Nitella C.Agardh, 1824

Lectotype species: Nitella opaca (C.Agardh ex Bruzelius) C.Agardh

Original publication: Agardh, C.A. (1824). Systema algarum. pp. [i]-xxxvii, [1]-312. Lundae [Lund]: Literis Berlingianis [Berling].

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Type designated in: Horn af Rantzien, H. & Olsen, S. (1949). A suggested starting-point for the nomenclature of Charophyta. Svensk Botanisk Tidskrift 43: 98-103.

Description: Monoecious or dioecious. Plant axis and branchlets ecorticate. Stipulodes absent; branchlets in 1 whorl, or more than 1 whorl, per node, ecorticate; primary segments usually distinctly forked into 2-8 secondary segments, or further furcate. Terminal end segments (dactyls) 1-8 cells long. Gametangia arranged at the branchlet nodes, rarely at the axial nodes; antheridia terminal and oosporangia lateral. Helical cells of the oosporangium terminated by a coronula of 10 cells, in 2 rows of 5. Oospores usually flattened spheres or ovals, with 1-3 basal-cell impressions.

Information contributed by: Casanova & Karol (2023: 324). The most recent alteration to this page was made on 2023-08-22 by M.D. Guiry.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

Gender: This genus name is currently treated as feminine.

Most recent taxonomic treatment adopted: Casanova, M.T. & Karol, K.G. (2023). Charophytes of Australia’s Northern Territory – II. Tribe Nitelleae. Australian Systematic Botany 36(4): 322-353, 16 figs.

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Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=43354

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 22 August 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 21 November 2024