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Bryophytes (/ ˈ b r aɪ. ə ˌ f aɪ t s /) ... Furthermore, this view implies that stomata evolved only once in plant evolution, before being subsequently lost in ...
In all bryophytes, the primary plants are the haploid gametophytes, with the only diploid portion being the attached sporophyte, consisting of a stalk and sporangium. Because these plants lack lignified water-conducting tissues, they cannot become as tall as most vascular plants. Algae, especially green algae. The algae consist of several ...
Like all bryophytes, the dominant life phase of a hornwort is the haploid gametophyte. ... These pores superficially resemble the stomata of other plants.
The Stomatophyta are a proposed sister branch of the Marchantiophyta (Liverworts), together forming the Embryophyta. [1] The Stomatophyta consist of the Bryophyta (), and the remainder of the Embryophyta, including the Anthocerotophyta (Hornsworts).
In botany, a stoma (pl.: stomata, from Greek στόμα, "mouth"), also called a stomate (pl.: stomates), is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange between the internal air spaces of the leaf and the atmosphere.
Additionally, these bryophytes have a costa and many lamellae on the upper surface of the leaves. [12] The sporangia of mosses belonging to this genus do not have stomata, they have thirty-two peristome teeth that are composed of entire cells and a hairy calyptra. [12] At least thirty-two species [12] belongs to the genus of Pogonatum.
[citation needed] It was assumed that the gametophyte dominant phase seen in bryophytes used to be the ancestral condition in terrestrial plants, and that the sporophyte dominant stage in vascular plants was a derived trait. However, the gametophyte and sporophyte stages were probably equally independent from each other, and that the mosses and ...
The movement of water out of the leaf stomata sets up transpiration pull or tension in the water column in the xylem vessels or tracheids. The pull is the result of water surface tension within the cell walls of the mesophyll cells, from the surfaces of which evaporation takes place when the stomata are open.