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Archaeopteris is a member of a group of free-sporing woody plants called the progymnosperms that are interpreted as distant ancestors of the gymnosperms. Archaeopteris reproduced by releasing spores rather than by producing seeds, but some of the species, such as Archaeopteris halliana were heterosporous, producing two types of spores.
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish [2] that comprise over 50% of living vertebrate species. [3]
Another name sometimes used is "Christmas berry", but this name is a source of confusion, since it is commonly applied to plants in several genera including Heteromeles, Lycium, Schinus, and Ruscus. The name "photinia" also continues to be used for several species of small trees in the mountains of Mexico and Central America which had formerly ...
Oldest tree in New Zealand. Its name translates as "Father of the Forest". Cis Henrykowski: 1270: Common Yew Taxus Baccata: Henryków Lubański, Lower Silesia, Poland: Oldest tree in Poland. The age of the tree was estimated based on the trunk circumference and growth rate assessed by taking a core from an undamaged part of the trunk.
Tree with catkins and galls made by Phylloxera perniciosa. Carya glabra, the pignut hickory, is a common, but not abundant species of hickory in the oak-hickory forest association in the Eastern United States and Canada. Other common names are pignut, sweet pignut, coast pignut hickory, smoothbark hickory, swamp hickory, and broom hickory.
This article related to members of the fly sub-family Tephritinae is a stub. You can help Wikipedia by expanding it.
Angiopteris evecta, commonly known as the king fern, giant fern, elephant fern, oriental vessel fern, Madagascar tree fern, or mule's foot fern, is a very large rainforest fern in the family Marattiaceae native to most parts of Southeast Asia and Oceania. It has a history dating back about 300 million years, and is believed to have the longest ...
They often constitute early successional species of their landscapes. Roots are shallow and wide spreading; lateral root growth in a forest may be as far as 60 feet (18 m). [4] Generally, four to five lateral roots originate from the tree, and then branch within 2 feet (60 cm); vertical, penetrating roots near the base anchor the tree.
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