Kaj Børge Vollesen

Chorisochora is a genus of flowering plants belonging to the family Acanthaceae. Its native range is Socotra, Southern Africa. Species: Chorisochora chascanoides Thulin & I.Darbysh. Chorisochora minor (Balf.f.) Vollesen Chorisochora striata (Balf.f.) Vollesen Chorisochora transvaalensis (A.Meeuse) Vollesen

Commiphora kua, sometimes known as Abyssinian myrrh or the Yemen myrrh, is a plant native to northeast Africa and the Arabian Peninsula, including Djibouti, Eritrea, Ethiopia, Zambia, Malawi, Oman and Yemen. It was first described as Balsamodendrum kua in 1847, and has many botanical synonyms. It can be recognised by its simple, serrate leaves and by the pseudo aril, covering the seed, which has four almost linear arm-like lobes.

Boswellia ogadensis is a species of plant in the Burseraceae family. It is endemic to Ethiopia.

Ecbolium ligustrinum, also known as green ice crossandra, green shrimp plant, and turquoise crossandra, is a species of flowering plant in the family Acanthaceae, native to eastern Africa, where it occurs in woodland, bushland, and savanna habitats. It is a perennial shrub or subshrub and a member of the genus Ecbolium, which is characterized by showy, tubular flowers and capsular fruits.

Cynarospermum asperrimum is a species of flowering plant belonging to the family Acanthaceae. It is a subshrub endemic to the Western Ghats of western India. It is the sole species in genus Cynarospermum. Cynarospermum asperrimum is a scrambling or trailing perennial herb, with multiple branches and stems up to 1 meter long. Stems can root in contact with soil. It flowers during the monsoon and post-monsoon season, and attracts several species of butterflies for pollination. It is locally common in the foothills and hill ranges of the Western Ghats in southern Gujarat, Maharashtra, Goa, and

Cynarospermum asperrimum is a species of flowering plant belonging to the family Acanthaceae. It is a subshrub endemic to the Western Ghats of western India. It is the sole species in genus Cynarospermum. Cynarospermum asperrimum is a scrambling or trailing perennial herb, with multiple branches and stems up to 1 meter long. Stems can root in contact with soil. It flowers during the monsoon and post-monsoon season, and attracts several species of butterflies for pollination. It is locally common in the foothills and hill ranges of the Western Ghats in southern Gujarat, Maharashtra, Goa, and

Acanthus austromontanus is a species of flowering plant in the genus of Acanthus. It is native to southwestern Tanzania and typically exists as a shrub.

Trichaulax mwasumbii is a species of flowering plant belonging to the family Acanthaceae. It is a subshrub native to Kenya and Tanzania. It is the sole species in genus Trichaulax.

Pleioceras orientale is a species of plant in the family Apocynaceae. It is native to Kenya and Tanzania. The species is assessed as endangered on the IUCN Red List due to its being cleared to make way for agriculture.

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Acanthus kulalensis is a species of flowering plant in the genus of Acanthus. It is native to North Kenya and grows primarily in seasonal dry tropical biome.

Trichaulax mwasumbii is a species of flowering plant belonging to the family Acanthaceae. It is a subshrub native to Kenya and Tanzania. It is the sole species in genus Trichaulax.

Tinnea barbata, commonly called the blue sunbell, is a species of flowering plant in the family Lamiaceae. It is found in South Africa and Eswatini.

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Justicia leucoxiphus is a species of plant in the family Acanthaceae. It is endemic to Cameroon. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Ichthyostoma thulinii is a species of flowering plant in the family Acanthaceae. It is a shrub native to southeastern Ethiopia and south-central Somalia, where it grows in desert and dry shrubland. It is the sole species in genus Ichthyostoma.

Ichthyostoma thulinii is a species of flowering plant in the family Acanthaceae. It is a shrub native to southeastern Ethiopia and south-central Somalia, where it grows in desert and dry shrubland. It is the sole species in genus Ichthyostoma.

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