Lemanea Bory, 1808, nom. cons.
Holotype species: Lemanea corallina Bory
Currently accepted name for the type species: Lemanea fluviatilis (Linnaeus) C.Agardh
Original publication and holotype designation: Bory de Saint-Vincent, [J.B.G.M.] (1808). Mémoire sur le genre Lemanea de la famille des Conferves. Annales du Muséum d'Histoire Naturelle 12: 177-190, pls 21, 22.
Description: thalli monoecious; cartilaginous, pseudoparenchymatous tubular; light green to olive green, violet to black in colour; stalked or unstalked, narrow at the base gradually becoming wider, divided into wider nodes and narrower internodes; spermatangia circular papillae variable in number or very rarely fusing into narrow bands around nodes; carpogonia with a thin trichogyne that protrudes through the outer cortex, carposporophytes developing internally in both the internodal and nodal regions; internal construction consisting of central axis without cortical filaments; in longitudinal section, "ray" cells from the central axis to the outer cortex abutting cortex forming either a T- or L-shape; cortex composed of small photosynthetic cells on the outside and one or more layers of larger non-photosynthetic cells on the interior; carposporophytes develop within the thallus in the internodal regions, sometimes extending into the nodal region, often filling this region at maturity; carposporangia obovoidal or ellipsoidal, often produced in chains.
Information contributed by: Vis & Necchi (2021: 216). The most recent alteration to this page was made on 2022-04-15 by M.D. Guiry.
Taxonomic status: This name is of an entity that is currently accepted taxonomically.
Most recent taxonomic treatment adopted: Vis, M.L. & Necchi, O., Jr. (2021). Subphylum Eurhodophytina, Class Florideophyceae, Subclass Nemaliophycidae, Order Batrachospermales. In: Freshwater red algae Phylogeny, taxonomy and biogeography. ( Eds), pp. 129-332. Cham: Springer [Springer Nature Switzerland AG].
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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.
Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.
Linking to this page: https://www.algaebase.org/search/genus/detail/?genus_id=42775
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 15 April 2022. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 30 September 2023