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 | ||
| Relicina circumnodata (Nyl.) Hale | ||
| Phytologia 28: 484 (1974) Parmelia circumnodata Nyl. in W.Nylander & J.M.M.Crombie, J. Linn. Soc., Bot. 20: 51 (1883). T: Government Hill, Penang, Malaya [Malaysia], A.C.Maingay 22; lecto: BM; isolecto: FH, H, fide M.E.Hale, Smithsonian Contr. Bot. 26: 20 (1975). |
||
| Thallus foliose, adnate, to 8 cm wide. Lobes not imbricate, contiguous and sublinear to separate and linear-elongate, dichotomously or subdichotomously branched, 0.7–2 mm wide, elobulate; cilia dense, conspicuous, strongly inflated, to 2 mm long, often developing agglutinated hyphae towards cilia apices. Upper surface pale yellow-green to yellow-brown, flat to convex, shiny, smooth, emaculate or weakly maculate; isidia sparse, cylindrical, simple, short (to 0.5 mm high). Lower surface pale tan; rhizines dimorphous; coarse long rhizines scattered, pale brown; fine short rhizines developing from coarse rhizines and lower surface, dense, richly branched, agglutinated, pale tan. Apothecia rare, 1–2 mm wide; disc shallowly concave, cinnamon-brown to dark brown; thalline exciple coronate, smooth, erhizinate. Ascospores bicornute, 10–12 × 3 µm. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K- or K+ pale brown, C-, KC-, P+ brick red; containing usnic acid and protocetraric acid. | ||
| Scattered on the bark of mangroves, coastal and hinterland trees in north Qld; also occurs in West Malaysia, Sarawak, and the Philippines. | ||
| Elix (1994v) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
This work is copyright. Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission from Australian Biological Resources Study. Requests and inquiries concerning reproduction and rights should be addressed in the first instance to Dr P. McCarthy. These pages may not be displayed on, or downloaded to, any other server without the express permission of ABRS.