What type of vegetation does Citharexylum and Cuminum have in common?
Cuminum Cuminum is a genus of four flowering plants in the family Apiaceae. The most significant is "Cuminum cyminum", source for the cumin seeds that are a popular spice.
Strophanthus courmontii Strophanthus courmontii grows as a deciduous liana up to 22 m long or as a shrub up to 4 m tall, with a stem diameter up to 10 cm . Its fragrant flowers feature a white turning red and purple corolla tube, yellow with purple streaks inside. Habitats are forests and riverine thickets, from sea-level to 1400 m altitude. "S. courmontii" is used in local medicinal treatments for rheumatism and as an aphrodisiac. The plant is native to Kenya, Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.