Monday 26 October 2015

Lagarosiphon major (Curly Waterweed)

LOCATION: Bridgeford Building, University of Manchester

The Lagarosiphon was found almost fully submerged in the pond in courtyard of Bridgeford building on University of Manchester campus. The water it was growing in seemed clean, however I found some litter and a plastic foil tangled in Lagarosiphon. It is a semi-evergreen, submerged aquatic perrenial forming a cluster of branches covered with spirally arranged linear leaves. The plant develops white or pink flowers during summer. It can grow both in sheltered and exposed locations. The plant grows up to 10cm high and spreads 50cm-1m wide.

Lagarosiphon major is a native to South Africa and was brought over to the UK, ofter it is considered to be an invasive species. It survives over-winter in southern areas of the UK. Further north, the amount of plant material present over-winter decreases but rarely dies down completely.

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