6 days ago · From Wikipedia, the free encyclopedia. Vascular plants (from Latin vasculum: duct), also known as tracheophytes (from the equivalent Greek term trachea ), form a large group of plants ( c. 308,312 accepted known species) that are defined as land plants that have lignified tissues (the xylem) for conducting water and minerals throughout the plant.
10 hours ago · Vascular plants. Cavitation occurs in the xylem of vascular plants when the tension of water within the xylem exceeds atmospheric pressure. The sap vaporizes locally so that either the vessel elements or tracheids are filled with water vapor. Plants are able to repair cavitated xylem in a number of ways.
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4 days ago · Embryophytes include the vascular plants, such as ferns, conifers and flowering plants. They also include the bryophytes , of which mosses and liverworts are the most common. All of these plants have eukaryotic cells with cell walls composed of cellulose , and most obtain their energy through photosynthesis , using light , water and carbon dioxide to synthesize food.
6 days ago · A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients and in having life cycles in which the sporophyte is the dominant phase. Ferns have complex leaves called megaphylls, that are more complex than the microphylls of clubmosses. Most ferns are leptosporangiate ferns. They produce coiled fiddleheads that uncoil and expand into frond
5 days ago · Lignin is a class of complex organic polymers that form key structural materials in the support tissues of vascular plants and some algae. Lignins are particularly important in the formation of cell walls, especially in wood and bark, because they lend rigidity and do not rot easily. Chemically, lignins are cross-linked phenolic polymers.
4 days ago · The first fossil records of vascular plants, that is, land plants with tissues that carry water and food, appeared in the second half of the Silurian period. The earliest-known representatives of this group are Cooksonia .
Nymphoides aquatica  är en vattenklöverväxtart som först beskrevs av Thomas Walter, och fick sitt nu gällande namn av Carl Ernst Otto Kuntze. Nymphoides aquatica ingår i släktet sjögullssläktet, och familjen vattenklöverväxter.
The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
Among vascular plants, a small group of angiosperm s known as poikilohydric or resurrection plants, such as Craterostigma plantagineum can tolerate extreme dehydration at the whole plant level.
Jun 25, 2020 · “A checklist of familial and suprafamilial names for extant vascular plants”. Phytotaxa 6: 1–402. Phytotaxa; 菌類 『生物学辞典 第4版』 Hibbett et al. (2007). “A higher-level phylogenetic classification of the Fungi”. Mycol Res. 111 (5): 509-47. PMID 17572334; 原生生物
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