Mitrastemon

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Mitrastemon
Yakkosou01.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Mitrastemonaceae
Makino [1]
Genus: Mitrastemon
Makino
Species

M. matudae
M. yamamotoi

Mitrastemon is a genus of two widely disjunct species of parasitic plants. [2] It is the only genus within the family Mitrastemonaceae. Mitrastemon species are root endoparasites, which grow on Fagaceae. It is also a non-photosynthetic plant that parasitizes other plants such as Castanopsis sieboldii .

Contents

History

The parasitic species, Mitrastemon yamamotoi(Makino) Makino was found in Japan in 1909. It was originally named Mitrastemma yamamotoiMakino by botanist Tomitaro Makino (1862 – 1957), [3] but was later renamed as Mitrastemon yamamotoi in 1911. [4]

Then species Mitrastemon matudae was discovered by botanist Eizi Matuda during an expedition to Mt. Ovando (near the town of Escuintla, Chiapas) in the state of Chiapas, Mexico (Matuda, 1947). [5] [6] The species was originally named by a botanist friend of Matuda, Yoshimatsu Yamamoto (1893-1947), [7] in 1925–1926, but then published in 1936. [8] Mitrastemon yamamotoi is a protandrous plant. Its flowers go through a male phase before transforming into their final female form. The flowers of M. yamamotoi attract a variety of insects ranging from wasps to flies and beetles. Among these, beetles are the best pollinators for this plant since their visit to the flower would pick up a large amount of pollen and they would pollinate from each of the flowers that they had already visited. [5] The plant is endemic to tropical and subtropical forest regions such as southeast Asia and Japan.

Taxonomy

Originally Mitrastemon was placed within the order Rafflesiales, together with other parasitic plants, but this order was long suspected to be actually polyphyletic. In 2004, the genus was found to be related to Ericales by comparing their mitochondrial DNA. [9]

Several orthographic variants of the name Mitrastemon exist, including Mitrastema and Mitrastemma. The correct taxonomic name is Mitrastemon, the use of which was proposed and justified in an article by Reveal [10] and approved by the Nomenclature Committee for Vascular Plants of the International Association for Plant Taxonomy in a subsequent article. [11]

The species has a cylindrical body ranging from 3 cm to 7 cm in height with a tuberous base. During an early developmental stage it appears an off-white color; however, once it is dried it becomes a dark brown color (Mir et al., 2016).

Life cycle

The plant is observed only during the winter season and it completes its visible life cycle from November to April (Mir et al., 2016). Mitrastemon is completely embedded within the tissues of its host, except during the reproduction stage when above-ground parts emerge from host tissues.

Ecology

Unlike other plants, the flowers of this organism change sex from male to female. Various insects are involved in pollination. Mitrastemon yamamotol is mainly pollinated by social wasps, but previously unnoticed pollination are also important, based on visitation frequency and pollen loads. There have been studies of the pollination that suggest that nocturnal visitors, such as crickets and cockroaches, contribute to geitonogamous pollination. Diurnal visitors like social wasps facilitate outcrossing. [12]

Species

There are two known species; [12] [13]

Distribution

Mitrastemon yamamotoi is distributed in tropical and subtropical forests of Southeast Asia and Japan. Mitrastemon matudae is distributed from southern Mexico to Colombia. [13]

Related Research Articles

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<span class="mw-page-title-main">Megachilidae</span> Cosmopolitan family of bees

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<i>Ficus rubiginosa</i> Species of flowering plant in the family Moraceaea native to eastern Australia

Ficus rubiginosa, the rusty fig or Port Jackson fig, is a species of flowering plant native to eastern Australia in the genus Ficus. Beginning as a seedling that grows on other plants (hemiepiphyte) or rocks (lithophyte), F. rubiginosa matures into a tree 30 m (100 ft) high and nearly as wide with a yellow-brown buttressed trunk. The leaves are oval and glossy green and measure from 4 to 19.3 cm long and 1.25 to 13.2 cm wide.

<i>Dactylanthus taylorii</i> Species of flowering plant

Dactylanthus taylorii, commonly known in English as wood rose and in Māori as te pua o te rēinga, is a fully parasitic flowering plant, the only one endemic to New Zealand. The host tree responds to the presence of Dactylanthus by forming a burl-like structure that resembles a fluted wooden rose. When the flowers emerge on the forest floor, they are pollinated by a ground-foraging species of native bat.

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<span class="mw-page-title-main">Orobanchaceae</span> Family of flowering plants known as broomrapes

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<i>Clusia</i> Genus of flowering plants in the family Clusiaceae

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<span class="mw-page-title-main">Rafflesiaceae</span> Family of flowering plants

The Rafflesiaceae are a family of rare parasitic plants comprising 36 species in 3 genera found in the tropical forests of east and southeast Asia, including Rafflesia arnoldii, which has the largest flowers of all plants. The plants are endoparasites of vines in the genus Tetrastigma (Vitaceae) and lack stems, leaves, roots, and any photosynthetic tissue. They rely entirely on their host plants for both water and nutrients, and only then emerge as flowers from the roots or lower stems of the host plants.

<span class="mw-page-title-main">Parasitic plant</span> Type of plant that derives some or all of its nutritional requirements from another living plant

A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All parasitic plants develop a specialized organ called the haustorium, which penetrates the host plant, connecting them to the host vasculature – either the xylem, phloem, or both. For example, plants like Striga or Rhinanthus connect only to the xylem, via xylem bridges (xylem-feeding). Alternately, plants like Cuscuta and some members of Orobanche connect to both the xylem and phloem of the host. This provides them with the ability to extract resources from the host. These resources can include water, nitrogen, carbon and/or sugars. Parasitic plants are classified depending on the location where the parasitic plant latches onto the host, the amount of nutrients it requires, and their photosynthetic capability. Some parasitic plants can locate their host plants by detecting volatile chemicals in the air or soil given off by host shoots or roots, respectively. About 4,500 species of parasitic plants in approximately 20 families of flowering plants are known.

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<i>Hydnora africana</i> Species of flowering plants in the birthwort family Aristolochiaceae

Hydnora africana is an achlorophyllous plant in the subfamily Hydnoroideae, native to southern Africa that is parasitic on the roots of members of the family Euphorbiaceae. It is also called jakkalskos or jackal food. The specific epithet africana means to be from Africa. Molecular data has suggested that Hydnoroideae is a "basal angiosperm" solidifying its place among the more primitive flowering plants. Hydnoraceae are the only angiosperms known to have no leaves or scales and are considered obligate parasites, completely dependent on their hosts to survive. The plant grows underground, except for a fleshy flower that emerges above ground and emits an odour of faeces to attract its natural pollinators, dung beetles and carrion beetles. The vegetative body of the plants has been reduced to only consisting of roots and flowers. The flowers act as temporary traps, retaining the beetles that enter long enough for them to pick up pollen.

<span class="mw-page-title-main">Apodanthaceae</span> Family of flowering plants

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<i>Vespula austriaca</i> Species of wasp

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<i>Hydnora triceps</i> Species of flowering plants comprising parasitic members completely devoid of chlorophyll

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<span class="mw-page-title-main">Eizi Matuda</span>

Eiji Matsuda (1894–1978) was a Mexican botanist of Japanese origin. In scholarly works, his name is generally romanised as "Eizi Matuda" following the "Kunrei" system.

<i>Balanophora</i> Genus of flowering plants

Balanophora is a genus of parasitic flowering plants in the family Balanophoraceae found in parts of tropical and temperate Asia, including the Eastern Himalayas, Malesia region, Pacific Islands, Madagascar, and tropical Africa. There are about 20 accepted species, including the newly discovered B. coralliformis. Many species emit an odour which possibly attracts pollinators in the same way that pollinators are attracted to Rafflesia.

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<i>Balanophora fungosa</i> Species of plant in the family Balanophoraceae

Balanophora fungosa, sometimes known as fungus root is a flowering plant in the family Balanophoraceae and occurs in South Asia, Southeast Asia, Australia and some Pacific Islands. It is an obligate parasite growing on the roots of rainforest trees. The flowering structure is shaped like a puffball but in fact consists of a globe covered with thousands of tiny female flowers. The globe is surrounded at its base by a much smaller number of male flowers. In flower, the plant emits an odour resembling that of mice.

<span class="mw-page-title-main">Daniel Lee Nickrent</span>

Daniel Lee Nickrent is an American botanist, working in plant evolutionary biology, including the subdisciplines of genomics, phylogenetics, systematics, population genetics, and taxonomy. A major focus has been parasitic flowering plants, particularly of the sandalwood order (Santalales). His interest in photographic documentation and photographic databases has led to several photographic databases including Parasitic Plant Connection, Phytoimages, Plant Checklist for the Rocky Mountain National Park, and Plant Checklist for the Crab Orchard National Wildlife Refuge.

<i>Thereuopoda clunifera</i> Species of centipedes

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References

  1. Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi: 10.1111/j.1095-8339.2009.00996.x . Retrieved 2013-07-06.
  2. Mitrastemonaceae Makino
  3. Makino, Bot. Mag. (Tokyo) 23: 326 (1909)
  4. (Makino) Makino, Bot. Mag. (Tokyo) 25: 255 (1911)
  5. 1 2 "Mindat.org". www.mindat.org. Retrieved 2021-12-24.
  6. Matuda, Eizi (January 1950). "A Contribution to Our Knowledge of Wild Flora of Mt. Ovando". The American Midland Naturalist. 43 (1): 195–223. doi:10.2307/2421892. JSTOR   2421892 . Retrieved 6 October 2023.
  7. "Yamamoto, Yoshimatsu | International Plant Names Index". www.ipni.org. Retrieved 6 October 2023.
  8. Yamam. Bot. Mag. (Tokyo) 50: 539 (1936)
  9. Daniel L Nickrent; et al. (2004), "Phylogenetic inference in Rafflesiales: the influence of rate heterogeneity and horizontal gene transfer", BMC Evolutionary Biology, 4: 40, doi: 10.1186/1471-2148-4-40 , PMC   528834 , PMID   15496229
  10. Reveal, J. (2010). "(1923) Proposal to conserve the name Mitrastemon (Rafflesiaceae) with that spelling". Taxon. 59 (1): 299–300. doi:10.1002/tax.591035. JSTOR   27757079.
  11. Brummitt, R. K. (2011). "Report of the Nomenclature Committee for Vascular Plants: 63". Taxon. 60 (4): 1202–10. doi: 10.1002/tax.604025 . JSTOR   41317342.
  12. 1 2 Suetsugu, K. (January 2019). "Social wasps, crickets and cockroaches contribute to pollination of the holoparasitic plant Mitrastemon yamamotoi (Mitrastemonaceae) in southern Japan". Plant Biology. 21 (1): 176–182. doi: 10.1111/plb.12889 . PMID   30098096. S2CID   51955957.
  13. 1 2 "Mitrastemon Makino | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 6 October 2023.

Further reading