Staurastrum sp., copyright Otago Regional Council & Manaaki Whenua.

Belongs within: Desmidiaceae.

Staurastrum is a genus of desmids with cells divided between two semicells by a deep midline constriction, each bearing radially arranged arm-like processes.

<==Staurastrum Meyen 1829M70
    |--S. aculeatumH04
    |--S. alternansG64
    |--S. anatinum Cooke & Wills 1880M70
    |--S. angolenseP08
    |--S. approximatumP08
    |    |--S. a. var. approximatumP08
    |    `--S. a. var. centenniale Playfair 1908P08
    |--S. arachneG64
    |--S. aristiferumG64
    |--S. armatum Playfair 1908P08
    |--S. armigerumP08
    |--S. asperumG64
    |--S. aureolatum Playfair 1908P08
    |--S. aviculaG64
    |--S. bicorneP08
    |--S. brachiatumP08
    |--S. brachioprominensP08
    |--S. brevispinaG64
    |--S. comptumP08
    |--S. connatumP08
    |    |--S. c. var. connatumP08
    |    `--S. c. β spencerianum [incl. S. connatum var. rectangulum]P08
    |--S. controversumG64
    |--S. corniculatumP08
    |    |--S. c. var. corniculatumP08
    |    |--S. c. var. australisP08
    |    |--S. c. var. pseudoconnatum Playfair 1908P08
    |    `--S. c. β variabileP08
    |--S. cuspidatumG64
    |--S. cyrtocerumG64
    |--S. dejectumSG05
    |--S. dickieiG64
    |--S. dilatatumG64
    |--S. elongatumP08
    |--S. enormeG64
    |--S. fontense Playfair 1908P08
    |--S. furcatumH04
    |--S. genuflexumP08
    |--S. gracileG64
    |--S. hirsutumG64
    |--S. hystrixG64
    |--S. laeveG64
    |--S. laevispinumP08
    |    |--S. l. f. laevispinumP08
    |    `--S. l. f. sydneyensis [incl. S. brachiatum var. longipedum]P08
    |--S. longispinumP08
    |    |--S. l. var. longispinumP08
    |    `--S. l. β depressum Playfair 1908P08
    |--S. lunatumG64
    |--S. manfeldtiiP08
    |    |--S. m. var. manfeldtiiP08
    |    `--S. m. var. annulatumP08
    |--S. margaritaceumG64
    |--S. monticulosumG64
    |--S. muricatumG64
    |--S. muticumG64
    |--S. nudibrachiatumP08
    |    |--S. n. var. nudibrachiatumP08
    |    `--S. n. var. victorienseP08
    |--S. orbiculareP08
    |    |--S. o. var. orbiculareP08
    |    `--S. o. var. germinosum Playfair 1908P08
    |         |--S. o. var. g. f. germinosumP08
    |         `--S. o. var. g. f. spinosa Playfair 1908P08
    |--S. paradoxum Meyen 1829M70
    |--S. parvulumP08
    |--S. patensP08
    |    |--S. p. var. patensP08
    |    |--S. p. var. coronatum Playfair 1908P08
    |    |    |--S. p. var. c. f. coronatumP08
    |    |    `--S. p. var. c. f. obesa Playfair 1908P08
    |    `--S. p. var. planktonicumP08
    |         |--S. p. var. p. f. planktonicumP08
    |         `--S. p. var. p. f. australica Playfair 1907P08
    |--S. pinqueMK00
    |--S. polymorphumG64
    |--S. pseudosebaldiP08
    |    |--S. p. var. pseudosebaldiP08
    |    |--S. p. var. pectinatum Playfair 1908P08
    |    `--S. p. var. planktonicum Playfair 1908 non S. patens var. planktonicumP08
    |--S. punctulatumG64
    |--S. pungensG64
    |--S. quadrangulareG64
    |--S. sebaldiP08
    |    |--S. s. var. sebaldiP08
    |    `--S. s. β altumP08
    |         |--S. s. β altum f. altumP08
    |         `--S. s. β altum f. pusilla Playfair 1908P08
    |--S. sexcostatumG64
    |--S. spinosumG64
    |--S. spongiosumG64
    |--S. sublaevispinumP08
    |--S. submonticulosumP08
    |--S. teliferumG64
    |--S. tetracerumP08
    |--S. tricorneG64
    |--S. tumidumG64
    |--S. vestitumH04
    `--S. volansP08

*Type species of generic name indicated


[G64] Gray, J. E. 1864. Handbook of British Water-weeds or Algae. R. Hardwicke: London.

[H04] Haeckel, E. 1899–1904. Kunstformen der Natur. Bibliographisches Institut: Leipzig und Wien.

[MK00] McCourt, R. M., K. G. Karol, J. Bell, K. M. Helm-Bychowski, A. Grajewska, M. F. Wojciechowski & R. W. Hoshaw. 2000. Phylogeny of the conjugating green algae (Zygnemophyceae) based on rbcL sequences. Journal of Phycology 36: 747–758.

[M70] Meel, L. van. 1970. Etudes limnologiques en Belgique. VI.—Les méandres de la Durme à Hamme (Province de Flandre Orientale). Bulletin de l’Institut Royal des Sciences Naturelles de Belgique 46 (13): 1–56.

[P08] Playfair, G. I. 1908. Some Sydney desmids. Proceedings of the Linnean Society of New South Wales 33: 603–628, pls 11–13.

[SG05] Sau, A., & R. K. Gupta. 2005. Algal flora of Indian Botanic Garden, Howrah, West Bengal. Bulletin of the Botanical Survey of India 47: 63–86.

Leave a comment

Your email address will not be published. Required fields are marked *