Wilhelm Vatke

Canarina canariensis is a species of flowering plant in the bellflower family Campanulaceae, commonly known as the Canary Island bellflower, and known locally as bicácaro.

Psychotria capensis, the bird-berry, is a southern African evergreen shrub or small tree. It belongs to a genus which is used medicinally in many regions, 'Psychotria' being from the Greek for 'rejuvenating', in reference to the healing properties of certain species. Kew lists some 2,000 species of Psychotria growing throughout the warmer regions of both hemispheres, but only two of them occur in southern Africa, namely P. capensis and P. zombamontana.

Pachypodium rutenbergianum is a species of Pachypodium native to Madagascar. The plant can reach 3 to 8 m high, and its trunk up to 60 cm in diameter at base. The plant has short branches and 1-cm long spines. Leaves are green and 10 to 15 cm long, 4 cm wide. Its flowers are white.

Psychotria punctata, the dotted wild coffee, is a species of plants in the family Rubiaceae.

Poskea is a genus of flowering plants belonging to the family Plantaginaceae. It is native to Somalia, Socotra and Yemen. The genus name of Poskea is in honour of Friedrich Poske (1852–1925), a German teacher and natural scientist in Berlin. It was first described and published in Linnaea Vol.43 on page 321 in 1882.

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Dalbergia madagascariensis is a species of legume in the family Fabaceae. It is found only in Madagascar. It is threatened by habitat loss.

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Salvia somalensis (Somalia sage) is a perennial shrub endemic to a limited range and elevation in Somalia. It grows at elevations from 4,000 feet (1,200 m) to 7,000 feet (2,100 m), typically in forest clearings or edges as a common or dominant subshrub. Salvia somalensis is a many-stemmed rangy plant that grows up to 5 feet (1.5 m) high and 3 feet (0.91 m) wide. The leaves are oblong and yellow-green, reaching 4 inches (10 cm) long and 1 inch (2.5 cm) wide. The pale wisteria-blue flowers grow in tight, many-flowered whorls, growing on inflorescences that are unusual in that they do not always

Hildebrandtia is a genus of plants in the bindweed family Convolvulaceae.

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Embelia schimperi is a shrubby climber or small tree within the family Primulaceae.

Dalbergia pervillei is a species of legume in the family Fabaceae. It is found only in Madagascar. It is threatened by habitat loss.

Dalbergia hildebrandtii is a species of legume in the family Fabaceae. It is found only in Madagascar. It is threatened by habitat loss.

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Artanema longifolium is an edible flowering plant species found in tropical Africa, India and South-East Asia. Extracts are used in Ayurveda medicines to treat myositis and nausea. The leaves can also be cooked and eaten as a leafy vegetable. The roots are root used to treat rheumatism, diarrhea, syphilis and ophthalmitis.

Treichelia is a genus of plants in the Campanulaceae. It contains two known species, both endemic to Cape Provinces of South Africa. Treichelia dodii Cupido Treichelia longibracteata (H.Buek) Vatke

Renschia is a genus of flowering plant in the family Lamiaceae, first described as a genus in 1888. It contains only one known species, Renschia heterotypica, endemic to Somaliland in East Africa.

Githopsis pulchella is a species of flowering plant in the bellflower family known by the common names Sierra bluecup and largeflower bluecup. It is endemic to California, where it grows in the lower elevations of the Sierra Nevada and in the southern reaches of the Cascade Range. This is an annual herb producing an erect stem to a maximum height anywhere between 4 and 40 centimeters. The hairy or hairless stem has occasional small lance-shaped leaves. The solitary flower appears at the top of the stem. It is one or two centimeters long, bell-shaped, and deep violet with a white throat. The

Dalbergia vacciniifolia is a species of legume in the family Fabaceae. It is found in Kenya and Tanzania.

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Vitex zanzibarensis is a species of plant in the family Lamiaceae. It is found in Kenya and Tanzania. It is threatened by habitat loss.

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Lindenbergia indica, the Indian pout-flower, is a species of flowering plant in the family Orobanchaceae, native from north-eastern Africa to the Indian subcontinent, where it grows in desert and dry shrubland habitats.

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Dalbergia lactea, or chencheni, is a species of legume in the family Fabaceae which is native to tropical areas of Sub-Saharan Africa.

Bauhinia mombassae is a species of plant in the family Fabaceae. It is found in Kenya and Tanzania. It is threatened by habitat loss.