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All living conifers are woody plants, and most are trees, the majority having a monopodial growth form ... 300 million-year-old conifer in Illinois – 4/2007;
The oldest of this species is more than 4,800 years old, [1] ... where most other plants cannot even ... are cone-bearing seed plants commonly known as conifers; ...
Based on the size and growth rate of its lignotuber, the largest single specimen is estimated to be 3,000 years old. However, it is possible that two other specimens are actually the result of a split in the original rootstock, and based on their spread of 26m would be estimated at 13,000 years old, potentially the oldest single tree on earth. [77]
Cordaites, a tall plant (6 to over 30 meters) with strap-like leaves, was related to the cycads and conifers; the catkin-like inflorescence, which bore yew-like berries, is called Cardiocarpus. These plants were thought to live in swamps and mangroves.
Land plants evolved from a group of freshwater green algae, perhaps as early as 850 mya, [3] but algae-like plants might have evolved as early as 1 billion years ago. [2] The closest living relatives of land plants are the charophytes, specifically Charales; if modern Charales are similar to the distant ancestors they share with land plants, this means that the land plants evolved from a ...
A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) [2] of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.. World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, [3] and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), [4] making it ...
Podocarpus (/ ˌ p oʊ d ə ˈ k ɑːr p ə s / [2]) is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. Podocarpus species are evergreen shrubs or trees, usually from 1 to 25 m (3 to 82 ft) tall, known to reach 40 m (130 ft) at times.
Many junipers (e.g. J. chinensis, J. virginiana) have two types of leaves; seedlings and some twigs of older trees have needle-like leaves 5–25 mm (3 ⁄ 16 –1 in) long, on mature plants the leaves are overlapping like (mostly) tiny scales, measuring 2–4 mm (3 ⁄ 32 – 5 ⁄ 32 in). When juvenile foliage occurs on mature plants, it is ...