It is by Joseph M. DiTomaso at University of California - Davis. 1a Malformations of parts above ground => 2. Tufted, rhizomatous or stoloniferous annuals or perennials. However, the averaged values of the tested traits did not significantly differ between the countries, except for the inflorescence emergence date. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. Inflorescence open, generally oblong to ovate in outline; spikelets not crowded, inflorescence . Panicle oblong to ovate, 1–20 cm long, 1–12 cm wide. : Punctodera punctata Nr. Agrostis capillaris, like many other members of the Agrostis genus are a valuable agronomic species because of their ability to produce fodder as well as provide food for grazing animals (APHIS, undated). At some sites Agrostis capillaris was a minor component of otherwise indigenous vegetation; other sites were extensively modified. Agrostis x fouilladeana Lambinon et Verloove (A. capillaris x A. castellana) (Eur., N-Afr., W-As.) Culms slender, erect or spreading. Steinbuch in 1799. Spikelets pedicelled. Culm-internodes smooth. Agrostis capillaris were agronomically characterized and classified in four groups with 62 distinctive characteristics ... plant height, inflorescence length and flag leaf length and width. Inflorescence compound, a panicle. The number of galls ranged from 1-24 per 25 g of grass seed (Alderman et al., 2003). inflorescence. Culms erect, or geniculately ascending; 10–70 cm long; 2–5 -noded. ©Prof Matt Lavin-2009/Bozeman, Montana, USA - … Agrostis gigantea is a perennial C 3 grass (Waller and Lewis 1979), to 1 m (usually much shorter), stems erect to reclining (USDA, NRCS 2006), sod-forming from rhizomes; new shoots arising at base of old flowering stems in late summer and fall.. Leaves alternate, blade 0.3-0.8 cm wide, much shorter than flowering stems, ligule 0.3-0.6 cm long, longer than wide. Derivation: Greek agrostis, name of a grass. It has been bred as a GMO creeping bent grass. Inflorescence 12-35 cm long: A. propinqua (NSW VIC) A. sp. Agrostis capillaris Brown-top Bent Aira cupaniana Small Hair-grass Aira sp. – Increasingly found naturalised in newly sown road verges, off-ramps and lawns, also in ruderal areas, dumps, coalmine heaps, sand-raised sites, railway yards and other man-made habitats.First reported from Roeselare in 1998 (Lambinon & Verloove 2000). Some species of bents are commonly used for lawn grass. Inflorescence an open or contracted, usually much branched panicle of small spikelets. History and significance. We advise against extracting comparative information from the descriptions. setifer Spreading Grey-beard Grass Agrostis capillaris L. APNI* . September, 2011. Subject: Life Sciences GET ALERTS DONATE. Agrostis capillaris: Common Bent: Inflorescence is a very fine branched panicle, 1-flower per spikelet. str.) in certain grass-seed-growing areas of the Pacific Northwestern USA. Inflorescence branches: Ventenata dubia (North Africa grass); Vententata colonizes disturbed sites in open dry areas. which Agrostis capillaris was found growing. Rhizomes elongated. ISSN: 0022-300X eISSN: 2640-396X DESCRIPTION Ligule membranous. Inflorescence a panicle. Fertile spikelets 1-flowered, comprising 1 fertile floret(s), without rachilla extension, lanceolate or oblong, laterally compressed, 2–3.5 mm long. 8 . Panicle open; oblong to ovate; 1-20 cm long; 1-12 cm wide. Geographic subdivisions indicated for the distribution of Agrostis capillaris . Sheaths smooth and rounded on the back; ligule truncate or rounded, c. 1 mm long; blade flat, 1–17 cm long, 1–5 mm wide. Leaf-sheaths without keel; smooth. capillaris, stolonifera: Subanguina radicicola 1c Roots are abnormally short and strongly bushy branched with half a mm large, initially white, later yellowish brown to dark brown elliptic bodies, cysts, attached.Agrostis spp. sambukii Tzvelev; Agrostis ceretana Sennen; Agrostis claudii Sennen; Agrostis divaricata Hoffm. Stolons absent, or present. Seeds colonize recently disturbed sites with exposed mineral soil seedbeds [ 22 ]. Inflorescence to 12 cm long: 8: 8. Spikelets often gaping, with 1 bisexual floret, on slender pedicels, disarticulating above or below the glumes, the spikelets or florets falling from the persistent inflorescence (Agrostis s. Glumes similar, firmer than fertile lemma, shiny. Boise, Idaho. A. agrostis, is a serious pest of bentgrass (Agrostis spp.) Clive Stace, in New Flora of the British Isles (Second Edition), Cambridge University Press, 1997, lists eleven species of which the following six are likely to be met with in East Anglia : Agrostis capillaris, A. stolonifera, A. gigantea, A. vinealis, A.canina and Agrostis capillaris is often referred to in many scientific articles and research as Agrostis tenuis.The accepted name according to ITIS is A. capillaris, while A. tenuis remains a synonym it is commonly found and incorrectly labeled as the primary name (ITIS, 2008).\r\n\r\n. SITE CHARACTERISTICS: Rough bentgrass occurs throughout a wide variety of habitats including woodlands, forest openings, grasslands, shrublands, meadows, swamps, bogs, marshes, and stream and lake … Anguina agrostis was one of the first plant parasitic nematodes to be taxonomically described by J.G. Spikelets. Resistance between species and between varieties of the same species of Agrostis varies considerably, however, it is generally accepted that A. tenuis is more susceptible to infection than A. canina or A. stolonifera (Gould et al., 1978; Smith, 1980). Agrostis capillaris. Ligule an eciliate membrane; 0.5–2 mm long (shorter than wide); truncate. Description: Tufted or rhizomatous perennials, sometimes spreading by stolons, usually to c. 50 cm tall. ... Agrostis capillaris var. The spikelets are yellowish, greenish, or purplish, and very narrow and pointed. Agrostis dubia DC. 61 (1753). INTRODUCTION Recent studies indicate that the selection pressures operating in natural populations can be much greater than the nominal values used in early models of natural selection constructed by … Journal of Nematology. NameThatPlant.net currently features 3816 plants and 23,855 images. Glumes. (Agrostis canina L., Agrostis gigantea Roth, Agrostis stolonifera L. and Agrostis capillaris L) Stage of examination UPOV Character Number1 Character description PRIMARY Vegetative Plant 2 Growth habit Leaf 4 Colour 5 Width Heading/Flowering Plant 8 Time of inflorescence emergence Inflorescence. Inflorescence a loose or contracted panicle, persisting on the culm after maturity (cf. Pl. As a result, it is not expedient to discriminate the genetic resources of Agrostis capillaris according to geographic criterion. Agrostis capillaris (Common Bent-grass) – Inflorescence a finely branched panicle of very small, 1-flowered spikelets and usually flat, glabrous and finely pointed leaf blades and (in A.capillaris) a short ligule, Awns in Agrostis are very variable and an unreliable character for distinguishing species. Image 5387095 is of colonial bentgrass (Agrostis capillaris ) flower(s). Agrostis ericetorum Bergeret; Agrostis exilis Loisel. The diffuse inflorescence breaks away at maturity and can be dispersed over long distances by wind . Agrostis capillaris, Rhode Island Bentgrass, Colonial Bentgrass, Browntop. Inflorescence branches flexuose: A. joyceae (NSW) Inflorescence branches stiffly spreading or divaricate: 10: 10. Leaf-blades 1–15 cm long; 1–5 mm wide. The inflorescence is a dense cylindrical panicle up to 12 centimeters long. Economic Importance: C-rated pest in California Nematode Pest Rating System.. 37, 46, and 48% of orchard grass seed samples from the Willamette Valley of Oregon during 1996, 1997, and 2000, respectively, containing Anguina galls. Synonymy: Not Applicable Common name: None Description: Annuals or perennials; leaf blades flat, usually expanded or folded. Key words: Agrostis capillaris L., copper tolerance, competition. Citation: L., Sp. Hair-grass Allium triquetrum Three-cornered Garlic Allocasuarina muelleriana ssp. Agrostis gigantea is ecologically adapted to a more extreme climate—hot summers/cold winters and drought—than A. stolonifera. F in AusGrass. 1b Roots with only, crooked to screw-shaped, twisted swellings several mm long.A. The long, naked, straight and wiry inflorescence branches diverging at right angles are distinguishing. caricinus Long Grey-beard Grass Amphipogon strictus var. It is also similar to A. capillaris (p. 639) and A. castellana (p. 639); it differs from both in its longer ligules, from A. capillaris in its less open panicles with spikelets near the base of the branches, and from A. castellana in being more extensively rhizomatous. Agrostis (bent or bentgrass) is a large and very nearly cosmopolitan genus of plants in the grass family, found in nearly all the countries in the world. Society of Nematologists . To examine putative specialization of a hemiparasitic plant to the most beneficial host species, we studied genetic variation in performance and trade‐offs between performance on different host species in the generalist hemiparasite, Rhinanthus serotinus.We grew 25 maternal half‐sib families of the parasite on Agrostis capillaris and Trifolium pratense and without a host in a greenhouse. Uses. While Agrostis as a genus is easily recognised the species within it are not. HABIT Perennial; caespitose. Leaf blades 0.25-1.4 mm wide: 9: Leaf blades 2-2.5 mm wide: 11: 9. E and A. sp. A. capillaris is highly variable with many cultivars recognised. muelleriana Common Oak-bush Allocasuarina striata Stalked Oak-bush Amphipogon caricinus var. , usually expanded or folded a grass winters and drought—than A. stolonifera 1–20 cm long ; 1-12 wide.: Annuals or perennials ; leaf blades 2-2.5 mm wide: 11: 9: leaf blades flat, much! 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