2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Along with the species growing practically on all continents, there are such species of the Series, which have found secluded spots on the planet for themselves, where humans cannot always reach. But even in such places, forgotten by God, there are threats to their continued existence in our world
The Pacific Ocean is rich in islands. Before some of them, people have long laid reliable "paths" and successfully inhabit their territories. Others have managed to protect themselves from humans by lack of fresh water, impregnable harbors or other natural defenses. This allows the flora and fauna to preserve pristine nature on such islands and hide rare animals and amazing plant species from humans, which you will not see anywhere else on Earth.
Bidens populifolia (or Poplar succession)
One of these rare plants is the poplar train, which can be a herbaceous plant or a shrub. It grows on the island of Oahu, which is part of the Hawaiian archipelago and, in terms of the size of its territory, takes 3rd place among its 24 islands.
The poplar succession is one of the plants that are on the verge of extinction. After all, she has so many enemies driving the plant from the island. This is the high density of the population of the island; and wild pigs tearing up its roots; and more agile plant species; and insects (slugs, snails, spider mites, aphids) feeding on its large poplar leaves.
Burmese leaves are actively used by the local population. First, their help is used in the treatment of patients. Secondly, they make a drink, the tonic capacity of which is much higher than that of black tea, and the taste is more refined.
The yellow basket inflorescences have a full set of flowers, that is, the tubular flowers of the disc are surrounded by radiant marginal flowers.
Bidens mauiensis (or the Maui Faithful Line)
Another species of the genus Chereda, which has chosen to live on the island of the Hawaiian archipelago. This time, the choice fell on the island of Maui, where the population lives much more freely, because the size of the island is larger than the size of Oahu, but the population is many times smaller. This gives the plant a better chance of survival. Although Aboriginal people love to brew the leaves instead of tea leaves, they also use the plant for medicinal purposes.
As this series grows on the stony dry shores of the island created by volcanoes, it has learned to store moisture in its leaves, which look fleshy and juicy. In order not to waste energy in vain, the series does not reach for the heavens, but almost creeps along the surface of the earth.
During the flowering period, the plant looks very impressive. Quite large flower baskets on long peduncles resemble miniature Sunflowers. The disc, filled with flirtatious tubular flowers, is surrounded by lighter, sun-like petals that look like small barrels.
Bidens hendersonensis (or Henderson train)
Unlike most species of the genus Chereda, which are represented in nature by herbaceous plants, Henderson's sequence has managed to grow to shrubs and even small trees. It is possible that this was facilitated by the remoteness of the plant from human settlements.
After all, the Henderson train grows only on two tiny islands, which can be found with great difficulty on geographical maps. The Oeno and Henderson Islands are part of a group of 5 islands, which are marked on the map with the same name "Pitcairn" and are located in the South Pacific Ocean. This inequality is explained by the fact that out of 5 islands only Pitcairn is inhabited by people, and the rest is wild. Therefore, the fact of the discovery of Sereda in such conditions is a great miracle.
Bidens gardneri (or Gardner's Line)
This type of Burmese grows in Brazil. He surprised me with a bright orange basket outfit, so I decided to include it in this article.
Although it grows on the mainland, and not on an island lost in the vastness of the ocean, there is very little information about it. But there is a very long article from the Brazilian Journal of Botany, which describes experiments with the seeds of this particular species of Train, since it is a herbaceous species that is widespread in the state of São Paulo.
The purpose of the experiments is to determine the effect of storing achenes of a given species on sensitivity to light during germination !!!
Note:
More details about the species of the Burmese can be found in our "Encyclopedia of Plants".
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