Tylecodon leucothrix is a species of "Tylecodon" native to Eastern Little Karoo in South Africa. It was first described in by Toelken in 1978. Flowers. Its flowers grow on a short stick, and are like many "Tylecodon" flowers. They have tubular flowers, usually white or pink, and the flowers have petals that bend outwards. Description of the plant. "Tylecodon leucothrix" is a caudiciform plant with fuzzy leaves. This plant goes dormant in the summer and has pentucles that are slightly sharp, likely to discourage herbivores.