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In a vascular plant, the stele is the central part of the root or stem [1] containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue and a pericycle, which, if present, defines the outermost boundary of the stele.
1 Books. 2 Journal articles. Toggle Journal articles subsection ... 2.4 Asplenium. 3 Websites. Toggle the table of contents. Wikipedia: WikiProject Pteridophytes ...
The mature sporangia have a wall that is just a single cell thick, [8] and are typically covered with a scale called the indusium, which can cover the whole sorus, forming a ring or cup around the sorus, or can also be strongly reduced to completely absent.
Ceratopteris is also important in the study of pteridophytes and is a commonly used model organism for use in genomic studies, due to the ease and rapidity with which it can be grown in laboratories, as well as having well-characterized phenotypes. Patented strains of this plant have been developed.
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By Dawn Chmielewski. LOS ANGELES (Reuters) - Foad Farid, a data scientist and engineer who lives in the Pacific Palisades, left home on Tuesday morning for an appointment in Malibu when he began ...
The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relationships discovered through phylogenetic studies. In 2016, the group published a classification for extant ...
Dreams really do come true at the Pop-Tarts Bowl. The Pop-Tarts Bowl and GE Appliances announced on Monday, Dec. 16 that the trophy for the 2024 bowl game will feature a full-operational toaster.