P. pulverulentum

There are several varieties of this summergrowing species from the section Polyactium.
P. pulverulentum
P. pulverulentum starts growing early in the season from the tubers/stems.
P. pulverulentum
P. pulverulentum
P. pulverulentum
P. pulverulentum
And usually flowers in the middle of the summer.
P. pulverulentum means powdery-white.
The powder on the leaves appears after blooming.
P. pulverulentum
Dormant in the winter.

Photo © Edgar

P. cotyledonis

Pelargonium species from the island St. Helana in the southern Atlantic.
Unique in its section Isopetalum.
P. cotyledonis
P. cotyledonis
Its local name is ‘Old father live forever’ or ‘Old man live forever’.
The leaves usually fall off before the flowering starts.
P. cotyledonis
P. cotyledonis
P. cotyledonis is the only pelargonium with regular shaped petals.
P. cotyledonis

photo © Edgar

P. tomentosum

P. tomentosum is in the section Pelargonium. It has small white flowers. The leaves are big with strong peppermint scent. The leaves are covered with small hairs and are very soft to touch. The name also means “hairy”.
This species is wide-spreading and thrives in semi-shade.

P. tomentosum
P. tomentosum
P. tomentosum

P. tomentosumP. tomentosum

P. gibbosum

P. gibbosum has night-scented flowers and is the only stem-succulent in the section Polyactium.
It is winter-growing and drops it’s leaves under warm and dry conditions.

P. gibbosum

P. gibbosum

The name means gibbous and refers to the swollen stems at the nodes.

P. gibbosum

P. triste

P. triste is a species in the section Polyactium.
It has night scented flowers and is winter growing.
There are variations of this species. Flowers from white to more yellow-brownish with smaller or larger blotches. The leaves varies in how finely divided they are.
This plant is grown from seed.

P. triste
P. tristeP. tristeP. triste
P. tristeP. triste