Helianthus tuberosus

Photo: Helianthus tuberosus.
Photo: Helianthus tuberosus 00.

Flowering stand. Annala, Helsinki, Finland. Planted. 1999-09-07.
Photo: Helianthus tuberosus 1.
Photo: Helianthus tuberosus 01.

Closeup of flower. Annala, Helsinki, Finland. Planted. 1999-09-07.
Photo: Helianthus tuberosus 2.
Photo: Helianthus tuberosus 02.

Tubers, dug up, still attached to their stalk. Annala, Helsinki, Finland. Picked. 2003-04-30.
Photo: Helianthus tuberosus 3.
Photo: Helianthus tuberosus 03.

Tubers, dug up. Annala, Helsinki, Finland. Picked. 2003-04-30.
Photo: Helianthus tuberosus 4.
Photo: Helianthus tuberosus 04.

Tubers, dug up, in a heap. Annala, Helsinki, Finland. Picked. 2003-04-30.
Photo: Helianthus tuberosus 5.
Photo: Helianthus tuberosus 05.

Flowering plants. Annala, Helsinki, Finland. Planted. 2003-09-20.
Photo: Helianthus tuberosus 6.
Photo: Helianthus tuberosus 06.

Flowers. Annala, Helsinki, Finland. Planted. 2003-09-20.
Photo: Helianthus tuberosus 7.
Photo: Helianthus tuberosus 07.

Flowering tops. Annala, Helsinki, Finland Planted. 2004-09-16.
Photo: Helianthus tuberosus 8.
Photo: Helianthus tuberosus 08.

Flowers. Annala, Helsinki, Finland Planted. 2004-09-16.
Photo: Helianthus tuberosus 9.
Photo: Helianthus tuberosus 09.

Flowers. Annala, Helsinki, Finland Planted. 2004-09-16.
Photo: Helianthus tuberosus 10.
Photo: Helianthus tuberosus 10.

Flower. Annala, Helsinki, Finland. Planted. 2010-09-17.
Photo: Helianthus tuberosus 11.
Photo: Helianthus tuberosus 11.

Flower stalks. Annala, Helsinki, Finland. Planted. 2010-09-17.
Photo: Helianthus tuberosus 12.
Photo: Helianthus tuberosus 12.

Flowers. Annala, Helsinki, Finland. Planted. 2010-09-17.
Photo: Helianthus tuberosus 13.
Photo: Helianthus tuberosus 13.

Flower. Annala, Helsinki, Finland. Planted. 2010-09-17.