min) 4.0
[ascm] epihymenium, epithecium: green(ish) | red(dish) brown (pale: orange brown)
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 17.0 (high) 21.0 (max) 28.0
[asp] width [µm]: (low) 6.0 (high) 8.5 (max) 12.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: pale brown
[asp] perispore, epispore: not apparent
host organism:
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] 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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