Potato on rough ground, Lancaster
Side view of flower
Close-up of stigma
Close-up of stamens
- short filaments and long anthers
Leaves and berries
Tubers - taken seriously!
June to September
Potatoes are grown as a crop throughout the country.
Escapes are also found countrywide but are less common
in the North.
For a map see the National Biodiversity Network Gateway
It is a neophyte, which was introduced from South America
in the 1590s.
It has been known in the wild since the early 1900s.
The escape is mainly a casual of relatively short persistence.
However, if tubers form, populations can become naturalised
and persist. In Dorset they have been known to persist for over
Escapes are found in relic arable ground, waste ground, rubbish
tips and on sandy and shingle beaches.
Potato is an introduced, rhizomatous, tuberous herb growing
up to 75cm.
The flowers are up to 2cm with 5 white or purple petals.
There are 5 prominent stamens with the anthers much longer
than the filaments.
The anthers are yellow and form a yellow cone.
The stigma is capitate.
Fruits are many seeded berries. They resemble tomatoes and are
green turning to purple.
Leaves are dark green and in pairs.
The tubers are persistent and enable growth in the following year.
There is an excellent article on the history, growth and uses of
potatoes on this link to Wikipedia.
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