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Paspalum conjugatum

(Herbe Creole)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Chinese:

Cha Zi Cao, Liang Er Cao, Shuang Sui Que Bai

Common Names in English:

Herbe Creole, Buffalo Grass, Carabao Grass, Hilo Grass, Hilograss, Muhsrasre, Rehn Wei, Sour Grass, Sour Paspalum, Ti Grass

Common Names in French:

Herbe Cr?ole, Herbe Créole, Herbe Sure

Common Names in Japanese:

Ogasawara Suzume No Hie

Common Names in Portuguese:

Capim De Marreco (Brazil), Capim-Azedo (Brazil), Capim-Forquilha (Brazil), Capim-Gordo (Brazil), Capim-Marreca (Brazil), Capim-Roxo (Brazil), Capim-Tó (Brazil), Capirapó (Brazil), Grama-Doce, Grama-Forquilha (Brazil), Grama-Papuã (Brazil)

Common Names in Spanish:

Cañamazo Amargo, Cambute, Grama De Antena, Pasto Amargo, Pasto Horquilla

Description

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Genus Paspalum

Perennials or annuals . Culms tufted , or with creeping rhizomes and stolons. Leaf blades linear or narrowly lanceolate, flat; ligule membranous. Inflorescence composed of single, digitate or scattered racemes ; rachis flat, often winged ; spikelets single or paired , pedicellate in 2-4 rows , densely crowded, lower lemma abaxial . Spikelets orbicular , ovate or elliptic plano-convex ; lower glume absent or rarely present as a small scale; upper glume as long as spikelet or nearly so, rarely absent, convex , membranous to subpapery, 3-7-veined; lower lemma resembling upper glume, flat, neuter without palea; upper lemma usually coriaceous to crustaceous , rarely softer, margins inrolled , apex obtuse to apiculate . x = 10.

About 330 species:tropical and warm-temperate regions, especially in the New World; 16 species (two endemic, eight introduced ) in China.

This genus includes a number of good forage grasses and also some widespread weeds .[1]

Physical Description

Species Paspalum conjugatum

Perennial with long stolons. Culms in small tufts along the stolons, compressed , nearly solid, 30-60 cm tall. Leaf sheaths keeled , glabrous or pilose along upper margins and mouth , a line of hairs abaxially at junction with blade ; leaf blades lanceolate-linear, thin, 5-20 × 0.5-1 cm, glabrous or papillose-pilose along margins, apex acute. Inflorescence digitate; racemes 2, divaricate , very slender, 6-12 cm; spikelets single, in 2 rows ; rachis 0.5-1 mm wide. Spikelets pale yellowish, ovate to suborbicular , 1.5-1.8 mm, abruptly acute; upper glume hyaline , 2-veined with the veins marginal , ciliate along margins with long silky hairs; lower lemma similar but not ciliate; upper lemma pallid at maturity, ovate, as long as spikelet, crustaceous , obscurely striate . Fl. and fr. May-Sep. 2n = 40, 80. [source]

This is a distinctive species, easily recognized by the combination of a stoloniferous habit and an inflorescence composed of a pair of widely spreading racemes with small, pale, fringed spikelets. [source]

Habit: GraminoidGrowth Form: StoloniferousShape and Orientation: Decumbent

Flowers: Bloom Period: IndeterminateFlower Color: Yellow • Flower Conspicuous: No

Seeds: Seed per Pound: 350000 • Seed Spread Rate: Rapid • Seedling Vigor: Medium • Fruit/Seed Abundance: High • Fruit/Seed Color: White • Fruit/Seed Conspicuous: No • Cold Stratification Required: No

Foliage: Foliage Color: Green • Foliage Porosity Summer: Moderate • Foliage Porosity Winter: Moderate • Foliage Texture: Medium • Fall Conspicuous: No • Leaf Retention: Yes

Size/Age/Growth

Active Growth Period: Year RoundGrowth Rate: Rapid • After Harvest Regrowth Rate: Rapid • Mature Height (feet): 3.0 • Vegetative Spread Rate: Moderate • Lifespan: Lifespan

Habitat

Open places in forests , forest margins, mostly on moist soils, sometimes forming a sward[2].

Ecology:  

Paspalum conjugatum is widespread annual . It grows from near sea-level up to 1700 m altitude in open to moderately shaded and moist places. It is adapted to humid climates. It is found growing gregariously under plantation crops and also frequently found on the banks of water courses , back waters and roadsides and in disturbed areas, and polluted waters. It also grows in seasonally flooded places, in marshes, in ditches, in rice fields and draining plantations.

[3].

