Exostema glaberrimum

Exostema glaberrimum
Preserved specimen of Exostema glaberrimum, consisting of a stem with orangeish-green leaves
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Exostema
Species:
E. glaberrimum
Binomial name
Exostema glaberrimum
Borhidi & M.Fernández

Exostema glaberrimum is a species of flowering plant in the family Rubiaceae. It is a shrub or tree native to Cuba. The species was described in 1989, and is listed as Critically Endangered by the IUCN.

Taxonomy

The species was described by Attila Borhidi and Mayra Fernández in 1989.

Distribution

Exostema glaberrimum is native to the wet tropical biome of Cuba. It has an estimated extent of occurrence of 4 square kilometres (1.5 sq mi). The species grows in rocky areas.

Description

Exostema glaberrimum is a shrub or tree.

Conservation

In 2022, the IUCN assessed Exostema glaberrimum as Critically Endangered.

References

  1. 1 2 3 Oviedo, R.; Torres, E. (2024). "Exostema glaberrimum". IUCN Red List of Threatened Species (in Spanish). 2024 e.T240913761A240917339. doi:10.2305/IUCN.UK.2024-2.RLTS.T240913761A240917339.es. Retrieved 2026-07-21.
  2. ↑ "Exostema glaberrimum Borhidi & M.Fernández". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens.
  3. 1 2 "Exostema glaberrimum". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2026-07-21.