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'''''Sansevieria cylindrica''''', also known as the '''Cylindrical Snake Plant''', '''African Spear''' or '''Spear Sansevieria''',<ref name="CalCactus"> {{cite web| last =Thongthiraj | first =Rahpee | title =Get Inspired with Sansevierias: The Perfect Solution for Your Home Garden | work = | publisher = California Cactus Center | date = | url =http://www.cactuscenter.com/sansevieriacylindrica.htm | accessdate =2008-04-02 }}</ref> is a [[Succulent plant|succulent]] [[plant]] native to [[Angola]]. ''S. cylindrica'' has striped, round leaves that are smooth and a green-gray color. A single leaf is about {{convert|3|cm|in|0|abbr=on}} thick and grows to a height between {{convert|1|m|ft|0|abbr=on}} and {{convert|2|m|ft|0|abbr=on}}.<ref name="CalCactus"/> The Spear Sansevieria grows fan-shaped, with its stiff leaves growing from a basal [[Rosette (botany)|rosette]]. The species is interesting in having rounded instead of strap-shaped leaves caused by a failure to [[gene expression|express genes]] which would cause the cylindrical bud to differentiate dorsoventrally or produce a distinctive and familiar top and bottom surface to the leaf blade.<ref name="CalCactus"/><ref name="PlantOfWeek"/> The plant blooms once a year in the spring or mid-summer,<ref name="Dave"> {{cite web| title =PlantFiles: Spear Sansevieria | work =PlantFiles | publisher =Dave’s Garden | url = http://davesgarden.com/guides/pf/go/55408/ | accessdate =2008-04-02 }}</ref> producing {{convert|3|cm|in|0|abbr=on}} greenish-white tubular flowers tinged with pink.<ref name="PlantOfWeek"> {{cite web| last =Lemke | first =Cal| title =Sanseviera cylindrica | work = Plant of the Week| publisher = University of Oklahoma Department of Biology and Microbiology| date =2002-01-25 | url = http://www.plantoftheweek.org/week160.shtml | accessdate =2008-04-02 }}</ref> The species is drought-tolerant and in captivity needs [[water]] only about once every other week during the breeding season.<ref name="PlantOfWeek"/> The species was described by [[Wenceslas Bojer]] in 1837. ''Sansevieria cylindrica'' received its name from a competition in a Dutch national newspaper.<ref name="CalCactus"/> It is popular as an ornamental plant<ref name="CalCactus"/> as it is easy to culture and take care of in a home.<ref name="PlantOfWeek"/> {{Inc| Sansevieria cylindrica, Bojer. Lvs. often 3-4 ft. long, 8-10 in a tuft, terete, solid within, dark green, often banded with paler lines, acuminate, occasionally furrowed: scape with infl. shorter than the lvs.: raceme about 1 ft. long; fls. creamy white, tinged with pink. Trop. Afr. }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== ==Gallery== <gallery perrow=5> File:Spear Sansevieria1.jpg File:Sansevieracylindrica.jpg Image:Upload.png| photo 3 </gallery> ==References== {{reflist}} *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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