Plumbago pendula is a species of flowering plant in the genus Plumbago. It is a shrub or tree endemic to north-central Socotra, an island which is part of Yemen. It grows in dry deciduous montane woodland and shrubland, often on cliffs, from 600 to 1,000 meters elevation. Trees are generally scattered and solitary, and the species has a limited range. It is assessed as vulnerable by the IUCN.
Zygocarpum caeruleum is a species of flowering plant in the family Fabaceae. It is a shrub or tree endemic to Socotra in Yemen. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland.
Hibiscus malacophyllus is a species of flowering plant in the family Malvaceae. It endemic to the island of Socotra in Yemen, where it grows in drought-deciduous woodland and succulent shrubland on limestone from 100 to 600 metres elevation.
Hibiscus quattenensis is a species of flowering plant in the genus Hibiscus, in the family Malvaceae. It is endemic to the island of Socotra in Yemen. It is common on the coastal plains and dry limestone foothills and plateaus of southwestern Socotra from sea level to 600 metres elevation, where it grows in Croton socotranus shrubland and succulent shrubland.
Lepturus calcareus is a species of grass in the family Poaceae. It is a perennial endemic to the island of Socotra in Yemen. It grows in succulent shrubland and drought-deciduous woodland and along wadis from 100 to 600 metres elevation.
Lepturus pulchellus is a species of grass in the family Poaceae. It is a perennial endemic to the islands of Socotra and Samhah in Yemen's Socotra Archipelago. It grows in coastal dwarf shrubland on Socotra, and in desertic foothills on Samhah, from 10 to 200 metres elevation.
Panicum rigidum is a species of grass in the family Poaceae. It is a perennial endemic to the islands of Socotra, Samhah, and Abd al Kuri in the Socotra Archipelago, located off the coast of east Africa and politically part of Yemen. It grows in dwarf shrubland and woody-herb communities on desertic plains and rocky slopes from sea level to 600 metres elevation.
Leucas virgata is a species of flowering plant in the family Lamiaceae. It is endemic to the island of Socotra in Yemen. It is common and widespread in open shrubland and drought-deciduous woodland on the island's limestone plateaus from 100 to 700 metres elevation.
Ballochia atrovirgata is a species of plant in the family Acanthaceae. It is endemic to the island of Socotra in Yemen. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical dry shrubland, and subtropical or tropical dry lowland grassland.
Dirichletia obovata, synonym Carphalea obovata, is a species of plant in the family Rubiaceae. It is a shrub endemic to Socotra. It has small pink or lilac flowers, and has a distinctive asymmetric wing-like calyx which gradually expands to hide the developing fruit. It is locally common in montane woodland and along wadis at lower elevations, from 100–1,100 metres elevation.
Lasiosiphon socotranus is a species of plant in the Thymelaeaceae family. It is a shrub endemic to the island of Socotra in Yemen. It is abundant in semi-deciduous woodland and shrubland on the island's western limestone plateaus and at the summit of the eastern limestone escarpment, and dominant in woodland in the northern wadis of the Hajhir Mountains, from 300 to 800 metres elevation.
Kohautia socotrana is a species of plant in the family Rubiaceae. It is a subshrub endemic to Socotra island of Yemen, off the coast of Africa. It is widespread in lower-elevation shrublands and woodlands, including windswept grassland and shrubland on coastal plains and limestone plateaus, deciduous woodland in wadis, and semi-deciduous woodland on limestone plateaus, from sea level to 600 metres elevation.
Limonium sokotranum is a species of plant in the family Plumbaginaceae. It is a subshrub or shrub endemic to Yemen's Socotra Archipelago, where it is native to the islands of Socotra, Samhah, and Abd al Kuri. Its grows in coastal dwarf shrubland and inland cliffs and rocky areas from sea-level to 550 metres elevation.
Oldenlandia pulvinata is a species of plant in the family Rubiaceae. It is a cushion-forming subshrub endemic to the islands of Socotra, Abd al Kuri, and Samhah in Yemen's Socotra Archipelago. It is widespread in shrubland and in rocky areas on plains and limestone plateaus from sea level to 800 metres elevation.
Priva socotrana is a species of plant in the family Verbenaceae. It is a subshrub endemic to the islands of Socotra and Samhah in Yemen's Socotra Archipelago. It is common and widespread in dry shrublands and woodlands on limestone escarpments and plateaus from 50 to 950 metres elevation.
Spiniluma discolor is a species of plant in the family Sapotaceae. It is endemic to the Hajhir Mountains on the island of Socotra in Yemen. It is uncommon in dense montane woodland from 600 to 1,000 metres elevation.
Withania adunensis is a species of plant in the family Solanaceae. It is a shrub endemic to the island of Socotra in Yemen. It is widespread in succulent shrubland and drought deciduous woodland from sea level to 650 metres elevation.
Withania riebeckii is a species of plant in the family Solanaceae. It is endemic to the islands of Socotra and Samhah in Yemen's Socotra Archipelago. It is widespread in succulent shrubland and drought deciduous woodland from sea-level to 800 metres elevation.
Plocama putorioides is a species of flowering plant in the family Rubiaceae. It is subshrub endemic to the central and eastern Hajhir Mountains on island of Socotra in Yemen. It grows in low montane evergreen shrubland on granite from 900 to 1,550 metres elevation.
Plocama thymoides is a species of flowering plant in the family Rubiaceae. It is a subshrub or shrub endemic to the island of Socotra in Yemen. It grows in semi-deciduous woodland on the limestone plateau and escarpment above Qalansiyah in northwestern Socotra from 350 to 700 metres elevation. It is listed as an endangered species by the IUCN under the basionym Gaillonia thymoides.
