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Urochloa distachyos

(L.) T.Q.Nguyen (1966)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Urochloa

cori grass, dwarf signal grass, green summer grass

Bibliography

Name Published In: Novosti Sist. Vyssh. Rast. 3: 13 (1966)

Other References

Wagner et al. 1990:1503 (K? [as Brachiaria distachya, single spm., 1946], O?, Mo?, M? [as B. subquadripara, perhaps nat.]); Herbst & Clayton 1998:20 (KEY); Lorence et al. 1995:44 (NEWNAT/K [as B. subquadripara]); Snow & Lau 2010:49 (retain separation of Brachiaria from Urochloa); Zuloaga et al. 2003:631/Wagner & Herbst 2003:58 (Syn. B. distachya, B. subquadripara = Urochloa distachya); Frohlich & Lau 2014:13 (O, DESCR); Oppenheimer & Bogner 2019:23 (L); Imada & Kennedy 2020:85 (EM, WM); Faccenda 2022:85, 88 (H, remove Mo [no spm. located], KEY); Faccenda 2023c:148 (Mo); IPNI 2025 (spelling change to distachyos)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Urochloa distachyos Manele. Northing: 2295226; Easting: 719979 In newly landscaped area. Probably introduced as a contaminant of nursery stock or soil. Preserved_Specimen Occasional weed. Clumping plants, decumbent to prostrate. Oppenheimer, H.L. 120825 Lanai BISH 2008-12-12
2 Urochloa distachyos Kauai Preserved_Specimen Au, S. Kauai BISH 1964-04-01
3 Urochloa distachyos Kauai Preserved_Specimen Au, S. Kauai BISH 1964-04-01
4 Urochloa distachyos Kahala Community Park Urban Park. Growing at the base of a large Pterocarpus indicus tree near the baseball field. Preserved_Specimen Short-lived perennial; culms decumbent, ca., 10-15 cm. long rooting at nodes; lower glume much shorter than spikelet; spikelets < 4 mm. long. Ross, M.C. 1833 Oahu BISH 2022-11-09
5 Urochloa distachyos UH Manoa, by dorms S of Dole St. in very shady lawn Preserved_Specimen Faccenda, K. 1769 Oahu BISH 2021-05-08
6 Urochloa distachyos Kohala, Keokea beach park, Dry, partly shaded area on edge of park near gulch. Preserved_Specimen Small colony about 2 m wide. Faccenda, K. 3255 Hawaii BISH 2024-01-02
7 Urochloa distachyos Kalalau; State Park camp ground; secondary invasive grasses observed around heliport LZ Sprawling perrenial decumbent and rooting at the nodes. Preserved_Specimen Wood, K.R. 5798 Kauai BISH 1996-11-08
8 Urochloa distachyos Hanalea District, Kilauea Point National Wildlife Refuge, Mokolea Point Secondary vegetation of Bermuda, Medicago, and Digitaria insularis. Preserved_Specimen Creeping herb, freely rooting at nodes, forming a thick mat; blades dark glossy green. Flynn, T.W. 6164 Kauai BISH 1997-06-06
9 Urochloa distachyos Schofield Barracks, Kolekole Ranges. Mesic non-native dominated forest. Preserved_Specimen Beachy, J. 316 Oahu BISH 2013-05-25
10 Urochloa distachyos Kuilei Cliffs Beach Park Growing from a crack in the sidewalk along the walking path near Kuilei Cliffs Beach Park. Preserved_Specimen Short-lived perennial; culms decumbent, ca. 10-15 cm. long rooting at nodes; lower glume much shorter than spikelet; spikelets < 4 mm. long. This was the only colony observed, it was about 1 meter long and consisted of may entangled stems/plants. Ross, M.C. 1829 Oahu BISH 2022-11-01
11 Urochloa distachyos East Maui, Hana District, Puuhaoa Edge of pasture. Preserved_Specimen Oppenheimer, H.L. 120507 Maui BISH 2005-12-17
12 Urochloa distachyos Kalaheo, Papalina Road, near the National Tropical Botanical Garden Roadside weed, sunny moist area Preserved_Specimen Uncommon along road, stoloniferous Faccenda, K. 2443 Kauai BISH 2022-06-01
