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Selaginella, also known as spikemosses or lesser clubmosses is a genus of lycophyte. ... Stem section shows the presence of more than two protosteles.
Exarch protosteles are a defining characteristic of the lycophyte lineage. plectostele – a protostele in which plate-like regions of xylem appear in transverse section surrounded by phloem tissue, thus appearing to form alternating bands. [8] These discrete plates are interconnected in longitudinal section.
Selaginella moellendorffii is a lycophyte that is an important model organism, especially in comparative genomics. S. moellendorffii is a member of an ancient vascular plant lineage that first appeared in the fossil record some 400 million years ago. They would later form a dominant part of the world's flora during the Carboniferous period.
In plant anatomy and evolution a microphyll (or lycophyll) is a type of plant leaf with one single, unbranched leaf vein. [1] Plants with microphyll leaves occur early in the fossil record, and few such plants exist today.
Selaginella aboriginalis C.Schulz & Homberg Selaginella acanthonota Underw. Selaginella acanthostachys Baker Selaginella achotalensis Shelton & Caluff Selaginella aculeatifolia Valdespino Selaginella acutifolia (Stolze) Valdespino Selaginella adunca A.Braun ex Hieron. Selaginella aenea Warb. Selaginella agioneuma Valdespino & C.López Selaginella aitchisonii Hieron. Selaginella alampeta M ...
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Selaginella selaginoides is a non-flowering plant of the spikemoss genus Selaginella with a wide distribution around the Northern Hemisphere. It resembles a moss in appearance but is a vascular plant belonging to the division Lycopodiophyta .
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