Английская Википедия:Campynema
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Speciesbox
Campynema is a genus in the family Campynemataceae first described in 1805.Шаблон:Sfn[1] It contains only one known species (monotypic), Campynema lineare, endemic to the island of Tasmania in Australia.[2][3] Its closest relative is Campynemanthe, endemic to New Caledonia,[4] sole other genus of the family.
Campynema lineare
C. lineare, also known as the green mountain lily,[5][6] is a small inconspicuous erect herb that grows to 15–30 cm in height. Its leaves consist of a single, curved basal leaf, with smaller leaves ascending up the flower stem.[6] It is most distinguishable by its striking green flower, which blooms in summer.[6] The flower is usually solitary, with 6 green tepals, sometimes with a burgundy tinge and developing brown edges with age,[6] lacking apparent nectaries.[7] The anthers are dorsifixed, styluli are free but thickened and contiguous below. The seeds are numerous and are flattened, sometimes almost discoid, with a spongy outer coat.[7] It is a geophyte,[8] and its leaves are deciduous in winter.
C. lineare is approximately 57 million years old.[9] It is considered to a key member of Tasmania's palaeoendemic flora.[9] A study of the gene sequences of RuBisCO in C. lineare, found that the family Campynemataceae is the oldest of the order Liliales.[10]
C. lineare was once considered to be part of the family Liliaceae.[6]
- Variation in flower coloration
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Distribution
C. lineare can be found in boggy sites in the central, western and central mountains of Tasmania, mostly in the subalpine and alpine regions.[11] It is most commonly found in herbfields, heathlands, cushion plant communities, and lake edges.[12]
Threats and Conservation
C. lineare is not considered under any specific threats due to being situated predominantly in protected areas,[13] however some of the habitats in which it is found are predicted to decline due to climate change.[14] The most likely declines in Australian alpine ecosystems have been shown to be in alpine herbfield and cushion plant communities.[14] Due to its palaeoendemic status, the Tasmanian Parks and Wildlife Service consider C. lineare to be of high conservation significance.[13]
References
Bibliography
- ↑ Tropicos, Campynema Labill.
- ↑ Kew World Checklist of Selected Plant Families
- ↑ George, A.S. (ed.) (1987). Flora of Australia 45: 1-521. Australian Government Publishing Service, Canberra.
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite web
- ↑ 6,0 6,1 6,2 6,3 6,4 Шаблон:Cite book
- ↑ 7,0 7,1 Шаблон:Cite book
- ↑ Associate Professor Greg Jordan 2018, personal communication, 19 February.
- ↑ 9,0 9,1 Шаблон:Cite journalШаблон:Dead link
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 13,0 13,1 Шаблон:Cite book
- ↑ 14,0 14,1 Шаблон:Cite web
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- Taxa named by Jacques Labillardière
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