Asteroxylon ("star-shaped xylem") is an extinct genus of vascular plants of the Division Lycopodiophyta known from anatomically preserved specimens described...
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more complex megaphylls of other vascular plants. The extinct genus Asteroxylon represents a transition between these two groups: it has a vascular trace...
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are: Order †Drepanophycales (including Baragwanathia, Drepanophycus and Asteroxylon) Order †Protolepidodendrales Order †Lepidodendrales Order †Pleuromeiales...
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Drepanophycales. However, Kenrick and Crane (1997) in their cladistic study place Asteroxylon in the clade Drepanophycaceae. Taylor, Taylor & Krings (2009) do not...
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(the central vasculature) later emerged towards the enations (as in Asteroxylon), and eventually continued to grow fully into the leaf to form the mid-vein...
5 KB (650 words) - 14:19, 27 November 2023
Horneophyton), and which were likely to have colonised waterlogged surfaces (Asteroxylon). In some cases, it is possible to see different mechanisms of repairing...
31 KB (3,509 words) - 18:10, 25 August 2024
Baragwanathia differed from such taxa as Asteroxylon by the presence of vascular tissue in its leaves—Asteroxylon had enations without vascular tissue. The...
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fragments were considered to be parts of Asteroxylon mackiei. In 1964 Lyon described sporangia belonging to Asteroxylon mackiei and suggested that Kidston and...
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protostele connecting with existing enations The leaves of the Rhynie genus Asteroxylon, which was preserved in the Rhynie chert almost 20 million years later...
136 KB (16,963 words) - 16:45, 9 August 2024
Aglaophyton, are also common; there are also more complex plants, like Asteroxylon, which has a very early form of leaves. Polysporangiophytes Kenrick,...
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Asteroxylon, an early vascular plant related to lycopods...
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interpreted as a representative of the ancestors of modern vascular plants and Asteroxylon mackei, which was an ancestor of modern clubmosses (Lycopsida). The stems...
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vascular plant, and grew in association with other vascular plants such as Asteroxylon mackei, a probable ancestor of modern clubmosses (Lycopsida), and with...
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†Asterotheca hemitelliodes †Asterotheca miltoni †Asterotheca oreopteridia †Asteroxylon †Athyris †Athyris fultonensis †Athyris lamellosa †Athyris parvirostra...
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euphyllophyte Asteroxylaceae – now placed in the order Drepanophycales Asteroxylon By 1975, it had become clear that the class had become increasingly unnatural...
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Kenrick, Tafforeau, Cochard, Bonnemain, Hérissé, Lardeux and Bardel 2014 Asteroxylon mackiei Kidston and Lang 1920b Balchaschella tenera Senkevitsch 1978...
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"Fungal colonization of the rooting system of the early land plant Asteroxylon mackiei from the 407-Myr-old Rhynie Chert (Scotland, UK)". Botanical...
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Drepanophycaceae for more details. It is more derived than the coexisting genus Asteroxylon, which has enations lacking vascules, in contrast to the true leaves...
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Turner et al. (2023) report diverse phyllotaxis in leaves of the lycopod Asteroxylon mackiei from the Devonian Rhynie chert (United Kingdom), including whorls...
165 KB (10,609 words) - 08:05, 20 August 2024
hemitelliodes †Asterotheca miltoni †Asterotheca oreopteridia †Asteroxylon †Asteroxylon setchelli †Astraeospongium †Astylospongia †Astylospongia praemorsa...
133 KB (6,285 words) - 07:48, 13 February 2024
Bippus, Escapa & Tomescu (2018). Meristems of rooting axes belonging to Asteroxylon mackiei are described from the Rhynie chert (United Kingdom) by Hetherington...
220 KB (14,872 words) - 07:47, 20 August 2024
Reconstruction of the structure and development of the rooting system of Asteroxylon mackiei is presented by Hetherington et al. (2021). A study on factors...
172 KB (10,710 words) - 02:27, 27 June 2024