List of Habitats :

Biology

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Reproduction

Duration: PerennialCoppice Potential: No • Progagated by Bulbs: No • Propagated by Bare Root: No • Propagated by Container: No • Propagated by Corms: No • Propagated by Cuttings: No • Propagated by Seed: Yes • Propagated by Sod: No • Propagated by Sprigs: Yes • Propagated by Tubers: No • Fruit/Seed Period Begin: Year RoundFruit/Seed Period End: Year RoundFruit/Seed Persistence: No

Growth

Soil: Adapted to Medium Textured: Adapted to Medium Textured Soils • Adapted to Coarse Textured Soils: Yes • Anaerobic Tolerance: Medium • Salinity Tolerance: Low • CaCO3 Tolerance: Medium • Minimum pH: 5.0 • Maximum pH: 7.0 • Fertility Requirement: Low

Sunlight: Shade Tolerance: Tolerant

Moisture: Drought Tolerance: Medium • Minimum Precipitation: 40 • Maximum Precipitation: 200 • Moisture Use: Medium

Temperature: Minimum Temperature (F): 15 • Minimum Frost Free Days: 269

Taxonomy

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Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Paspalum

ZipcodeZoo has pages for 78 species, subspecies, varieties, forms, and cultivars in this genus:

P. acuminatum (Book Paspalum) · P. almum (Comb's Crowngrass) · P. arundinaceum (Thick Ditch Crowngrass) · P. bakeri (Baker's Crowngrass) · P. bifidum (Pitchfork Crowngrass) · P. blodgettii (Blodgett's Crowngrass) · P. boscianum (Bull Crowngrass) · P. caespitosum (Blue Crowngrass) · P. clavuliferum (Hillside Crowngrass) · P. compressum (Savannah Grass) · P. conjugatum (Herbe Creole) · P. conspersum (Scattered Paspalum) · P. convexum (Latin American Crowngrass) · P. coryphaeum (Emperor Crowngrass) · P. decumbens (Decumbent Crowngrass) · P. densum (Dense Crowngrass) · P. denticulatum (Longtom) · P. dilatatum (Dallas Grass) · P. dilatatum dilatatum (Palpalum Dilate) · P. dispar (Mosquito Crowngrass) · P. dissectum (Mudbank Crowngrass) · P. distichum (Joint Paspalum) · P. fasciculatum (Mexican Crowngrass) · P. fimbriatum (Colombia Grass) · P. floridanum (Florida Paspalum) · P. fluitans (Horse-Tail Paspalum) · P. hartwegianum (Hartweg's Paspalum) · P. hieronymi (Paspalum) · P. hydrophilum (Water Paspalum) · P. intermedium (Intermediate Paspalum) · P. laeve (Field Paspalum) · P. laeve var. laeve (Field Paspalum) · P. langei (Rusty-Seed Paspalum) · P. laxum (Coconut Paspalum) · P. lividum (Longtom) · P. longifolium (Long-Leaved Paspalum) · P. macrophyllum (Bigleaf Paspalum) · P. malacophyllum (Ribbed Paspalum) · P. maritimum (Coastalsand Paspalum) · P. millegrana (Paja Brava) · P. minus (Mat Paspalum) · P. modestum (Water Paspalum) · P. molle (Soft Paspalum) · P. monostachyum (Gulfdune Paspalum) · P. nicorae (Brunswickgrass) · P. notatum (Bahia Grass) · P. notatum var. latiflorum (Bahiagrass) · P. notatum var. notatum (Bahiagrass) · P. notatum var. saurae (Bahiagrass) · P. notatum 'Argentine' (Bahia Grass) · P. notatum 'Pensacola' (Bahia Grass) · P. notatum 'Tifton 9' (Bahia Grass) · P. orbiculatum (Circular Paspalum) · P. paniculatum (Arrocillo) · P. parviflorum (Smallseed Paspalum) · P. pauciciliatum (Prostrate Dallis Grass) · P. paucispicatum (Large Knotgrass) · P. pleostachyum (Tropical Paspalum) · P. plicatulum (Brown-Seed Paspalum) · P. praecox (Early Paspalum) · P. pubiflorum (Hairy-Seed Paspalum) · P. pubiflorum var. pubiflorum (Hairyseed Paspalum) · P. pulchellum (Grand Paspalum) · P. quadrifarium (Tussock Paspalum) · P. racemosum (Peruvian Paspalum) · P. rupestre (Rock Paspalum) · P. scrobiculatum (India Paspalum) · P. scrobiculatum var. orbiculare (Ditch Millet) · P. secans (Slender Ditch Paspalum) · P. setaceum (Fringeleaf Paspalum) · P. thunbergii (Japanese Paspalum) · P. unispicatum (One-Spike Paspalum) · P. urvillei (Vasey Grass) · P. vaginatum (Seashore Paspalum) · P. vaginatum 'Te-13' (Seashore Paspalum) · P. virgatum (Talquezal) · P. virletii (Virlet Paspalum) · P. wrightii (Wrights Paspalum)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 22, 2007:

Identifiers

Footnotes

  1. Shou-liang Chen & Sylvia M. Phillips "Paspalum". in Flora of China Vol. 22 Page 1, 500, 526. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Paspalum conjugatum". in Flora of China Vol. 22 Page 526. Missouri Botanical Garden Press. Online at EFloras.org. [back]
  3. Rehel, S. 2011. Paspalum conjugatum. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 03 February 2012. [back]
Last Revised: 7/15/2012