LIAS light – Item Descriptions
LIASlight ItemID: 11530
Syncesia flavescens (Nyl.) Tehler
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – South and Central America |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th upper surface]: | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine |
| [th marginal and upper surface] specific structures: | absent | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | absent | present |
| [th upper surface] soredia, soralia, soralioid structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted | rugose, plicate, folded, pustulate, faveolate, wrinkled | cracked, fissured, fractured, rimulose, subrimose |
| [th] medulla amyloidity: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 1.8 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | black(ish) brown |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (min) 27.5 (low) 29.0(median) 32.4 (high) 34.0 (max) 35.3 |
| [asp] width [µm]: | (min) 3.9 (low) 4.0(median) 4.2 (high) 5.0 (max) 5.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| [co] length [µm]: | (min) 7.8 (low) 9.0(median) 10.6 (high) 12.0 (max) 12.7 |
| secondary metabolites: | present |
| secondary metabolites: | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |