LIAS light – Item Descriptions
LIASlight ItemID: 8226
Letrouitia parabola (Nyl.) R. Sant. & Hafellner
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Americas – North America (incl Mexico) | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| [th] upper surface: | green(ish) grey | brown(ish) green (olivaceous, olive green) | yellow(ish) red (orange red) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.6 (high) 1.4 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | red(dish) brown (if pale: orange brown) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | red(dish) yellow (orange, orange yellow) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | red(dish) brown (if pale: orange brown) |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| ascospores: | (min) 4.0 (low) 6.0 (high) 8.0 |
| [asp] shape: | broadly ellipsoidal |
| [asp] length [µm]: | (low) 25.0 (high) 35.0 |
| [asp] width [µm]: | (low) 18.0 (high) 22.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 5.0 (high) 7.0 |
| [asp] pigmentation: | hyaline, colourless |
| secondary metabolites: | present |
| secondary metabolites: | 7-chloroemodin | emodin | exuviatic acid B | fragilin | parietin | 7-chloroemodinal | 7-chloroparietinic acid | 7-chloroteloschistin | fragilin bisanthrone | physcoin bisanthrone |
| primary photobiont: | present |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |