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Hyparrhenia rufa

(Nees) Stapf (1919)

This name is accepted

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

thatching grass

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Accepted Subtaxa (in Hawai'i) (1)

Hyparrhenia rufa var. rufa

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 304 (1919)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Hyparrhenia rufa Awehi Gulch exclosure site OBSERVATION Curtis Daehler Lanai HAPI 3/25/2007
2 Hyparrhenia rufa South Kona; Manuku, Kipuka Kaupuaa Preserved_Specimen Tall clumped grass. Stemmermann, R.L. 7137 Hawaii BISH 1987-04-09
3 Hyparrhenia rufa On ridge E of Waimano. End of Kaahumanu Dr. Ewa Distrcit, Ahupuaa of Waiau. Low foothills of Koolaus, Leeward side. Old road Mesic. Preserved_Specimen Pyle, L. 51 Oahu BISH 1994-01-30
4 Hyparrhenia rufa Along rd betw Waikoloa subdivision & Mamalahoa Hwy Preserved_Specimen Weed. Herbst, D.R. 5630 Hawaii BISH 1976-01-21
5 Hyparrhenia rufa East Maui, along Hana Hwy., past mile marker 11, just E of Puohokamoa bridge (Honomanu) OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
6 Hyparrhenia rufa Along Mamalahoa Hwy above Waikoloa. Preserved_Specimen Perennial clumping grass 1 m tall. Inflorescence exceeding the leaves. Uncommon. Nagata, K.M. 4076 Hawaii BISH 1990-03-22
7 Hyparrhenia rufa Along rd betw Waikoloa subdivision & Mamalahoa Hwy Preserved_Specimen Weed. Herbst, D.R. 5630 Hawaii BISH 1976-01-21
8 Hyparrhenia rufa Honolulu, Pensacola St., Hawaii Agriculture Experimental Station Grass in cultivated plot Preserved_Specimen Wong, R. Oahu BISH 1941-01-08
9 Hyparrhenia rufa Along rd betw Olaa & Pahoa Preserved_Specimen (Not on sheet) Hawaii BISH 1953-12-18
10 Hyparrhenia rufa Pupukea Preserved_Specimen Herbst, D.R. 283 Oahu BISH 1966-12-01
11 Hyparrhenia rufa East Maui, Nuu. By gate along Piilani Hwy Preserved_Specimen Welton, P. 2238 Maui BISH 2008-03-20
12 Hyparrhenia rufa Keauhou Preserved_Specimen Fagerlund, G.O. 390 Hawaii BISH 1943-02-20
13 Hyparrhenia rufa Kau, Keauhou, Shipman's property Preserved_Specimen Rare. Judd Jr., A.F. Hawaii BISH 1939-04-15
14 Hyparrhenia rufa Nuuanu Pali Rd, below Kaneohe jct Preserved_Specimen Plants up to 5 ft ht. Weber, P.W. Oahu BISH 1948-01-04
15 Hyparrhenia rufa Along forest rd in the land of Kaunakakai Preserved_Specimen Hobdy, R.W. 1245 Molokai BISH 1982-02-16
16 Hyparrhenia rufa Nanawale Forest Reserve Preserved_Specimen Yamayoshi, H. Hawaii BISH 1943-01-26
17 Hyparrhenia rufa On roadside near base of Anahulu (Kawailoa) Trail, Koolau Range Preserved_Specimen Weber, P.W. Oahu BISH 1947-11-30
18 Hyparrhenia rufa At Ranch-house of W. H. Shipman, Keeau Preserved_Specimen Ripperton, J.C. Hawaii BISH 1931-03-18
19 Hyparrhenia rufa Kahuku Training Area, Oio gulch. Growing with Pisdium cattleianum, Casuarina spp. Preserved_Specimen Grass with trailing habit, decribed as stoloniferous. Ligule poapery, brownish. Kawelo, K. 421 Oahu BISH 2016-02-24
20 Hyparrhenia rufa Kaluakoi District, Mauna Loa Common roadside weed. Preserved_Specimen Herbst, D.R. 5718 Molokai BISH 1976-03-08
21 Hyparrhenia rufa Mokuleia Semi-dry pasture Preserved_Specimen Occasional, fair forage value Vierra, T. Oahu BISH
22 Hyparrhenia rufa Knudsen's Ranch, Koloa In field of molasses grass. Preserved_Specimen Duvel, A. Kauai BISH 1942-11-15
23 Hyparrhenia rufa Maunaloa, intersection of Rt. 460 and Kalua Koi Rd Roadside weed in dry, sunny area Preserved_Specimen Common around Maunaloa, but otherwise rare around the island Faccenda, K. 2901 Molokai BISH 2022-12-26
24 Hyparrhenia rufa Pupukea-Paumalu, Koolauloa, Koolau Mts Common in moist, open sites on ridges. Preserved_Specimen Infl up to 2 m long. Nagata, K.M. 3740 Oahu BISH 1987-12-05
25 Hyparrhenia rufa Waimea District, Puehu Ridge above Kekaha Roadside cane field weed. Preserved_Specimen Herbst, D.R. 5560 Kauai BISH 1975-11-18
26 Hyparrhenia rufa Road to Peacock flats Associated with Panicum maximus; Melinis minutiflora and Desmodium. Preserved_Specimen Welton, P. 788 Oahu BISH 1991-12-07
