Biology:Thelenella lateralis
| Thelenella lateralis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Thelenellales |
| Family: | Thelenellaceae |
| Genus: | Thelenella |
| Species: | T. lateralis
|
| Binomial name | |
| Thelenella lateralis Aptroot & M.Cáceres (2014)
| |
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| Holotype: Parque da Cidade Governador José Rollemberg Leite, Sergipe, Brazil | |
Thelenella lateralis is a species of corticolous (bark-dwelling), crustose lichen in the family Thelenellaceae.[1] This species is notable for its eccentric ostiole (off-centre opening) and irregularly [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] ascospores (spores with multiple chambers), which are 7–9 by 0–2-septate and measure 27–32 μm by 9–10.5 μm.[2]
The type specimen of Thelenella lateralis was collected from Parque da Cidade Governador José Rollemberg Leite in Aracaju, Sergipe, Brazil, at an elevation of about 75 m. The thallus is thin, metallic grey, and lacks pseudocyphellae (tiny pores on the surface) and a [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] (a border around the thallus). The ascomata (fruiting bodies) are immersed in the bark and [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] (pear-shaped), measuring 0.4–0.55 mm in diameter. The walls of the ascomata are only [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] (blackened) above. The ostioles are eccentric and dark grey. The [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]], the tissue between the asci (spore-producing structures), does not contain oil droplets, and its filaments interconnect. The asci have an ocular chamber, and the ascospores are long, ellipsoid to [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] (spindle-shaped), hyaline (translucent), and irregularly arranged in two rows. The ascospores have rounded or pointed ends. Thelenella lateralis does not make pycnidia (small asexual fruiting bodies). Chemically, no substances were detected.[2]
Thelenella lateralis grows on smooth bark in remnants of Atlantic rainforest and is currently only known from Brazil. This is the first species in the genus Thelenella described with eccentric ostioles. It is closely related to Thelenella paraguayensis, which has larger ascospores measuring 42–60 μm by 13–19 μm.[2]
References
- ↑ "Thelenella lateralis Aptroot & M. Cáceres". Species 2000: Leiden, the Netherlands. https://www.catalogueoflife.org/data/taxon/567PS.
- ↑ 2.0 2.1 2.2 Aptroot, Andre; Andrade, Dannyelly Santos; Mendonça, Cléverton; Lima, Edvaneide Leandro De; Cáceres, Marcela Eugenia da Silva (2015). "Ten new species of corticolous pyrenocarpous lichens from NE Brazil". Phytotaxa 197 (3): 197–206. doi:10.11646/phytotaxa.197.3.3.
Wikidata ☰ Q108426224 entry
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