Genus with just under 100 species of herbaceous plant or subshrubs adapted to arid and semi-arid climates. They have strong, sometimes tuberous rootstocks and foliage divided into 3 leaflets. Flowers are yellow, 2-lipped and pea-like, becoming more orange-brown (russet) and veined with time, some species have hairy petals. These are arranged on branched stems. The centre of diversity for this genus lies in South Africa, with around 47 species found there and 3 in Madagascar, with the rest spread across Southern Asia. This genus lies in the Fabaceae (Fabaceae) family of legumes, peas and beans.
Special features of Argyrolobium
Can survive for long periods without water.
Other uses of Argyrolobium
Forms attractive, dense carpet covering.