Preliminary version 1 July 2012

Ramalina pumila Mont.

Bulletin of the National Science Museum, Tokyo, Series B 28 (1): 3 - 5 (2002)..

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Basionym: xxx.

Synonym: Index Fungorum

Type: China, Canton, Gaudichaud s.n. [holotype in PC (not seen); isotype H-NYL-36852!].

 

Thallus: Corticolous, up to 1.5 cm high, shrubby, sparingly and irregularly branches, growing from a narrow holdfast. Laciniae greenish yellow, fistulose, with small sparse perforations on the lower side, 0.3 – 1 (- 1.2) mm wide; main branches flattened in basal parts, more or less inflated in distal branches ending in attenuate tips, with short cylindrical side branches. Soredia absent. Pseudocyphellae absent. Laciniae 150 – 300 µm thick; cortex indistinct; chondroid tissue thin, continuous, smooth; medullary hyphae continuous on the upper cortex, very thin and discontinuous on the lower cortex especially around the perforations. Apothecia laminal or submarginal, up to 1.2 mm in diam.; margin entire; disc flat to convex, without white margin; thalline exciple complete; hymenium 40 – 45 µm high; subhymenium 8 – 10 µm thick, proper exciple 20 – 30 µm thick; ascospores shortly-fusiform, 10 – 12 x 3 – 3.5 – 4 µm. Pycnidia not seen.

Photobiont:

Chemistry: (Race 1) usnic, divaricatic and 4'-0-demethyldivaricatic acid. (Race 2) usnic, sekikaic and 4'-0-demethylsekikaic acid.

Ecology: It grows on twigs or barks of trees near the coast.

Molecular data: Genbank

Distribution: Database

Note: