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The National Botanic Gardens is a botanical garden in Glasnevin, 5 km north-west of Dublin city centre, Ireland. The 19.5 hectares are situated between Glasnevin Cemetery and the River Tolka where it forms part of the river's floodplain.
The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules and sympetalous actinomorphic flowers. The family contains about 13,500 species in about 620 genera, which makes it the fourth-largest angiosperm family. Rubiaceae has a cosmopolitan distribution; however, the largest species diversity is concentrated in the tropics and subtropics. Economically important genera include Coffea, the source of coffee, Cinchona, the source of the antimalarial alkaloid quinine, ornamental cultivars, and historically some dye plants.
Myrmecophytes are plants that live in a mutualistic association with a colony of ants. There are over 100 different genera of myrmecophytes. These plants possess structural adaptations that provide ants with food and/or shelter. These specialized structures include domatia, food bodies, and extrafloral nectaries. In exchange for food and shelter, ants aid the myrmecophyte in pollination, seed dispersal, gathering of essential nutrients, and/or defense. Specifically, domatia adapted to ants may be called myrmecodomatia.
Matthew Hilary Peter Jebb is an Irish botanist and taxonomist specialising in the ant plant genera Squamellaria, Myrmecodia, Hydnophytum, Myrmephytum and Anthorrhiza, as well as the carnivorous plant genus Nepenthes.
Myrmecodia is a genus of epiphytic myrmecophytes, native to Southeast Asia, but also present in Indochina, Malaysia, the Southwest Pacific, the Philippines, Fiji, and extending south to Queensland and Cape York in Australia. It is one of five ant-plant genera in the family Rubiaceae, the others being Anthorrhiza, Hydnophytum, Myrmephytum, and Squamellaria.
William Ramsay McNab was a Scottish physician and botanist.
Pholidocarpus is a genus of flowering plant in the family Arecaceae, native to Southeast Asia. It contains the following species:
Plectocomia is a genus of flowering plant in the family Arecaceae native to China, the Himalayas, and Southeast Asia. Plants are dioecious, with male and female flowers produced on separate individuals. It contains the following known species:
Orania is a genus of the palm tree family Arecaceae, and includes flowering plants native to Southeast Asia, Madagascar, and New Guinea.
Hydnophytum is a genus of epiphytic myrmecophytes native to Southeast Asia, the Pacific region and also extending into Queensland in northern Australia. The name is derived from the Ancient Greek hydnon "tuber", and phyton "plant", after their appearance with their swollen succulent stems. The species grow in tree branches and on trunks. Like the related genus Myrmecodia, they are known as antplants or ant-house plants. The type species is Hydnophytum formicarum from the Philippines. The genus contains 55 species, of which 44 are found in and around the island of New Guinea. Many are poorly known, with 11 known only from the holotype.
Kadua is a genus of flowering plants in the family Rubiaceae. It comprises 29 species, all restricted to Polynesia. Twenty-two of these are endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably extinct. Kadua affinis is widely distributed in Hawaii and is polymorphic. The type species for the genus is Kadua acuminata.
Hillia is a genus of flowering plants in the family Rubiaceae. It has 24 species. All are indigenous to tropical America.
Anthorrhiza is a genus of myrmecophytic flowering plants in the family Rubiaceae. It is endemic to Papua New Guinea, including the Louisiade Archipelago. It is one of five ant-plant genera in the family Rubiaceae, the others being Hydnophytum, Myrmecodia, Myrmephytum, and Squamellaria.
Saribus is a genus of palms, native to Southeast Asia, Papuasia and Pacific Islands. They are fan palms, the leaves with an armed petiole terminating in a rounded, costapalmate fan of numerous leaflets.
The North-West University Botanical Garden on the Potchefstroom Campus of the North-West University (NWU) is the only botanical garden in the North West Province of South Africa. The Garden spans just under three hectares and is open to the public.
Squamellaria is a genus of myrmecophytic flowering plants in the family Rubiaceae. It is endemic to the islands of Fiji.
Psychotrieae is a tribe of flowering plants in the family Rubiaceae and contains about 2114 species in 17 genera. Its representatives are found in the tropics and subtropics.
Philidris cordata is a species of ant in the genus Philidris. Described by Smith in 1859, the species is endemic to Indonesia and New Guinea. This species is a frequent inhabitant of the ant plant genera: Myrmecodia and Hydnophytum.
Hydnophytum formicarum, commonly called a "Baboon's head" or "Ant plant", is an epiphyte native to Southeast Asia and is considered critically endangered in Singapore. It is a myrmecophyte as ants live in its tuber, also known as a caudex, and pollinate its flowers. It resides in open-canopied areas, rainforests, and terrestrial regions of high elevation.
Pachycentria glauca is a small epiphytic shrub in the Melastomataceae family. It has 2 subspecies: P. glauca subsp. glauca and P. glauca subsp. maingayi. The glauca subspecies is endemic to Borneo, the maingayi subspecies is native to Peninsular Malaysia and Thailand, perhaps Sumatra. It grows on trees, other epiphytes and rocks in partial shade. It is intimately associated with particular ant species, growing on their gardens, providing a home for them, feeding them and having its seeds dispersed by them.
References
- ↑ "Myrmephytum in the World Checklist of Rubiaceae" . Retrieved 26 April 2014.
- ↑ Jebb M, Huxley C (8 February 2009). "A revision of the ant-plant genus Hydnophytum (Rubiaceae)". National Botanic Gardens Glasnevin website. Dublin, Ireland: National Botanic Gardens Glasnevin. Archived from the original on 23 March 2009. Retrieved 19 December 2009.
- ↑ Myrmephytum. The Plant List.
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