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Rhynia adalah jenis tumbuhan berpembuluh berspesies tunggal periode Devon. Spesies ini, yang dikenal dengan nama Rhynia gwynne-vaughanii, merupakan bagian dari sporofit, yang merupakan generasi tumbuhan darat embriofit diplohaplontik berpembuluh. Pada Devon Awal, tumbuhan ini memiliki ciri-ciri anatomi yang lebih maju dibandingkan dengan tumbuhan berpembuluh. Rhynia gwynne-vaughanii juga termasuk dalam kelompok yang terkait erat dengan semua eutracheophyta lainnya, termasuk tumbuhan berpembuluh modern.




Filogeni


Pada tahun 2004, Crane et al. mempublikasikan sebuah kladogram untuk polysporangiophyta, di mana Rhynia dan Rhyniaceae lainnya ditempatkan sebagai tumbuhan berpembuluh basal (tracheophyta).




Rujukan

Kata Kunci Pencarian:

• Rhynia
• Eorhynia
• Psilotaceae
• Aglaophyton
• Rhyniophyta
• Rhynia
• Aglaophyton
• Rhyniophyte
• Transitional fossil
• Rhynie chert
• Botany
• Psilophytopsida
• Embryophyte
• Plant
• Enation

Artikel Terkait "rhynia"

Rhynia - Wikipedia

Rhynia is a single-species genus of Devonian vascular plants. Rhynia gwynne-vaughanii was the sporophyte [2] generation of a vascular, axial, free-sporing diplohaplontic embryophytic land plant of the Early Devonian that had anatomical features more advanced than those of the bryophytes.

Structure of Rhynia (With Diagram) | Pteridophytes - Biology …

In this article we will discuss about the external, internal and reproductive structures of rhynia. The plants of Rhynia were herbaceous. R. major was 50 cm. in height and 1.5 to 6 mm in diameter whereas R. gwynne-vaughani was only about 20 cm. in height and 1 to 3 mm in diameter.

Fossil plant: Rhynia

Rhynia belongs to the family Rhyniaceae and order Psilophytales. The order Psilophytales consists of 9 families and 25 genera: all are fossils. The fossil evidence show that Psilophytales became extinct during upper Devonian period. They lived from middle Silurian to upper Devonian.

Rhynia | fossil plant genus | Britannica

Rhynie plant, rootless, leafless, spore -bearing plant preserved in the Rhynie Chert, a mineral deposit that has been dated to the early part of the Devonian Period (416 to 359 million years ago), near present-day Aberdeen, Scot.

Rhynie plant | Ancient, Silurian, Scotland | Britannica

Rhynie plant, rootless, leafless, spore-bearing plant preserved in the Rhynie Chert, a mineral deposit that has been dated to the early part of the Devonian Period (416 to 359 million years ago), near present-day Aberdeen, Scot. Rhynia, one of the most common forms, was about 18 cm (about 7 inches)

Life cycle of Rhynia

Kingdom-Plantae Division-Tracheophtes Class-Rhyniopsida Order –Rhyniales Family –Rhyniaceae Genus –Rhynia. They are simplest extint vascular plant. Discovered by Sir William Dawson’s (1858) from Devonion period of Palaezoic age. Found at USA, scotland,Norway and Belgium. Some invistigater Dr.Mackie(1913),Dr.Kidston and prof.lang .

Fossil flora | School of Geosciences | The University of Aberdeen

Rhynia is a member of an extinct group of primitive plants called the rhyniophytes, characterised by their simple branching and naked stems. Rhynia commonly grew in thickets, typically on its own as monotypic stands and was often an early coloniser of …

Lab IV - Early Land Plants (2) - University of California Museum of ...

Rhynia (Figure 4.7) is also a vascular plant, somewhat monopodial branching to a height of about 18 cm. Upright axes branched from horizontal rhizomes that bore delicate rhizoids. Small bumps are noted along the axis, some of which may contain archegonia.

Rhynia - Wikiwand

Rhynia is a single-species genus of Devonian vascular plants. Rhynia gwynne-vaughanii was the sporophyte generation of a vascular, axial, free-sporing diplohaplontic embryophytic land plant of the Early Devonian that had anatomical features more advanced than those of the bryophytes.

Rhynia - Encyclopedia.com

08 Mei 2018 · Rhynia was a simple, leafless plant with a creeping, horizontal stem (rhizome) from which the upright, aerial shoots arose. The tips of fertile shoots bore oval-shaped sporangia (see SPORE) and the prostrate, horizontal axis was supported by rhizoids rather than true roots.