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Exaceae
Exaceae is a flowering plant tribe in the family Gentianaceae. Exaceae comprises about 180 species assigned to eight monophyletic genera, with major centres of endemism in continental Africa (about 78 endemic species and two endemic genera), Madagascar (55 endemic species and four endemic genera) and the southern tip of India and Sri Lanka (14 endemic species). Genera * '' Exacum'' L. (syn. '' Cotylanthera'' Blume) * '' Exochaenium'' Griseb. * '' Gentianothamnus'' Humbert * '' Klackenbergia'' Kissling * '' Lagenias'' E. Mey. * '' Ornichia'' Klack. * ''Sebaea ''Sebaea'' is a genus of annual plants in the family Gentianaceae. Species occur in Africa, Madagascar, India, China, Thailand, Australia and New Zealand. The genus was paraphyletic and has been split in four genera: ''Exochaenium'', ''Klackenber ...'' Sol. ex R. Br. (syn. '' Belmontia'') * '' Tachiadenus'' Griseb. References {{Taxonbar, from=Q5852986 Asterid tribes Gentianaceae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Exochaenium
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), with many extending to the Sudano-Zambesian and Guineo-Congolian regions. The genus is monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ... and is used to study the variation and evolution of herkogamy. Species * '' Exochaenium alatum'' (Paiva and Nogueira) Kissling * '' Exochaenium baumianum'' (Gilg) Schinz * '' Exochaenium caudatum'' (Paiva and Nogueira) Kissling * '' Exochaenium clavatum'' (Paiva and Nogueira) Kissling * '' Exochaenium debile'' Welw. * '' Exochaenium dimidiatum'' (Sileshi) Kissling * '' Exochaenium exiguum'' A.W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gentianaceae
Gentianaceae is a family of flowering plants of 103 genera and about 1600 species. Etymology The family takes its name from the genus '' Gentiana'', named after the Illyrian king Gentius. Distribution Distribution is cosmopolitan. Characteristics The family consists of trees, shrubs and herbs showing a wide range of colours and floral patterns. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals ( epipetalous) and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium, and flowers have parietal placentation. The inflorescence is cymose, with simple or complex cymes. The fruits are dehiscent septicidal capsules splitting into two halves, rarely some species have a berry. Seeds are small with copiously oily endosperms and a straight embryo. The habit varies from small trees, pachycaul shrubs to (usually) herbs, with ascending, erect or twining stems. Plants are usually ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sebaea
''Sebaea'' is a genus of annual plants in the family Gentianaceae. Species occur in Africa, Madagascar, India, China, Thailand, Australia and New Zealand. The genus was paraphyletic and has been split in four genera: ''Exochaenium'', ''Klackenbergia'', ''Lagenias'' and ''Sebaea'' ''s.str.''. Synapomorphies for ''Sebaea s.str.'' include the presence of extra stigma along the style (called diplostigmaty) and the shape of the testa cells of the seeds. The name honors Albertus Seba Albertus or Albert Seba (May 12, 1665, Etzel near Friedeburg – May 2, 1736, Amsterdam) was a Dutch pharmacist, zoologist, and collector. Seba accumulated one of the largest cabinets of curiosities in the Netherlands during his time. He sold ... (1665–1736), a Dutch pharmacist, zoologist and collector. Species include (non exhaustiv list): *'' Sebaea albens'' (L. f.) Roem. & Schult. *'' Sebaea albidiflora'' F.Muell. - white sebaea *'' Sebaea ambigua'' Cham. *'' Sebaea amicorum'' I.M. Oliv. & ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lagenias
The monotypic genus ''Lagenias'' is endemic to the Cape Province of South Africa . It belongs to the tribe Exaceae of the Gentianaceae Gentianaceae is a family of flowering plants of 103 genera and about 1600 species. Etymology The family takes its name from the genus '' Gentiana'', named after the Illyrian king Gentius. Distribution Distribution is cosmopolitan. Characteri .... Species * ''Lagenias pusillus'' E. Mey. References {{Taxonbar, from=Q47081401 Monotypic Gentianales genera Flora of Southern Africa Gentianaceae Gentianaceae genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Klackenbergia
Klackenbergia is a genus of flowering plants belonging to the gentian family ( Gentianaceae) and the tribe Exaceae. It only contains two species, both endemic to Madagascar. They are notable for their inflorescence with characteristic long bracts and bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...eoles and sub-sessile flowers arranged in axillary fascicules at each node. The genus is named after Jens Klackenberg (1951-).2 Species * '' Klackenbergia stricta'' (Schinz) Kissling * '' Klackenbergia condensata'' (Klack.) Kissling References {{Taxonbar, from=Q15962228 Gentianaceae genera Gentianaceae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tachiadenus
''Tachiadenus'' is a plant genus in the gentian family ( Gentianaceae), tribe Exaceae. It contains 12 species. The genus is endemic to Madagascar.''Tachiadenus'' Griseb. '' Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ... ''. Accessed 24 September 2022.
