Northern Kermadec Islands where locally common on The Meyers, Herald Islets, Chanters and Napier. ex Trin.) long, or digitate in the smaller plants; racemes 4–15 cm. Büse. Recognized by USDA PLANTS images, Wikidata, and USDA Plants data. Preferred name: Digitaria setigera. microbachne (C.Presl) Fosberg Digitaria setosa Desv. Despite this Edgar & Shand (1987), Edgar & Connor (2000, 2010) treated Digitaria setigera as naturalised to the Kermadec Islands though without providing any justification for their decision (it is assumed they took advice from W.R. Sykes). Name. Field and herbarium studies have revealed a greater diversity of Thai Digitaria (Poaceae) than previously known. Leaves are generally shorter, wider and more tapered than those of most other grasses. The leaves are up to 25 cm long and 1 cm wide. Transactions and Proceedings of the New Zealand Institute 42: 118–175. Government Printer, Wellington. Cheeseman, T.F. Digitaria setigera has also been reported from Raoul Island but there it has been much confused with the superficially similar D. ciliaris (common on Raoul as an introduced species) and it is not clear if it still present on that island. Digitaria setigera Roth – East Indian crabgrass : Species: Digitaria setivalva Stent – crabgrass : Species: Digitaria similis Beetle ex Gould – roadside crabgrass : Species: Digitaria simpsonii (Vasey) Fernald – Isle-of-Pines crabgrass : Species: Digitaria singularis Mez Species: Digitaria swalleniana Henrard – Swallen's crabgrass (1771) Büse var. Digitus is the Latin word for "finger", and they are distinguished by the long, finger-like inflorescences they produce. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database. (2018) accept Digitaria setigera as indigenous to the Kermadec Islands. Cheeseman, T.F. Edgar, E and J.E. V. Grasses. Common names include crabgrass, finger-grass, and fonio. New Zealand Department of Scientific and Industrial Research Bulletin 219: 1–199. Despite this view, Pacific flora and grass treatments and view points of botanists studying that region, notably including Sykes himself when question in 2013, regard this grass as indigenous to tropical Asia, Malesia, the Pacific Islands and northern Australia, and significantly with respect to the Kermadec Islands, also the nearby Norfolk Island group, so its presence on the Northern Kermadec Island group is not incompatible with it being indigenous there (Green 1994, Whistler 1995; Edgar & Connor 2010; R. O. Gardner, W.R. Sykes & W.A. These species often become problem weeds in lawns and gardens, growing especially well in thin lawns that are watered lightly, under-fertilized, and poorly drained. December 2013). The voids then become prime areas for the crabgrass seeds to germinate the following season. Preferred Scientific Name Digitaria sanguinalis Linnaeus (Scop.) & F.W. Presented here is summary information about the species Digitaria setigera from the Global Compendium of Weeds, and citations of references to this species as a weed.Definitions of terms are available in the GCW introduction .For further information--or to report corrections or concerns--contact webmaster@hear.org. Transactions and Proceeding of the New Zealand Institute 20: 151–181. Collected once sometime between 1838 and 1840 (possibly as a genuinely naturalised occurrence) from the Bay of Islands, North Island, New Zealand. Stems rooting at lower nodes. Digitaria is a genus of plants in the grass family native to tropical and warm temperate regions. D. ciliaris is an annual grass, typically decumbent, rooting at the nodes and spreading to form untidy patches up to 1 m across and 50 cm high, although under crowded conditions it will grow more erect with culms up to 1 m high. Stapf ; Digitaria adscendens (Kunth) Henrard; Digitaria adscendens (H.B.K.) (Roemer & Schultes) Veldkamp. It was Sykes (1977, p. 166–167) as D. pruriens (Trin.) tahitiensis Henrard, 1950 Digitaria reflexa Schumach. Description Top of page. marattensis (Henrard) Bor Panicum adpressum Forssk. Paniceae. Digitaria setigera. Leaf-blade 35‒100 × 2‒7 mm, light green, dark green, often glaucescent, soft, linear tapering to long, finely pointed tip, surfaces finely hairy, ribs and margins scabrid. Manual of the New Zealand Flora. The sole New Zealand record noted by Edgar & Connor (2000, 2010) is however, probably a genuine naturalisation stemming from early shipping. Digitaria microbachne (J. Presl) Henr. Type of Basionym or Protologue Information: India:, Heyne s.n. Both leaf surfaces and sheath are densely hairy. Digitaria setigera Roth [family POACEAE] ... 3–25 cm. de Lange P.J., Rolfe J.R., Barkla J.W., Courtney S.P., Champion, P.D., Perrie, L.R., Beadel S.M., Ford K.A., Breitwieser I., Schönberger I., Hindmarsh-Walls R., Heenan P.B., and K. Ladley 2018. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Rich.) Digitaria bicornis is a stout annual grass, up to 1 m tall, with glaucous green leaves, glabrous sheath, or stiff, milky-based, tubercle-like hairs, up to 15 cm long, also with hair. Upper floret; lemma ≈ spikelet, glabrous, acuminate, yellowish or light brown (amber) at maturity; palea ≈ lemma, similar in texture and shape; anthers 1.0‒1.3 mm; stigmas brown; cayopsis c.1.5 mm, oblong. Connor 2010. A revision of Digitaria Haller (Gramineae) in Malesia. Digitaria pruriens (Fisch. Annual. For more information, visit www.eddmaps.org Digitaria compacta. Schultz [crab grass] Puccinia oahuensis — leaf and stem rust Diffenbachia Schott [dumbcane] Lophodermium sp. Digitaria horizontalis var. 2nd ed. Digitaria bifasciculata. 