1) Genus bessera 2) Liliid monocot genus 
Bessera is a genus of plants in the family Asparagaceae, subfamily Brodiaeoideae. A small genus of 3 species of mostly herbaceous flowering plants with corms, they are perennials endemic to Mexico. They have flowers with petals and petaloid sepals (tepals) with compound pistils. The genus is named for Austrian and Russian botanist Wilibald Swibert...
This is a half-hardy bulb that is found wild in Mexico. It has long, slender leaves and it produces scarlet flowers on 8-inch high stems in the summer.…
[n] - small genus of cormous perennials of Mexico
genus Bessera noun small genus of cormous perennials of Mexico; sometimes placed in family Alliaceae