Catharanthus is a genus of flowering plants in the family Apocynaceae. Like the genus Vinca, they are known commonly as periwinkles. There are eight known species. Seven are endemic to Madagascar, though one, C. roseus, is widely naturalized around the world. The eighth species, C. pusillus, is native to India and Sri Lanka. The name Catharanthus comes from the Greek for "pure flower".
Linaceae is a family of flowering plants. The family is cosmopolitan, and includes about 250 species in 14 genera, classified into two subfamilies: the Linoideae and Hugonioideae. Leaves of the Linaceae are always simple; arrangement varies from alternate to opposite or whorled. The hermaphroditic, actinomorphic flowers are pentameric or, very rarely, tetrameric.
Avicennia is a genus of flowering plants currently placed in the bear's breeches family, Acanthaceae. It contains mangrove trees, which occur in the intertidal zones of estuarine areas and are characterized by its "pencil roots", which are aerial roots. They are also commonly known as api api, which in the Malay language means "fires", a reference to the fact that fireflies often congregate on these trees. Species of Avicennia occur worldwide south of the Tropic of Cancer.
Hemigraphis is a genus of plants in the family Acanthaceae, consisting of 34 species native to tropical Asia. Hemigraphis is similar to plants the genus Strobilanthes, with some species now placed there. Its native range is Nansei-shoto and from Indo-China to New Guinea.
Asteropeia micraster is a species of plant in the Asteropeiaceae family. It is endemic to Madagascar. The plant's natural habitat is sandy shores.
Hunteria is a genus of plants in the family Apocynaceae first described as a genus in 1824. It is native to Africa and to South and Southeast Asia.
- Hunteria ballayiHua - Central African Republic, Republic of Congo, Cameroon, Gabon
- Hunteria camerunensisK.Schum. ex Hallier f. - Republic of Congo, Cameroon, Gabon
- Hunteria congolanaPichon - Republic of Congo, Zaïre, Kenya
- Hunteria densifloraPichon - Zaïre
- Hunteria ghanensisJ.B.Hall & Leeuwenb. - Ivory Coast, Ghana
- Hunteria hexaloba(Pichon) Omino - Gabon
- Hunteria macrosiphonOmino - Republic of Congo, Gabon
- Hunteria myrianthaOmino - Zaïre
- Hunteria oxyanthaOmino - Republic of Congo, Zaïre, Gabon
- Hunteria simii(Stapf) H.Huber - Guinea, Ivory Coast, Liberia, Sierra Leone
- Hunteria umbellata(K.Schum) Hallier f. - W + C Africa from Senegal to Zaïre
- Hunteria zeylanica(Retz.) Gardner ex Thwaites - Somalia, Kenya, Tanzania, Mozambique, S China, India, Sri Lanka, Andaman & Nicobar Islands, Indochina, W Malaysia, Sumatra
Sarcotheca ochracea is a species of plant in the family Oxalidaceae. It is a tree endemic to Borneo where it is confined to Sarawak.
Spirotecoma is a genus of plants in the family Bignoniaceae.
Tricarpelema pumilum is a monocotyledonous herbaceous plant in the family Commelinaceae. It is known from only six collections on the island of Borneo. The species looks like a smaller version of the closely related Tricarpelema philippense, but the two can be differentiated based on the size and shape of the capsule, as well as the number of seeds per locule.
Bulbophyllum mirabile is a species of orchid in the genus Bulbophyllum.
Cyrtorchis is a genus of flowering plants from the orchid family Orchidaceae native to Africa.
Merremia is a genus of flowering plants in the morning glory family, Convolvulaceae. Members of the genus are commonly known as woodroses.
Rauvolfioideae is a subfamily of the flowering plant family Apocynaceae. Many species are woody lianas, others are shrubs or perennial herbs.
Pleiocarpa is a genus of plant in the family Apocynaceae first described as a genus in 1876. It is native to tropical Africa from Senegal to Tanzania and south to Zimbabwe. As of August 2013 the World Checklist of Selected Plant Families recognises 6 species:
- Pleiocarpa bicarpellataStapf - Cabinda, Cameroon, Republic of the Congo, Gabon, Democratic Republic of the Congo, Kenya
- Pleiocarpa brevistylaOmino - Gabon
- Pleiocarpa muticaBenth. - Ghana, Ivory Coast, Liberia, Sierra Leone, Nigeria, Cameroon, Gabon, Central African Republic, Republic of the Congo
- Pleiocarpa picralimoides(Pichon) Omino - Cabinda, Republic of the Congo, Gabon
- Pleiocarpa pycnantha(K.Schum) Stapf - widespread across most of tropical Africa
- Pleiocarpa rostrataBenth. - Nigeria, Cameroon, Gabon
- Pleiocarpa camerunensis(K.Schum. ex Hallier f.) Stapf = Hunteria camerunensisK.Schum. ex Hallier f.
- Pleiocarpa hockiiDe Wild. - Acokanthera oppositifolia(Lam.) Codd
- Pleiocarpa simii(Stapf) Stapf ex Hutch. & Dalziel = Hunteria simii(Stapf) H.Huber
Cylindropsis is a genus of plants first described in 1898. It contains only one known species, Cylindropsis parvifolia, native to central Africa.
Dictyophleba is a genus of flowering plants in the family Apocynaceae first described as a genus in 1898. It is native to Africa and to the Comoros Islands in the Indian Ocean.
- Dictyophleba leonensis(Stapf) Pichon - West Africa from Cameroon to Liberia
- Dictyophleba lucida(K.Schum.) Pierre - Comoros, central + southern Africa from Nigeria east to Tanzania and south to Zimbabwe
- Dictyophleba ochracea(K.Schum. ex Hallier f.) Pichon - central Africa from Nigeria to Zaire
- Dictyophleba rudensHepper - Cameroon
- Dictyophleba setosaB.de Hoogh - Cameroon, Gabon
- Dictyophleba stipulosa(S.Moore ex Wernham) Pichon - from Ivory Coast to Congo-Brazzaville
Jacquemontia is a genus of plants in the morning glory family Convolvulaceae. Species in this genus are commonly known as clustervine.
Hyalocystis is a genus of flowering plants belonging to the family Convolvulaceae.
Landolphia buchananii is a liana within the Apocynaceae family. It is sometimes called Nandi rubber in English and known locally as Mugu among Kikuyus. Occurs in savannahs and montane forests in East Africa and Southeastern Nigeria.
Dichondra microcalyx, the mouse ear, is a species of plant in the family Convolvulaceae.
