polytrichum commune description

Description. Polytrichum commune is a medium to large moss. The adult plant consists of two parts: rhizome and upright leafy shoot. This is an example of a xeromorphic adaption, an adaptation for dry conditions. The costa, or central stalk of the leaf, is toothed on the underside near the apex, and is excurrent, meaning it extends beyond the end of the apex, ending in a short, rough awn. June 3, 2014. Usually about 4 to 12 cm long. Value Class Food Spores 6-11 µm diam. It is dark green in colour, but becomes brownish with age. The microenvironment between the lamellae can host a number of microscopic organisms such as parasitic fungi and rotifers. Symbol Scientific Name; POCOM4: Polytrichum commune Hedw. How to recognize common haircap moss : This moss is very distinctive when it is growing new capsules, since they are larger than many moss sporophytes and are covered with a hairy calyptra. It is toothed from the base of the blade up to the apex, with the teeth being unicellular and embedded in the margin. The maximum concentration of metals in P. commune from the control site was 70 % lower than for Cu and similar for Pb compared to those in Polytrichum strictum examined by de Ferro et al. This name is reported by Polytrichaceae as an accepted name Habitat: Macroscopic features: Drug name: Active compounds: Medicinal uses: VI. Pagka karon wala pay siak nga nalista ubos niini niya. Almost a cosmopolitan species with a distribution that includes New Zealand, the Pacific islands, Africa and South America. Their margins are distinctly grooved with 2 rows of paired, projecting knobs. Description: Polytrichum commune is a medium to large moss. Polytrichum have worldwide distribution. However, it is not a legal authority for statutory or regulatory purposes. Polytrichum commune usually has rather distant leaves with glossy sheathing parts covering the stem. It grows natively on almost every continent and is the most widely used decorative moss in landscaping. Deutsch: Polytrichum commune var perigoniale, Heide-Haarmützenmoos, Kleines Widertonmoos. [5], Another characteristic feature of the species (and the genus) is its parallel photosynthetic lamellae on the upper surfaces of the leaves. Polytrichum commune Hedw. 2/4/17 – Polytrichum commune – wiry green stems with long stiff leaves, also brown old ones. Additionally, the leaves will curve and then twist around the stem when conditions become too dry, this being another xeromorphic adaptation. Deutsch: Polytrichum commune, Gemeines Haarmützenmoos, Gemeines Widertonmoos, Goldenes Frauenhaarmoos. It is speculated that the teeth along the leaf's edge may aid in this process, or perhaps also that they help discourage small invertebrates from attacking the leaves. The leaves of the perichaetium have a long sheath with a scarious (i.e. yukonense (Cardot & Thér.) [3], The lamellae, ridges of cells that run along the leaf surface, are crenulate (i.e. maximoviczii Lindb. Plants live in cool and shady places. Sexual condition dioicous; perichaetial leaves with a long, scarious-margined sheath and blade greatly reduced, gradually narrowed to a finely acuminate tip, the margins toothed, denticulate to subentire, the costa short- to long-excurrent, roughened to almost smooth. It is dark green in colour, but becomes brownish with age. Also known as common haircap, great golden maidenhair, great goldilocks, common haircap moss, or common hair moss. Long | Polytrichum commune var. [5], NYTimes 2008 Moss Makes a Lush, No-Care Lawn, https://en.wikipedia.org/w/index.php?title=Polytrichum_commune&oldid=945552875, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 March 2020, at 18:25. It forms in dense, tall, dark green turfs. Description: Polytrichum commune is one of the tallest mosses and definitely has the tallest sporophytes, Haircap Moss provides erosion control solutions holding the soil tightly in place.Plants are a deep green with dramatic changes in appearance based upon moisture content. General - dark green, robust, unbranched, 4 - 15. most widely distributed species is P. commune, which often attains a height of 15 cm (6. Polytrichum commune Hedw., Moss Flora of China, Tropicos.org, 2019 Accessed March 2020, http://www.efloras.org/flora_page.aspx?flora_id=1, http://www.worldfloraonline.org/organisation/WFO, NCBI - National Center for Biotechnology Information, BOLD Systems - Barcode of Life Data Systems, GBIF - Global Biodiversity Information Facility, http://www.theplantlist.org/tpl1.1/ record/tro-35125360. The reddish brown or dark green phyllids (leaves), often 12 mm (0.4 inch) long, have sheathed bases and pointed… Polytrichum commune is generally dark green, robust, 4-20 centimeters tall. Polytrichum commune (and the genus) is characterized by photosynthetic, vertical lamellae on the upper leaf surface which is a xeromorphic adaptation to dry conditions. It is sharply 4 winged, inclined to horizontal, and glaucous when fresh. Trouvez les Polytric Commun images et les photos d’actualités parfaites sur Getty Images. Polytrichum definition is - a large genus (the type of the family Polytrichaceae) of mosses chiefly of temperate and arctic regions. The stems can occur in either loose or quite dense tufts, often forming extensive colonies. Download this Moss Life Cycle Diagram Of Life Cycle Of Common Haircap Moss With Titles vector illustration now. Species description: Polytrichum commune • ウ マスギゴケ • Osugi goke (literally: Great cryptomeria moss). Calyptra golden yellow