Question: Which has more species, Ecballium or Brownea?

Context paragraphs:
Brownea coccinea: Brownea coccinea is a species in the subfamily Caesalpinioideae of the family Fabaceae.  Common names include Scarlet Flame Bean, Mountain Rose, Rose of Venezuela and Cooper Hoop.

Brownea santanderensis: Brownea santanderensis is a species of legume in the Fabaceae family.

Brownea grandiceps: Brownea grandiceps is a species of tree in the family Fabaceae.  Its common names include the rose of Venezuela and the scarlet flame bean.  It originated in South America but is now widely grown as a decorative tree in tropical gardens.

Ecballium: Ecballium is a genus of flowering plants in the family Cucurbitaceae containing a single species, Ecballium elaterium, also called the squirting cucumber or exploding cucumber (but not to be confused with "Cyclanthera explodens").  It gets its unusual name from the fact that, when ripe, it squirts a stream of mucilaginous liquid containing its seeds, which can be seen with the naked eye.  It is thus considered to have rapid plant movement.

Brownea: Brownea is a genus of about 30 species in the family Fabaceae, subfamily Detarioideae.  The genus is native to tropical regions of the Americas.  The species are shrubs and trees growing to 20 m tall.

Supporting paragraphs: Ecballium Brownea
Answer: Brownea