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Non-vascular plants are plants without a vascular system consisting of xylem and phloem. Instead, they may possess simpler tissues that have specialized functions for the internal transport of water. Instead, they may possess simpler tissues that have specialized functions for the internal transport of water.
The bryophytes and vascular plants (embryophytes) also have embryonic development which is not seen in green algae. [45] While bryophytes have no truly vascularized tissue, they do have organs that are specialized for transport of water and other specific functions, analogous for example to the functions of leaves and stems in vascular land plants.
Chloroplasts (green discs) and accumulated starch granules in cells of Bryum capillare. Botanically, mosses are non-vascular plants in the land plant division Bryophyta. They are usually small (a few centimeters tall) herbaceous (non-woody) plants that absorb water and nutrients mainly through their leaves and harvest carbon dioxide and sunlight to create food by photosynthesis.
Vascular plants (from Latin vasculum 'duct'), also called tracheophytes (UK: / ˈ t r æ k iː ə ˌ f aɪ t s /, [5] US: / ˈ t r eɪ k iː ə ˌ f aɪ t s /) [6] or collectively tracheophyta (/ ˌ t r eɪ k iː ˈ ɒ f ɪ t ə /; [7] [8] [9] from Ancient Greek τραχεῖα ἀρτηρία (trakheîa artēría) 'windpipe' and φυτά (phutá) 'plants'), [9] are plants that have lignified ...
Lycopodium-like plants. Wolf plants Clubmosses Microphyll leaves, vascular system 1,290 extant Angiospermae: Seed container Flowering plants, angiosperms Flowers and fruit, vascular system with vessels 300,000: Marchantiophyta, [30] Hepatophyta [25] Marchantia-like plants. Liver plants Liverworts Ephemeral unbranched sporophytes, no vascular system
Plants with microphyll leaves occur early in the fossil record, and few such plants exist today. In the classical concept of a microphyll, the leaf vein emerges from the protostele without leaving a leaf gap. Leaf gaps are small areas above the node of some leaves where there is no vascular tissue, as it has all been diverted to the leaf.
Hornworts are a group of non-vascular Embryophytes (land plants) constituting the division Anthocerotophyta (/ ˌ æ n θ oʊ ˌ s ɛ r ə ˈ t ɒ f ə t ə,-t ə ˈ f aɪ t ə /).The common name refers to the elongated horn-like structure, which is the sporophyte.
In land plants, rhizoids are trichomes that anchor the plant to the ground. In the liverworts , they are absent or unicellular, but they are multicellular in mosses . In vascular plants , they are often called root hairs and may be unicellular or multicellular.