Species The following species are recognised: * ''[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ornichia
''Ornichia'' is a plant genus in the gentian family ( Gentianaceae), tribe Exaceae. The genus is endemic to Madagascar.''Ornichia'' Klack. '' Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ... '', Kew Science. Accessed 21 September 2022.
Species Three species are accepted: * ''[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gentianothamnus
''Gentianothamnus'' is a monotypic plant genus in the gentian family ( Gentianaceae), tribe Exaceae. The sole species is ''Gentianothamnus madagascariensis''. It is endemic to Madagascar.''Gentianothamnus madagascariensis'' Humbert '' Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ... '', Kew Science. Accessed 20 September 2022.
References [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Luigi Aloysius Colla
Luigi Aloysius Colla (30 April 1766 – 23 December 1848) was an Italian botanist of the late 18th and early 19th Centuries. He was a member of the Provisional Government of Savoy from December 12, 1798, to April 2, 1799, taking his turn as chairman of the government in rotation for a ten-day term. In 1820 Colla described two species, ''Musa balbisiana'' and ''Musa acuminata'', that are the basis for almost all cultivated bananas. Colla was a member of the Philadelphia Academy of Natural Sciences The Academy of Natural Sciences of Drexel University, formerly the Academy of Natural Sciences of Philadelphia, is the oldest natural science research institution and museum in the Americas. It was founded in 1812, by many of the leading natura .... Bibliography * ''L'antolegista botanico'' - Turin - Volume 1, Volume 5, Volume 6 * ''Memoria sul genere Musa e monografia del medesimo'' - Turin * ''Observations sur le Limodorum purpureum de M. de Lamarck et création d'un nouveau genre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, and southeast of the Arabian Sea; it is separated from the Indian subcontinent by the Gulf of Mannar and the Palk Strait. Sri Lanka shares a maritime border with India and Maldives. Sri Jayawardenepura Kotte is its legislative capital, and Colombo is its largest city and financial centre. Sri Lanka has a population of around 22 million (2020) and is a multinational state, home to diverse cultures, languages, and ethnicities. The Sinhalese are the majority of the nation's population. The Tamils, who are a large minority group, have also played an influential role in the island's history. Other long established groups include the Moors, the Burghers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cotylanthera
''Exacum'' is a genus of plant in family Gentianaceae. It contains the following species (but this list is incomplete): * ''Exacum affine'' Balf.f. ex Regel * '' Exacum axillare'' * '' Exacum bicolor'' * '' Exacum caeruleum'' Balf.f. * '' Exacum laxiflorum'' (Gamble) Geethakumary, Deepu, Kissling & Pandurangan * '' Exacum pallidum'' * '' Exacum pedunculatum'' * '' Exacum sessile'' * '' Exacum socotranum'' Balf.f. * ''Exacum tetragonum'' * '' Exacum tinervium'' * ''Exacum travancoricum ''Exacum travancoricum'' is one of the rare and threatened plants of western Ghats. It comes under family Gentianaceae. Moderately to much branched usually laxly cushion-like herb with elliptic, somewhat succulent leaves and usually solitary ter ...'' * '' Exacum walkeri'' References Gentianaceae genera Taxa named by Carl Linnaeus Taxonomy articles created by Polbot {{Gentianales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
