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Description: |
Cylindrical, cartilaginous, tufted, deep brownish purple fronds, to 150 mm high, from creeping rhizoidal base. Fronds distichously bi- tripinnate, patent, short, of nearly uniform length giving branches a linear appearance. Ramuli short, spinelike. Polysiphonous, central siphon with 8-12 pericentral siphons and outer cortication of small, coloured cells. Articulations as broad as long, barely visible. |
| Name History |
Adjective (Latin), resembling the genus Thuja |
| Biogeography |
NE Atlantic (Ireland and Britain to Marocco). |
| References |
Loiseaux-de Goër, S. & Noailles, M.-C. (2008). Algues de Roscoff. pp. [1]-215, col. figs. Roscoff: Editions de la Station Biologique de Roscoff. Maggs, C.A. & Hommersand, M.H. (1993). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3A. Ceramiales. pp. xv + 444, 129 figs, map. London: HMSO. |
| Habitat: |
Marine species, on rock and epiphytic in shallow, wave-exposed pools, lower intertidal. |
| Type information: |
Basionym: Polysiphonia thuyoides Harvey Type locality: Milltown Malbay, Co. Clare, Ireland Lectotype: TCD (Maggs & Hommersand 1993: 364). |
![Download 'Boergeseniella thuyoides - Harvey’s original illustration (Phycologia Britannica)' [Visivel]](/macoi/intra/imagens/download.gif "Download 'Boergeseniella thuyoides - Harvey’s original illustration (Phycologia Britannica)' [Visivel]")