2000: Flora of New Zealand. Digitaria bicornis (Lam.) (Poaceae)Vern. (HT: B; IT: K). The Plants Database includes the following 70 species of Digitaria . AVH is a collaborative project of the state, Commonwealth and territory herbaria, developed under the auspices of the Council of Heads of Australasian Herbaria (CHAH), representing the major Australian collections. An annotated checklist. [citation needed][7] Crabgrass is quickly outcompeted by healthy lawn grass because, as an annual plant, crabgrass dies off in autumn and needs open conditions for its germination the following spring. Authority: Roth ex Roemer & Schultes. Digitaria sanguinalis f. umbraticola Henrard Digitaria sanguinalis var. Wayside Plants of the Islands – a guide to the lowland Flora of the Pacific Islands. They can be toasted, ground into a flour, made into porridge or fermented to make beer. Common names include crabgrass, finger-grass, and fonio. Paspalum heteranthum Hook. The Australasian Virtual Herbarium (AVH) is an online resource that provides immediate access to the wealth of plant specimen information held by Australian herbaria. Beyond the small area of occupancy there are no active threats known from this species, though it may have been lost from Raoul Island. Henr.-> Digitaria adscendens (Kunth) Henrard; Digitaria adscendens (H.B.K.) https://www.nzpcn.org.nz/flora/species/digitaria-setigera/ (Date website was queried), © 2020 New Zealand Plant Conservation Network • Website by RS, Members can view this photo in high resolution, National Vegetation Survey (NVS) Databank, Conservation status of New Zealand indigenous vascular plants, 2017, https://www.nzpcn.org.nz/flora/species/digitaria-setigera/, Project 1 - Pohutukawa, Rata and Myrtaceae, Project 2 - Alpine flora and the Forget-Me-Nots, Project 4 - Podocarps and trees of the forest, Pros and cons of presence/absence surveys. With Appendix: Hepaticopsida (Hepaticae) & Anthocerotopsida by Ella O. Campbell. Whistler pers. They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. Digitaria stewartiana Bor. It also has decent nutrient qualities as a forage for cattle.[5][6]. horizontalis (Willd.) Widespread through tropical Asia, Pacific to French Polynesia and North Australia. 1925. Spikelets 2.5‒3.5 mm, paired, lanceolate, long-acute, laterally with fine acute-tipped hairs. Lower glume 0, or reduced to a minute rim or scale c.0.1 mm, upper 0.6‒1.5 mm, c.¼‒(⅓) length of spikelet, 0‒3-nerved, deltoid, obtuse to subacute, glabrous, or with long hairs on margins overtopping glume. wide. They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. Seeds dispersed by sea birds, gravity and water. comm. (GPWG 2001) : Subfamily Panicoideae. Lower floret; lemma = spikelet, 5‒7-nerved, nerves inaequidistant, glabrous, outer internerves with long hairs. Racemes 3‒5, 35‒100 mm, slender, compressed, digitate or spreading; rachis 3-angled, winged, 0.3‒0.8 mm widfe, scabrid on angles, short-hairy at base. Digitaria setigera is a common, and at times weedy species of the wider Pacific which is close to its world southern limit on the Kermadec Islands. Edgar, E and H.E. 1973. 1906. Checklist of Panicoid grasses naturalised in New Zealand; with a key to native and naturalised genera and species. The seeds germinate in the late spring and early summer and outcompete the domesticated lawn grasses, expanding outward in a circle up to 30 cm (12 in) in diameter. Scientific Name: Samoan Name: Common Name: Photo: TSN: Park Status: Abundance: Residency: Nativity: Axonopus compressus : broadleaf carpetgrass : 41465 : Present in Park Rendle Digitaria setigera var. Whistler, W.A. Shand 1987. & Vaughan Digitaria pruriens var. ex Trin.) f., Fl. Cheeseman, T.F. The vegetation of the Kermadec Islands. Axonopus compressus (Sw.) Beauv.(Poaceae)Vern. Brit. (USF) Digitaria bicornis : Asian crab grass (USF) Digitaria cf. Manaaki Whenua Press, Lincoln. Digitaria setigera was initially treated as indigenous to the Kermadec Islands by Cheeseman (1888, 1906, 1925) and Oliver (1910). Prepared by P.J. The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. New Zealand Threat Classification Series, 22: 1–82. Digitaria setigera Roem. Click on a scientific name below to expand it in the PLANTS Classification Report. Biological control is preferable over herbicide use on lawns, as crabgrass emergence is not the cause of poor lawn health but a symptom, and it will return annually if the lawn is not restored with fertilization and proper watering. 1896. On the Kermadec Islands flowering may occur throughout the year, On the Kermadec Islands fruiting may occur throughout the year. Blumea 21: 1–80. Ilse Botanica, Honolulu, Hawaii. microbachne (J. Presl) Fosberg. C.E.Hubb. 2: 474 (1817). Often found around the nests of Kermadec petrel (Pterodroma neglecta) and Tasman booby ( Sula dactylatra tasmani). Panicum adpressum Willd. digitgrass prefer. MULTILINGUAL MULTISCRIPT PLANT NAME DATABASE. fimbriata Henr. Sykes, W.R. 1977. Common names include crabgrass, finger-grass, and fonio.They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. 1910. (Year at time of access): Digitaria setigera Fact Sheet (content continuously updated). Digitaria setigeraRoth ex Roem. Digitaria swalleniana Henrard. New Zealand Plant Conservation Network. Not accepted according to {resource_name} (other, see comments) ... Common Names. Digitaria is a genus of plants in the grass family native to tropical and warm temperate regions but can occur in tropical, subtropical, and cooler temperate regions as well. Roem. Digitaria setigera Roth apud R. & S. (Poaceae)Vern. Indigenous. de Lange for NZPCN, 29 May 2020. Veldkamp, J.F. 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