Paracalyx balfourii is a species of legume in the family Fabaceae. It is found only in Yemen. Its natural habitats are subtropical or tropical dry forests and rocky areas.
Helichrysum balfourii is a species of flowering plant in the family Asteraceae. It is found only in Yemen. Its natural habitat is subtropical or tropical dry forests.
Hypericum acostanum is a species of flowering plant in the family Hypericaceae. It is endemic to Ecuador, where it is known only from Loja.
Hypericum asplundii is a species of flowering plant in the family Hypericaceae. It is endemic to Ecuador, where it is known from a single collection made outside of Machachi.
Hypericum fieriense is a species of flowering plant in the St. John's wort family Hypericaceae. It is endemic to Socotra, an island archipelago that is part of Yemen. It grows in mountain shrubland dominated by Cephalocroton, where it can be found with the endemic tree Dracaena cinnabari. It is rarer than other local shrubby Hypericum species. It can be distinguished from them by its pubescent herbage.
Hypericum gnidiifolium is a species of flowering plant in the family Hypericaceae. It is endemic to Ethiopia, where it has been observed at only two locations. It grows next to streams.
Hypericum hartwegii is a species of flowering plant, a shrub in the St. John's wort family Hypericaceae. It is endemic to Ecuador. It was collected twice in 1841 in Loja Province, and it has not been seen since.
Hypericum llanganaticum is a species of shrub in the family Hypericaceae. It is endemic to Ecuador. It grows in the Andes at elevations between 3000 and 4500 meters. Most collections have been made in Parque Nacional Llanganates.
Hypericum maguirei is a species of shrub in the family Hypericaceae. It is endemic to Ecuador, where it grows in the páramo of the Andes. It occurs at elevations between 2000 and 4000 meters.
Hypericum matangense is a species of shrub in the family Hypericaceae. It is endemic to Ecuador. It has only been collected once, on the páramos of the Andes in 1980.
Hypericum prietoi is a species of shrub in the family Hypericaceae. It is endemic to Ecuador, where it has only been collected once, in 1945.
Hypericum quitense is a species of flowering plant in the family Hypericaceae. It is endemic to Ecuador. Its occurs in several types of habitats at elevations between 2,000 and 4,050 meters in the Andes.
Hypericum scopulorum is a species of flowering plant in the family Hypericaceae. It is endemic to Socotra, an island archipelago that is part of Yemen. It is a common plant in shrubland habitat, and it is a dominant species in some areas along with Cephalocroton and another local endemic, Helichrysum rosulatum.
Hypericum socotranum is a species of flowering plant in the Hypericaceae family which is endemic to the island of Socotra in Yemen. Its natural habitats are subtropical or tropical dry forests and rocky areas.
Hypericum tortuosum is a species of flowering plant in the genus Hypericum. It is found only in Socotra, Yemen, where it is endemic. The species is an apomorphic relative of the other Socotran species in Hypericum sect. Triadenioides and is most closely related to Hypericum scopulorum. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland.
Eureiandra balfourii is a species of plant in the family Cucurbitaceae. It is endemic to Yemen. Its natural habitat is subtropical or tropical dry forests.
Oldenlandia balfourii is a species of plant in the family Rubiaceae. It is endemic to Yemen. Its natural habitat is subtropical or tropical dry forests.
Pandanus balfourii, also known as Vakwa bordmer, is a species of plant in the family Pandanaceae, one of four Pandanus species that are endemic to the Seychelles.
Polycarpaea balfourii is a species of plant in the family Caryophyllaceae. It is endemic to Yemen. Its natural habitats are subtropical or tropical dry shrubland and rocky areas.
Hypericum fissurale, known as cracked St. John's wort, is a flowering plant in the St. Johns's wort family (Hypericaceae) endemic to northeastern Turkey. It is considered critically endangered on the IUCN Red List due to its very limited distribution and declining population. It was first formally named by Jurij Nikolaewitch Woronow in 1912. It is a small perennial herb in the section Hypericum sect. Taeniocarpium, reaching around 22 cm (8.7 in) in height. Like most Hypericum species, it has flowers with five yellow petals and numerous stamens. Hypericum fissurale is closely related to Hypericum armenum.