13 Urochloa distachyos Ala Wai Park at the end of University Ave on the edge of the Ala Wai Community garden, weed along path Preserved_Specimen Benefiting from irrigation, common Faccenda, K. 2541 Oahu BISH 2022-07-16
14 Urochloa distachyos Hale'iwa, near the roundabout on Kamehameha Hwy outside Thai food truck edge of parking lot Preserved_Specimen sprawling grass Faccenda, K. 2147 Oahu BISH 2021-11-06
15 Urochloa distachyos Mokuleia, Camp Erdman One small patch found on the playground Preserved_Specimen Prostrate, forming a soild cover Hosaka, E.Y. 4031 Oahu BISH 1956-09-01
16 Urochloa distachyos Koloa District, Kalaheo New coffee plantation on McBryde land, at S. end of Papalina Rd. and W. edge of NTBG Culms decumbent, spreading and rooting at nodes, forming low, dense mat. Culms and spikelets flushed with purple. Common weed in fields. Preserved_Specimen Lorence, D.H. 6726 Kauai BISH 1991-02-14
17 Urochloa distachyos East Maui, HC & S cane fields Growing as a weed along can roads. Forming dense decumbent patches. Preserved_Specimen Hobdy, R.W. 1931 Maui BISH 1984-01-31
18 Urochloa distachyos Lahaina, Lahaina Recreation Center off of Shaw St Edge of irrigated grass Preserved_Specimen Common, decumbent grass Faccenda, K. 2736.5 Maui BISH 2022-10-22
19 Urochloa distachyos Kapaa Quarry Road, Airplane Field, Kawai Nui, Kailua, Oahu, Hawaii Growing in the over-grown edge of the airfield, with Panicum maximum, left-hand side of field. Preserved_Specimen Rambling, ascending grass. Crago, L.M. 2005224 Oahu BISH 2005-11-03
20 Urochloa distachyos Mokoli'I Islet; east side of island dry scrubland, invasive dominated Preserved_Specimen Faccenda, K. 2182 Oahu BISH 2021-12-13
21 Urochloa distachyos Honolulu, Lili'uokalani Botanical Garden weed in mowed grass, partly sunny, irrigated Preserved_Specimen Faccenda, K. 1979 Oahu BISH 2021-06-12
22 Urochloa distachyos Central plains southwest of Kahului. Preserved_Specimen Bright green mat-forming grass growing in sandy soil. Hobdy, R.W. 4192 Maui BISH 2004-06-17
23 Urochloa distachyos West Maui, Olowalu cane fields. Preserved_Specimen Large, prostrate. Hobdy, R.W. Maui BISH 1976-06-14
24 Urochloa distachyos Hololulu Bishop Museum Campus, along road behind Castle Building Roadside; partial sun Preserved_Specimen weed Faccenda, K. 2010 Oahu BISH 2021-06-24
25 Urochloa distachyos Honolulu, Makiki Heights Dr. & Mott Smith Dr. weedy area, sunny Preserved_Specimen Faccenda, K. 1842 Oahu BISH 2021-05-22
26 Urochloa distachyos Ho'olehua, Moloka'i airport. Long term parking lot at airport Weedy area around parked cars, rarely mowed, sunny Preserved_Specimen Uncommon across the island in disturbed areas Faccenda, K. 2892 Molokai BISH 2022-12-26
27 Urochloa distachyos H C & S Field Sprawling rooting at nodes mat forming Preserved_Specimen Yamada, T. 82 Maui BISH 1967-05-01
28 Urochloa distachyos W Maui, Lahaina District, Alaeloa, vicinity of Puukalauliko At edge of dirt rd in pineapple field. Preserved_Specimen Oppenheimer, H.L. 100038 Maui BISH 2000-10-24
29 Urochloa distachyos N. Hilo, Hawaii, Humuula Seep Sta, Humuula. occasional in rock place Preserved_Specimen Hosaka, E.Y. 2341 Hawaii BISH 1938-06-13
30 Urochloa distachyos W Maui along cane field road. Mauka of Lahainaluna School Preserved_Specimen This grass has become a common weed in west Maui canefields during the last decade. Hobdy, R.W. 2500 Maui BISH 1986-02-12
31 Urochloa distachyos Lawai Valley Preserved_Specimen Herbst, D.R. 2337 Kauai BISH 1972-01-26
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