Leucodermia Kalb, 2015
publication ID |
https://doi.org/ 10.11646/phytotaxa.235.1.1 |
persistent identifier |
https://treatment.plazi.org/id/03EF7631-FFDF-6A42-FF58-4BD2FC91FB29 |
treatment provided by |
Felipe |
scientific name |
Leucodermia Kalb |
status |
gen. nov. |
Leucodermia Kalb View in CoL View at ENA , gen. nov.
Mycobank MB 813825
Synonym: Anaptychia Körb. sect. Polyblastidium Kurok. ser. leucomelaenae Kurok., Beih. Nova Hedwigia 6: 8 (1962). Type species:— Leucodermia leucomelos (L.) Kalb; Lichen leucomelos L., Sp. Pl., ed. 2, 2: 1613 (1763). America meridionali (LINN 1273.109, holotype n.v., fide Jørgensen et al. 1994: 329, 378).
Etymology:—The generic name has been combined from ser. leuco melaenae and Hetero dermia.
The new genus is characterized by a loosely adnate or, in part, unattached thallus with ribbon-like, linear elongate, dichotomously branched lobes with conspicuous long marginal rhizines, a paraplectenchymatous upper cortex and a lower ecorticated surface. Apothecia stipitate with triangular lobules, disc brown, ± densely whitish to gray pruinose. Ascospores brown, of Polyblastidia - type, with sporoblastidia.
Remarks: — Leucodermia is closely related to Heterodermia comosa -group, but differs mainly in having linear elongate, dichotomously branched lobes and a foliose to subfruticose thallus. In contrast, the lobes in H. comosagroup are usually ascending, spathulate or paddle-shaped.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.