W3C SVG

Virginia creeper styling

Wiring and styling of a Virginia creeper (Parthenocissus quinquefolia). ...

March 12, 2022 · Philippe

Virginia creeper from spring to fall

Here are pictures of a large Virginia creeper (Parthenocissus quinquefolia) over the last year. The plant was collected on a construction site and saved from an ineluctable death. ...

October 23, 2021 · Philippe

A programmed death

In fall the leaves are scorched by the sun, eaten by the insects and thorn by the wind. Their days are counted. Slowly the green pigments are overthrown by the red (anthocyans), orange (carotenoids) and yellow (xanthophyll) pigments. The tree is pumping its sugars and nutrients from the leaves using the osmosis mechanism. The anthocyans bring frost protection and enlighten our nordic species. In the coming days the tree will store the sugars in the soil and the starches in the living wood. Cellular death will reach the heart of the leaves and the stalk will soon be completely obstructed by a cork tissue. From this point the leaves will fall, leaving a separation mark on the branch. The leaves are sacrified for the promess of a new season. ...

September 19, 2021 · Philippe