The graceful long-stemmed species pelargoniums can look just as stunning as any hybrid or cultivar with their long elegant flowers stalks which holds the beautiful delicate flowers and the dainty long leaf stalks that display their aromatic or decorative leaves.
P. capillare is a lovely pelargonium species with very thin petioles which are about 2-6 cm in length. The name Capillare means like thread, most likely because of its very thin leaf stems. The flowers are reddish-pink with raised patches of dark red on the upper petals also with markings of red on both the lower & upper petals, the underside is also darker in colour. This plant shows some similarities to P. tricolor but its leaves are more deeply divided and the flowers differ slightly. It is native to the South Western Cape of South Africa where it grows on mountainsides.
Pelargonium tenuicaule has long spreading rambling stems with five shallow toothed circular leaves. The flowers are cream when they first open but change to white with a dark purple smudge on every petal, The two upper petals are rounded and cupped. This plant can over time look rather bedraggled in appearance, it is native to Namibia and Namaqualand where it grows in rocky places.
Pelargonium spinosum has an unusual spine like petioles, believed to be hard debris from the continuous petioles which give it the appearance of thorns. The leaves are heart-shaped with coarse teeth and are somewhat pungent scented, they also vary in size depending on where they grow on the plant. The smaller leaves are visible on the shorter stems, while the larger are visible on the continuous petioles. The flowers are long ovate large light pink to white in colour with purple veins. It is native to the North-Western Cape and Namibia.
Pelargonium echinatum is another exquisite species, with woody spiny stems and long petioles. The leaves are grey-green ovate with 3-5 shallow lobes. The flowers are usually white but in their native habitat, pink and purple types also exist, followed by a deep red smudge on the upper petals. It is native to Northern Western areas of the Cape in dry conditions and sheltered by rocks or other shrubs, there are a few hybrid forms of this plant such as P. ‘miss Stapleton’.
Pelargonium plurisectum is a low growing shrub with thin branching stems which create a zigzag effect. The leaves are rounded and are divided into five toothed leaflets. The flowers are large orangy red or scarlet in colour with darker markings, to which the lower petals are slightly smaller than the upper petals. It has been discovered growing in Ethiopia and remains dormant for many months, it can also withstand cold conditions more than any other pelargonium.
P. longicaule-has long elegant flower stems with pale pink flowers and dark green deeply divided leaves known as the butterfly bush.
P. australe- long branching stems with ovate leaves and up to 12 white flowers native to Australia
P. grossulariodes- long reddish stems with fruit scented kidney shaped leaves and small reddish purple flowers.
P. Capitatum- long spreading branches with rose scented leaves.
More info about pelargonium at https://www.pelargoniumspeciesworld.com/page13.html