Which plant has more species, Microcachrys or Dichroa?
Dichroa Dichroa is a genus of 12 species of flowering plants in the family Hydrangeaceae, native to eastern and southeastern Asia. They are deciduous shrubs growing to 1-3 m tall, with their leaves arranged in opposite pairs. The flowers are produced in a broad inflorescence similar to that of the related genus "Hydrangea". The fruit is a glossy metallic purple-blue berry.
Dithyrea Dithyrea (shieldpod) is a small genus of flowering plants in the mustard family containing only one or two species. The California shieldpod or spectacle-pod, "Dithyrea californica", is an abundant and unique-looking herb native to the southwestern United States and northern Mexico. The beach shieldpod, "Dithyrea maritima", a rare plant found only on the coast of California and Baja California, is sometimes considered a subspecies of "D. californica".