Buxus vahlii

Buxus vahlii, or Vahl's boxwood, is a rare species of plant in the boxwood family. It is native to Puerto Rico and St. Croix in the U.S. Virgin Islands, where it is known from no more than four populations in total. It has probably never been very common, but its distribution has been reduced by deforestation and other human disturbance of its habitat. At the time it was listed as an endangered species of the United States in 1985, it was thought to be endemic to Puerto Rico. Reports that it existed in Jamaica have not been confirmed. A few individuals have been located in St. Croix, some of which are within Sandy Point National Wildlife Refuge. This is a shrub or small tree which can reach 5 meters in height. The stem has two grooves below each node, an identifying characteristic. Clusters of flowers yield fruits which are horned capsules containing black seeds. The two populations remaining in Puerto Rico total 40 to 85 individuals, none of which have been observed to successfully re......read more on Wikipedia.