Bessera is a genus of Mexican plants in the cluster lily subfamily within the asparagus family.Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. Continental Publishing, Deurne. It is a small genus of 5 known species of mostly herbaceous flowering plants with corms.Kew World Checklist of Selected Plant Families They have flowers with petals and petaloid sepals (tepals) with compound pistils.
The genus is named for Austrian and Russian botanist Wilibald Swibert Joseph Gottlieb von Besser (1784–1842).
Bessera elegans, called coral drops, is cultivated and is a half-hardy Mexican herbaceous plant growing from corms with drooping terminal umbels of showy red-and-white colored flowers.
Taxonomy Species Plants of the World Online currently accepts four species: Bessera elegans Schult.f. — central to southern Mexico. Bessera elegantissima E.Gándara, Ortiz-Brunel, Art.Castro & Ruiz-Sanchez Bessera ramirezii E.Gándara, Ortiz-Brunel, Art.Castro & Ruiz-Sanchez Bessera tuitensis R.Delgad. — Jalisco state in coastal southwestern Mexico.
Former species Some species formerly placed in Bessera have been reclassified to other genera, including Androstephium, Drypetes, Flueggea, Guapira, and Pulmonaria. Former species include: Bessera azurea — Pulmonaria angustifolia Bessera breviflora — Androstephium breviflorum Bessera calycantha — Guapira opposita Bessera inermis — Flueggea virosa Bessera spinosa — Drypetes alba Bessera tenuiflora (Greene) J.F.Macbr. — Behria tenuiflora
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