Quassia is a plant genus in the family Simaroubaceae. Its size is disputed; some botanists treat it as consisting of only one species, Quassia amara from tropical South America, while others treat it in a wide circumscription as a pantropical genus containing up to 40 species of trees and shrubs.
Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The family is divided into ten clades, with about 640 known species in about 35 accepted genera. About half of these consist of a single species, but about 400 of the species are in the type genus Saxifraga. The family is predominantly distributed in the northern hemisphere, but also in the Andes in South America.
Vochysiaceae is a plant family belonging to the order Myrtales.
The Lecythidaceae comprise a family of about 20 genera and 250–300 species of woody plants native to tropical South America, Africa, Asia and Australia.
Zanthoxylum is a genus of about 250 species of deciduous and evergreen trees, shrubs and climbers in the family Rutaceae that are native to warm temperate and subtropical areas worldwide. It is the type genus of the tribe Zanthoxyleae in the subfamily Rutoideae. Several of the species have yellow heartwood, to which their generic name alludes. Several species are cultivated for their use as spices, notably including Sichuan pepper.
The Simaroubaceae are a small, mostly tropical, family in the order Sapindales. In recent decades, it has been subject to much taxonomic debate, with several small families being split off. A molecular phylogeny of the family was published in 2007, greatly clarifying relationships within the family. Together with chemical characteristics such as the occurrence of petroselinic acid in Picrasma, in contrast to other members of the family such as Ailanthus, this indicates the existence of a subgroup in the family with Picrasma, Holacantha, and Castela.
Quassia amara, also known as amargo, bitter-ash, bitter-wood, or hombre grande is a species in the genus Quassia, with some botanists treating it as the sole species in the genus. The genus was named by Carl Linnaeus who named it after the first botanist to describe it: the Surinamese freedman Graman Quassi. Q. amara is used as insecticide, in traditional medicine and as additive in the food industry.
The genus of the myrrhs, Commiphora, is the most species-rich genus of flowering plants in the frankincense and myrrh family, Burseraceae. The genus contains approximately 190 species of shrubs and trees, which are distributed throughout the (sub-) tropical regions of Africa, the western Indian Ocean islands, the Arabian Peninsula, India, and South America. The genus is drought-tolerant and common throughout the xerophytic scrub, seasonally dry tropical forests, and woodlands of these regions.
Simaba cedron, the cedron, is a member of the quassia family, Simaroubaceae, native to Colombia and Central America.
Hannoa is a genus of plant in the family Simaroubaceae. Found in tropical parts of Africa.
Picramnia, the bitterbushes, is a genus of plant considered to be in the family Picramniaceae, but sometimes placed in Simaroubaceae. The name is conserved against the genera Pseudo-brasiliumAdans., and TaririAubl., both which have been rejected.
Pierreodendron is a genus of plants in the family Simaroubaceae.
Anchomanes is a genus of flowering plants in the family Araceae. The genus is native to tropical Africa.
Culcasia is a genus of flowering plants in the family Araceae, native to tropical Africa. Most of its species are climbers and resemble Cercestis, except that they do not produce flagella.
- Culcasia angolensisWelw. ex Schott - western + central Africa from Senegal to Angola
- Culcasia annetiiNtépé-Nyamè - Ivory Coast, Cameroon, Liberia
- Culcasia bosiiNtépé-Nyamè - Cameroon, Gabon, Congo-Brazzaville
- Culcasia brevipetiolataBogner - Gabon
- Culcasia caudataEngl. - Zaïre
- Culcasia dinklageiEngl - western + central Africa from Liberia to Zaïre
- Culcasia ekongoloiNtépé-Nyamè - central Africa from Nigeria to Zaïre
- Culcasia falcifoliaEngl. - central Africa from Gabon east to Tanzania and south to Mozambique
- Culcasia glandulosaHepper - Ivory Coast, Sierra Leone, Liberia, Congo-Brazzaville
- Culcasia insulanaN.E.Br. - Zaïre, Cameroon, Gulf of Guinea Islands
- Culcasia lanceolataEngl. - Cameroon, Gabon
- Culcasia libericaN.E.Br. - Ivory Coast, Sierra Leone, Liberia, Togo
- Culcasia linearifoliaBogner - Cameroon, Gabon
- Culcasia loukandensisPellegr - Cameroon, Gabon, Congo-Brazzaville, Zaïre, Central African Republic
- Culcasia mannii(Hook.f.) Engl. - Cameroon, Gabon, Congo-Brazzaville, Nigeria, Equatorial Guinea
- Culcasia obliquifoliaEngl. - Cameroon, Gabon
- Culcasia orientalisMayo - Kenya, Tanzania, Mozambique, Zambia
- Culcasia panduriformisEngl. & K.Krause - Cameroon, Gabon
- Culcasia parvifloraN.E.Br. - western + central Africa from Liberia to Zaïre
- Culcasia rotundifoliaBogner - Gabon
- Culcasia sanagensisNtépé-Nyamè - Cameroon
- Culcasia scandensP.Beauv. - western + central Africa from Liberia to Angola
- Culcasia seretiiDe Wild - western + central Africa from Liberia to Zaïre
- Culcasia simiarumNtépé-Nyamè - western Africa from Ivory Coast to Cameroon
- Culcasia striolataEngl. - western + central Africa from Liberia to Congo-Brazzaville
- Culcasia tenuifoliaEngl. - western + central Africa from Liberia to Zaïre
- Culcasia yangambiensisLouis & Mullend. - Congo-Brazzaville, Zaïre
When the APG II system of plant classification was published in April 2003, fifteen genera and three families were placed incertae sedis in the angiosperms, and were listed in a section of the appendix entitled "Taxa of uncertain position".
Simarouba is a genus of trees and shrubs in the family Simaroubaceae, native to the neotropics. It has been grouped in the subtribe Simaroubina along with the Simaba and Quassia genera. They have compound leaves, with between 1 and 12 pairs of alternate pinnate leaflets. Their flowers are unisexual, relatively small and arranged in large panicles. Plants are dioecious, bearing only male or female flowers. The individual flowers have between 4 and 6 sepals and petals and between 8 and 12 stamens. The fruit is a carpophore and has up to 5 drupaceous mericarps.
Calamoideae is a subfamily of flowering plant in the palm family found throughout Central America, South America, Africa, India, China, Southeast Asia and Australia. It is represented by 21 genera - containing nearly a quarter of all species in the palm family - including the largest genus, Calamus, the type genus of the group. Only four are found in the New World while the rest are Old World denizens, usually found in equatorial swampland or along tropical coastlines.
The Malmeoideae are a subfamily of trees and other plants of the family Annonaceae.
Donella is a genus of flowering plants belonging to the family Sapotaceae.
