What does lepidodendrales mean?

Definitions for lepidodendrales

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Princeton's WordNet

  1. Lepidodendrales, order Lepidodendralesnoun

    fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous


  1. Lepidodendrales

    Lepidodendrales (from the Greek for "scale tree") were primitive, vascular, heterosporous, arborescent (tree-like) plants related to present day lycopsids. Members of Lepidodendrales are the best understood of the fossil lycopsids due to the vast diversity of Lepidodendrales specimens and the diversity in which they were preserved; the extensive distribution of Lepidodendrales specimens as well as their well-preservedness lends paleobotanists exceptionally detailed knowledge of the coal-swamp giants’ reproductive biology, vegetative development, and role in their paleoecosystem. The defining characteristics of the Lepidodendrales are their secondary xylem, extensive periderm development, three-zoned cortex, rootlike appendages known as stigmarian rootlets arranged in a spiralling pattern, and megasporangium each containing a single functional megaspore that germinates inside the sporangium. Many of these different plant organs have been assigned both generic and specific names as relatively few have been found organically attached to each other. Some specimens have been discovered which indicate heights of 40 and even 50 meters and diameters of over 2 meters at the base. The massive trunks of some species branched profusely, producing large crowns of leafy twigs; though some leaves were up to 1 meter long, most were much shorter, and when leaves dropped from branches their conspicuous leaf bases remained on the surface of branches. Strobili could be found at the tips of distal branches or in an area at the top of the main trunk. The underground organs of Lepidodendrales typically consisted of dichotomizing axes bearing helically arranged, lateral appendages serving an equivalent function to roots. Sometimes called "giant club mosses", they are believed to be more closely related to extant quillworts based on xylem, although fossil specimens of extinct Selaginellales from the Late Carboniferous also had secondary xylem.


  1. lepidodendrales

    Lepidodendrales is an extinct order of trees, often known as scale trees, that flourished during the Carboniferous period. They belong to the division Lycopodiophyta, and had a tall, single trunk with a crown of branches at the top. They were characterized by their scaly bark and their long, grass-like leaves. They are significant in the formation of coal deposits.


  1. Lepidodendrales

    Lepidodendrales were primitive, vascular, arborescent plants related to the lycopsids. They thrived during the Carboniferous period, and some reached heights of over 30 meters, with trunks often more than one meter in diameter. Sometimes called "giant club mosses", they are in fact more closely related to quillworts than to club mosses.

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  1. Chaldean Numerology

    The numerical value of lepidodendrales in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of lepidodendrales in Pythagorean Numerology is: 8


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"lepidodendrales." Definitions.net. STANDS4 LLC, 2024. Web. 14 Jul 2024. <https://www.definitions.net/definition/lepidodendrales>.

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