Heracleum is a genus of about 60 species (depending on taxonomic interpretation) of biennial and perennial herbs in the carrot family Apiaceae.
 They are found throughout the temperate northern hemisphere and in high mountains as far south as Ethiopia.
 Common names for the genus or its species include hogweed and cow parsnip.
Physalis coztomatl is a species of "Physalis" genus of plants.
 It produces edible orange-yellow fruits, but is rarely cultivated.
 The leaves are oval-shaped.
 It is native to South America; the Aztecs used it medicinally.
 It contains labdane diterpenes, and was the first species in "Physalis" in which they were found.
Physalis ( , sometimes , from "physalis" = bladder ) is a genus of flowering plants in the nightshade family (Solanaceae), which grow in warm temperate and subtropical regions of the world.
 Most of the species, of which there may be 75-90, are indigenous to the New World.
 Cultivated species and weedy annuals have been introduced worldwide.
 A notable feature is the formation of a large papery husk derived from the calyx, which partly or fully encloses the fruit.
 The fruit is small and orange, similar in size, shape and structure to a small tomato.
Physalis peruviana, a plant species of the genus "Physalis", is originally from Peru.
 The plant and its fruit are most commonly known as Cape gooseberry (South Africa, UK, Australia, New Zealand), or Physalis.

Question: Which genus, Physalis or Heracleum, has more species?
Answer: Physalis