Amaranthus blitum, commonly called purple amaranth or Guernsey pigweed, is an annual plant species in the economically important plant family Amaranthaceae.
Amaranthus viridis is a cosmopolitan species in the botanical family Amaranthaceae and is commonly known as slender amaranth or green amaranth.
Amaranthus retroflexus is a species of flowering plant in the family Amaranthaceae with several common names, including red-root amaranth, redroot pigweed, red-rooted pigweed, common amaranth, pigweed amaranth, and common tumbleweed.
Amaranthus thunbergii, commonly known as Thunberg's amaranthus or Thunberg's pigweed, is found in Africa.
Amaranthus palmeri is a species of edible flowering plant in the amaranth genus. It has several common names, including carelessweed, dioecious amaranth, Palmer's amaranth, Palmer amaranth, and Palmer's pigweed.
Amaranthus cruentus is a flowering plant species that is native from Central Mexico to Nicaragua. It yields a nutritious staple amaranth grain, being one of three Amaranthus species cultivated as a grain source, the other two being Amaranthus hypochondriacus and Amaranthus caudatus. It has several common names, including blood amaranth, red amaranth, purple amaranth, prince's feather, and Mexican grain amaranth.
Grewia villosa is a shrub, often scrambling and hardly exceeding 4 m in height. Leaves are fairly large, serrated and heart-shaped. It grows naturally, mainly in dry habitats. It is common in most of the semi-arid parts of Eastern Africa but may now be rare in parts of its natural distribution. It can be seen in Ein Gedi oasis in Israel, and in South Africa, where it is common. Its ripe copper-coloured fruits are eaten in East Africa.
Species belonging to the genus Amaranthus have been cultivated for their grains for 8,000 years. Amaranth plants are classified as pseudocereals that are grown for their edible starchy seeds, but they are not in the same botanical family as true cereals, such as wheat and rice. Amaranth species that are still used as a grain are Amaranthus caudatus L., Amaranthus cruentus L., and Amaranthus hypochondriacus L. The yield of grain amaranth is comparable to that of rice or maize.
Ipomoea pes-caprae, also known as bayhops, bay-hops, beach morning glory, railroad vine, or goat's foot, is a common pantropical creeping vine belonging to the family Convolvulaceae. It grows on the upper parts of beaches and endures salted air. It is one of the most common and most widely distributed salt tolerant plants and provides one of the best known examples of oceanic dispersal. Its seeds float and are unaffected by salt water.
Blepharis dhofarensis is a species of plant in the family Acanthaceae. It is a shrub that grows to around 5m tall and is found in Oman and Yemen. Blepharis dhofarensis grows on wet escarpment woodlands and it prefers dense thickets on steep slopes. It is threatened by habitat loss. Recent molecular work has placed it in the genus Acanthus instead of Blepharis.
Ruttya fruticosa, also known as jammy mouth or jêmbekkie, is a shrub which is native to Africa. It can be found in South Somalia to Tanzania and in the woodlands of Dhofar, Oman. The name Ruttya was named in honour of Dr John Rutty and fruticosa means shrubby and refers to the habit of the plant.
Moringa peregrina is a species of flowering plant in the family Moringaceae that is native to the Horn of Africa, Sudan, Egypt, the Arabian Peninsula, and as far north as Syria. It grows on rocky wadis and on cliffs in drier areas.
Withania qaraitica is a shrubby and perennial herb up to one metre tall with bright orange-red seeds patterned with honeycomb-like markings, pale yellowish brown. It has only been found in Dhofar, but may occur in wet woodlands over the border in south Yemen. It is closely related to two species, Withania adunenis and W. riebeckii. Withania qaraitica occurs commonly in the wet woodlands however can be found around settlements where they have frequently been transplanted.
Hypoestes forskaolii is an annual or perennial herb that grows up to 1 m tall with its stem and leaves being nearly glabrous. It has pale pink or white flowers.
Pancratium maximum is a perennial glabrous herb that grows up to 30 cm tall arising from a bulb. It is endemic to south western Arabia.
Kleinia odora is found in Ethiopia, Somalia, Yemen and Saudi Arabia. It is distinguished by having succulent stems or leaves. It is common in low dry hills along coastal plains. It forms large clumps bearing dense clusters of cream or whitish flowers on the tips of the pencil-like stems.
Senna holosericea is a perennial herb with yellow flowers that is native to the Arabian Peninsula, Chad, Djibouti, Egypt, Eritrea, Ethiopia, India, Pakistan, Socotra, Somalia and Sudan.
Cyphostemma ternatum is a perennial climbing herb that grows up to 2m. It is edible and distributed throughout Northeast Africa to South Arabia. ternatum in Latin means "arranged in threes" and alludes to the arrangement of the leaves.
Remusatia vivipara also called hitchhiker elephant ear is a perennial herb growing up to 50 cm tall in the genus Remusatia. It is widespread throughout the world, growing in temperate climates.
Plumbago arabica is a species of flowering plant in the genus Plumbago. It is a subshrub native to western and central India and to Oman and the United Arab Emirates in the southeastern Arabian Peninsula, where it grows in deserts and dry shrublands.
