Plant of the Week – 13th Dec 2016

Lagarosiphon major – Curly Waterweed

Other common name: Curly water thyme

Family: Hydrocharitaceae

Genus: Lagarosiphon are semi-evergreen, submerged aquatic perennials forming a cluster of branched stems clothed in spirally arranged, linear-lanceolate leaves, and tiny white or pink flowers in summer.

Details: All plants in GB are female; all dispersal must therefore be by vegetative means and is likely to be by fragments. Curly waterweed is widely naturalised and invasive throughout southern GB, becoming scattered further north.


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