Young leaf and seedpods. Annala, Helsinki, Finland. Planted. 2011-05-31.

Young seedpods. Annala, Helsinki, Finland. Planted. 2011-05-31.

Young seedpods. Annala, Helsinki, Finland. Planted. 2011-05-31.

Branch with green seeds. Annala, Helsinki, Finland. Planted. 2004-08-18.

Tree. Kew Garden, London, UK. Planted. 1995-08-01.

Flowers and young leaf. Annala, Helsinki, Finland. Planted. 2004-05-20.

Flowers and young leaf. Annala, Helsinki, Finland. Planted. 2004-05-20.

Branch in seed. Kokemäki, Finland. Planted. 2000-08-06.

Branch, with characteristic black leafbuds. Kew Garden, London, UK. Planted. 1995-08-01.

Snowy branch with seeds, still hanging on. Annala, Helsinki, Finland. Planted. 2004-11-21.

Tree in flower. Annala, Helsinki, Finland. Planted. 2004-05-20.

Branches in young leaf. Jussarö, Finland. Wild. 2006-07-02.

Large solitary tree. Jussarö, Finland. Wild. 2006-07-02.

Snowy branch with seeds, still hanging on. Annala, Helsinki, Finland. Planted. 2004-11-21.

A bunch of ripe seeds, still on its branch. Annala, Helsinki, Finland. Planted. 2004-11-08.

Bare tree with seeds still hanging on. Annala, Helsinki, Finland. Planted. 2004-11-08.

Bare branch, ripe seeds hanging on. Annala, Helsinki, Finland. Planted. 2004-11-08.

Ripe seeds with yellowing leaf. The leaves won't turn all that much more yellow before they fall, all in one night; the seeds will hang on through winter. Annala, Helsinki, Finland. Planted. 2004-10-07.

Ripe seeds with yellowing leaf, against the sun. Annala, Helsinki, Finland. Planted. 2004-10-07.

Green seeds. Annala, Helsinki, Finland. Planted. 2004-08-18.

Branch with green seeds. Annala, Helsinki, Finland. Planted. 2004-08-18.