Australian Biological Resources Study
Checklist of the Lichens of Australia and its Island Territories | ||
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References | ||
Parmotrema austrosinense (Zahlbr.) Hale | ||
Phytologia 28: 335 (1974); Parmelia austrosinensis Zahlbr. in H.Handel-Mazzetti, Symb. Sin. 3: 192 (1930). T: Gwanyinschan, near Kweiyang, Kweitschou, China, 6 July 1917, H.Handel-Mazzetti 10580; lecto: WU; isolecto: BPI, W, n.v., fide M.E.Hale, Contr. U.S. Natl Herb. 36: 239 (1965). | ||
Thallus loosely adnate, coriaceous, to 6–10 cm wide. Lobes rounded, 10–30 mm wide, lacking laciniae; margins entire or crenate, eciliate, sinuate, often ascending. Upper surface pale grey, ash grey, or grey-green, weakly maculate, sometimes distinctly maculate especially in thallus centre, ±rugose and reticulately cracked, without isidia; soralia marginal and submarginal, linear; soredia granular. Medulla white. Lower surface black, with a white, brown, or mottled erhizinate marginal zone; rhizines sparse, simple, unevenly distributed, short. Apothecia rare, subpedicellate, to 10 mm wide; disc perforate or imperforate; thalline exciple sorediate. Ascospores 12–20 × 7–10 µm. Pycnidia uncommon. Conidia filiform, 10–14 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K-, C+ red, KC+ red, P-; containing atranorin, chloroatranorin and lecanoric acid. | ||
Common on bark of trees, and, more rarely, on rock, in moist subtropical and tropical areas of Qld; also in N.S.W. and Lord Howe Is. A widespread species in tropical and temperate regions. | ||
Elix (1994t) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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