Hairy shrub to 2 m tall. Leaves to about 5 cm long and wide, divided into 5 toothed lobes, sometimes cut as far as the midrib, velvet-hairy, base cordate, long-stalked, lemonscented. Flower clusters of up to 6 flowers. Flowers purple-pink, marked with dark purple. [P. citriodorum hort., P. ×citriodorum Schrank, P.×citrosum T. Sprague]
This is a Scented-leaf Pelargonium.
S Africa (Cape)
A species recently separated from P. scabrum and recognised by its larger flowers with flower stalks longer than the hypanthium.
Source: (2002). Pelargonium. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.
Pelargonium citronellum 'Mabel Grey'
Upright, woody plant. Flowers single, purple. Leaves with exceptionally strong citron scent, intermediate between lemon and lime, possibly the strongest-smelling of all the scented-leaf pelargoniums. Int. from Kenya in 1960.
Pelargonium citronellum 'Prince Of Orange'
Flowers relatively large and numerous. Leaves orange-scented when crushed. An old cultivar, first listed in 1880. ['William of Orange']