What type of vegetation does Citharexylum and Cuminum have in common?
Citharexylum Citharexylum is a genus of flowering plants in the verbena family, Verbenaceae. It contains shrub and tree species commonly known as fiddlewoods or zitherwoods. They are native to the Americas, ranging from southern Florida and Texas in the United States to Argentina. The highest diversity occurs in Mexico and the Andes. The generic name is derived from the Greek words κιθάρα ("kithara"), meaning "lyre", and ξύλον ("xylon"), meaning "wood," referring to the use of the wood in the sounding boards of string instruments. Several species, especially "C. caudatum" and "C. spinosum", are cultivated as ornamentals.
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.