to brownish, completely enveloping the capsule. It typically grows in bogs, wet heathland and along forest streams. membranous) margin, while the blades themselves are greatly reduced, gradually narrowing to a finely acuminate tip. Like other species in the Polytrichaceae, Polytrichum strictum has leaves with a single costa, vertical lamellae, a water-repelling cuticle, and rhizoids that appear to facilitate external water movement in addition to anchoring the plant. Our results thus indicate that the control site can be considered relatively free from industrial influence. L'urne des sporogones libère des spores capables de redonner des mousses feuillées. description. It has also been used as decorative material on New Zealand Maori cloaks by being woven into the fabric. commune and var. Polytrichum commune at Kitty Todd State Nature Preserve in Lucas County, Ohio. Click on a scientific name below to expand it in the PLANTS Classification Report. The stems are most typically found at lengths of 5 to 10 cm, but can be as short as 2 cm or as long as 70 cm. The stems can occur in either loose or quite dense tufts, often forming extensive colonies. polytrichum commune class. Frye: POJE: Polytrichum jensenii I. Hagen: POYU3: Polytrichum yukonense Cardot & Thér. This sheath is typically golden yellow and shiny, and it is abruptly contracted to the narrowly lanceolate blade. Occurs in Qld, N.S.W., A.C.T., Vic. The stems can occur in either loose or quite dense tufts, often forming extensive colonies. Polytrichum commune usually has rather distant leaves with glossy sheathing parts covering the stem. nigrescens Warnst. The reddish brown or dark green phyllids (leaves), often 12 mm (0.4 inch) long, have sheathed bases and pointed…. Click below on a thumbnail map or name for subspecies profiles. Polytrichum commune. Media in category "Polytrichum commune" The following 132 files are in this category, out of 132 total. Rhizome: It is horizontal portion and grows underground. Polytrichum commune. When these two tissue types are taken into account along with the species' exceptional height, it becomes clear that common haircap moss is quite a unique moss considering that the majority of species show little differentiation of conducting tissue and are restricted to much smaller stem lengths. humile Sw., 1829 | Polytrichum commune var. Polytrichum commune is a medium to large moss. About 10 species are found in North America. diminutum (Hag.) The most widely distributed species is P. commune, which often attains a height of 15 cm (6 inches) or more and may form large tussocks or wide beds… The stems can occur in either loose or quite dense tufts, often forming extensive colonies. Because of its size, Polytrichum commune cannot survive using the water that passes across its leaf surfaces alone. Source for information on Polytrichum… The Plants Database includes the following 3 subspecies of Polytrichum commune . This tissue is analogous to xylem in higher plants. It is widely distributed throughout temperate and boreal latitudes in the Northern Hemisphere and also found in Mexico, several Pacific Islands including New Zealand, and also in Australia. nigrescens Warnst. This minimises water loss as relatively little tissue is directly exposed to the environment, but allows for enough gas exchange for photosynthesis to take place. Spores 5-8(-12) µm. How to recognize common haircap moss : This moss is very distinctive when it is growing new capsules, since they are larger than many moss sporophytes and are covered with a hairy calyptra. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2007. In Japan it grows on Hokkaido, Honshu, Shikoku, Kyushu. Shares. in the same type of clean sites. Polytrichum commune Hedw. – polytrichum moss Subordinate Taxa. Polytrichum commune : 35 - Polytrichum piliferum : 100 - Polytrichum formosum : 121 - Polytrichum commune var. Dense tufts of slender stems from 6–12 cm form 20–40 cm hummocks in bogs and similar substrates. with small rounded teeth) in profile and are 5 to 9 cells high. Polytrichum strictum Scientific classification Kingdom: Plantae Division: Bryophyta Class: Polytrichopsida Order: Polytrichales Family: Polytrichaceae Genus: Polytrichum Species: P. strictum Binomial name Polytrichum strictum Bridel, J. Bot. 1. While mosses are considered non-vascular plants, Polytrichum commune shows clear differentiation of water conducting tissue. A Project of the World Flora Online Consortium. nearly square). When dry they are erect, but when moist they are sinuous with recurved tips and are generally spreading to broadly recurved, or sharply recurved from the base. 2 observations 1 commune … perigoniale: Plants growing in congested tufts; stems to 6 cm tall; leaves closely spaced and tightly overlapping, ribbon-like, contorted when dry; the marginal teeth not as sharp as in var. Date: 11 October 2010: Source: Own work: Author: HermannSchachner : Aufnahmeort: Planneralm, Niedere Tauern, Steiermark, Austria Camera location: 47° 24′ 04″ N, 14° 11′ 56″ E View this and other nearby images on: OpenStreetMap - Google Earth: Licensing . They range in stiffness from erect to decumbent (i.e. The stems are most typically found at lengths of 5 to 10 cm, but can be as short as 2 cm or as long as 70 cm. Description. Polytrichum commune var. Sur les tiges simples des plantes femelles, des feuilles lancéolées, embrassantes, sont disposées en spirale tout autour de la tige. Stems to 18 cm tall. 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