The perichaetial leaf is

Webb1 jan. 2024 · Perichaetial leaves much larger than vegetative leaves, lanceolate to linear lanceolate, ca 3.5 mm long and 0.5 mm wide at base, tapering to apex from wide base; … WebbThis small epiphyte does not look like a typical member of the Orthotrichaceae such as Lewinskya affinis. Firstly, the dry leaves are curled and twisted, unlike those of L. affinis which remain more or less straight on drying. Secondly, the capsule is held above the perichaetial leaves, not surrounded by them. When ripe and dry, the capsule has ...

(PDF) The Lewinskya affinis complex (Orthotrichaceae) …

Webbperichaetial leaves show a single row of ventral guide cells; two rows of stereids surrounding a group of two-layered, thin-walled accessory (be-gleiter) cells; and a dorsal … WebbPerichaetial leaves broadly elliptical to broadly ovate, distinctly wider than upper stem leaves; lamina cells small, (You are here ) Basal paracostal cells usually elongate, 4–8 … reading usgs https://ctemple.org

Diphyscium foliosum Introduction to Bryophytes

Webb27 mars 2024 · Perichaetial definition: denoting the leaves in mosses that surround the archegonia and, later , the base of the... Meaning, pronunciation, translations and examples WebbPerichaetial leaves from ovate base long acuminate. Perigonia disc-shaped, perigonial leaves con-cave at base, acute to acuminate, fragile; leaves below perigonia erect, and not much different from vegetative leaves on sterile and female shoots. Seta 3–4 cm; capsule WebbPerichaetial leaves oblong; acute to acuminate, 3-4 mm long; base sheathing; margins serrulate at midleaf; leaf cells quadrate to short-rectangular and papillose above, linear and smooth below. Seta 0.8-1.0 mm long, brown, smooth. Capsule immersed, erect, gymnostomous, cupulate, 1.5 mm long, weakly ribbed, yellow to brown; neck not ... reading user input python

Life Cycle of Polytrichum: Gametophyte and Reproduction …

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The perichaetial leaf is

Comparative development of the sporophyte–gametophyte

Webbperichaetial leaves in H. czernyadjevae looks peculiar (Fig. 21 A); it resembles cilia in perichaetial leaves of H. striata (cf. Fig. 7: J–K in Buchbender et al., 2014); however this character might be subjective in evaluation, although fur-ther comparison seems promising; 6 seems to be unique for H. czernyadjevae, although the number of observa- Webbplano-convex throughout, making the leaves stiff and rigid. Additionally, the perichaetial leaves are gradually long acuminate and are similar to the vegetative leaves. These diagnostic traits exclude the identity of this spe-cies with Grimmia alpicola var. rivularis fo. acutifolia. The type material of Grimmia alpicola var. rivularis

The perichaetial leaf is

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Webblength of the vegetative leaves, forming a sheath around the seta, outer perichaetial leaves in several series, longer and more attenua-ted towards the middle of the perichaetium. Seta exceeding the tips of the perichaetial leaves by 1-3 mm or more, brownish, somewhat twisted, erect. Capsules not seen. (Figure 1) WebbPerichaetia with inner leaves 2-2.3 mm, awns distinct, 1/5 length expanded portion of leaf. Spores granular. Capsules mature Apr. Twigs, branches, trunks of trees, humid forests; …

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Webb2. Funaria hygrometrica is monoecious and autoecious, i.e., archegonia and antheridia develop on two different branches of the same plant. 3. On the apices of the male and female branches develop many antheridia and archegonia, respectively. They are surrounded by perichaetial leaves. http://beta.floranorthamerica.org/Bartramia_ithyphylla

WebbA taxonomic revision of orthotrichaceae (MUSCI) with contributions to the biosystematics of Macromitrium brid. in Malaysia / Yong Kien Thai

Webb30 juli 2024 · The perichaetial leaves are usually less prorulose with more lax areolation; the exostome teeth are sometimes cleft distally and lack intermediate abaxial thickenings. Bartramia stricta lacks a sheathing leaf base but otherwise is … reading utility body parts onlineWebbSchistidium dupretii (w) – Exothecial cells usually isodiametric, often quadrate, but sometimes with patches of elongate cells, forming a ± regular to very regular pattern; perichaetial leaves narrow or wide, usually concealing major part of the urn; hair point various, but not conspicuously narrower than the chlorophyllose part of the leaf apex; … how to switch from trazodone to mirtazapineWebb17 juni 2024 · However, the perichaetial leaves are long and slightly sheathing at the base, the basal cells are not strongly differentiated from the distal cells, which can be papillose (mainly, on the dorsal side of the leaf), and usually slightly thick-walled, the marginal laminal cells are undifferentiated, and some cross-sections of the stem seem to show a … reading utility bed dealershttp://arctoa.ru/ru/Archive-ru/24_2/Arctoa24_382_388.pdf reading utility body door hingesWebb17 apr. 2010 · In a histological developmental study of the sporophyte–gametophyte junction in mosses, Roth ( 1969) classified the junction into six types based on the criteria of the positional relationship between foot and gametophytic organs, such as conducting strands, unfertilized archegonia and innermost perichaetial leaves. how to switch from tpu to irrWebb1 apr. 2024 · This tiny corticolous species is best characterized by its granulose ornamentation ( Fig. 2F, G) of the undivided peristomes. Gametophytically it is … how to switch from vdi to desktopWebbnoun peri· chae· ti· um plural perichaetia -tēə : an enveloping sheath in a bryophyte especially : a cluster of modified leaves surrounding the sex organs or later the seta of mosses Word History Etymology New Latin, from peri- + Greek chaitē flowing hair, mane, foliage + New Latin -ium Love words? reading utility truck bed