27 Hyparrhenia rufa Hauula loop trail, N side Growing on side of trail on top of ridge. Preserved_Specimen Dense growth, 4 ft ht. Creutz, E. Oahu BISH 1979-01-01
28 Hyparrhenia rufa Kokee, Wiamea Canyon Rd Common along roadside. Preserved_Specimen Grass to 3.5 ft ht, whole plant reddish brown. Flynn, T.W. 746 Kauai BISH 1984-01-23
29 Hyparrhenia rufa Road to Peacock flats Associated with Panicum maximus; Melinis minutiflora and Desmodium. Preserved_Specimen Welton, P. 788 Oahu BISH 1991-12-07
30 Hyparrhenia rufa Waimea Canyon Road ca. 6 km N of Waimea Dry, sunny area on side of road from compressed soil Preserved_Specimen Common along the road, clums up to 1.5 m tall, leaves often turning red Faccenda, K. 2461 Kauai BISH 2022-06-02
31 Hyparrhenia rufa East Maui, along Hana Hwy., 23 mi from Hana Post Office, (on Wailuku side) Assoc w/ Melinis, Dicranopteris. Preserved_Specimen Grass to 3 ft ht. Ishikawa, S. 345 Maui BISH 1973-12-01
32 Hyparrhenia rufa Below Puu Hinu, In dry place Preserved_Specimen Local patch, spreading Penhallow, R. Hawaii BISH 1950-08-01
33 Hyparrhenia rufa Waimea District; Waimea Canyon rim Along road; degraded roadside Preserved_Specimen Grass clumping, in flower and some seed, 1.25 m tall Wood, K.R. 18731 Kauai BISH 2021-06-01
34 Hyparrhenia rufa East Maui, 16.6 mi E of Ulupalakua Ranch on Piilani Hwy (Hwy 31), 3.7 mi E of Manawainui Rocky dry stream bed dominated by Prosopis pallida, Leucaena leucocephala. Preserved_Specimen Wagner, W.L. 4747 Maui BISH 1983-01-14
35 Hyparrhenia rufa Waianae Mts, Pohakea Pass Dry grassy roadside. Preserved_Specimen Herbst, D.R. 472 Oahu BISH 1967-04-29
36 Hyparrhenia rufa Volcanoes NP, Kau, Hwy 11, mile 39-40 roadside, dry, open disturbed Preserved_Specimen perennial tufted erect culms, ligule firm brownish membrane Bio, K.F. 1001401 Hawaii BISH 2001-05-29
37 Hyparrhenia rufa Hawaiian Paradise Park, Pilikai Rd Roadside weed in mowed and unmowed areas, sunny areas Preserved_Specimen Common, in mowed areas flowering at only about 30 cm tall, in areas where unmowed, reaching up to 1.5 m Faccenda, K. 2252 Hawaii BISH 2022-02-28
38 Hyparrhenia rufa East Maui, Hana District, E of Manawainui Gulch (western) In pasture along rd. Preserved_Specimen Clumping grass, 1.75m tall. Oppenheimer, H.L. 120504 Maui BISH 2005-12-17
39 Hyparrhenia rufa Waimea District, Waimea Canyon State Park, Kekaha Rd ca 0.5 mi from jct w/ Waimea Canyon Drive Common along rd. Preserved_Specimen Tall, clump forming grass of five ft. Flynn, T.W. 2716 Kauai BISH 1988-01-27
40 Hyparrhenia rufa W fork in Flume Rd off of Saddle Rd On 1855 lava flow, vegetation a pioneer community of Metrosideros, Machaerina, & Vaccinium, along edge of rd. Common. Preserved_Specimen Wagner, W.L. 4642 Hawaii BISH 1982-11-16
41 Hyparrhenia rufa Manuka-Kipuka Kaupuaa In predominately exotic vegetation but w/ some pili. Preserved_Specimen Tall, to 2 m ht grass. Stemmermann, R.L. 7158 Hawaii BISH 1987-06-23
42 Hyparrhenia rufa Waimea District: Waimea Canyon State Park, along Makaha Ridge along forestry road called Pine Forest Drive through pine plantations on southern edge of Makaha Ridge; planted conifers with understory of Melinis, Lantana, Psidum, and Stachytarpheta Naturalized locally, cammon. Preserved_Specimen Herb with densely clumping erect culms to 0.6m tall. Lorence, D.H. 7981 Kauai BISH 1997-04-28
43 Hyparrhenia rufa Hauula forest reserve, lower portion of ridge about 200m from suburban development Moist, partly sunny area in invasive dominated forest Preserved_Specimen One patch seen with 20-30 plants, otherwise uncommon Faccenda, K. 2246 Oahu BISH 2022-02-21
44 Hyparrhenia rufa West Maui, Lahaina District, N of Wahikuli Gulch Locally common in open areas, along unpaved roads, trails, and disturbed/degraded Lowland Dry Shrubland Preserved_Specimen Oppenheimer, H.L. 121801 Maui BISH 2018-12-06
45 Hyparrhenia rufa Knudsen's Ranch, Koloa In field of molasses grass. Preserved_Specimen Duvel, A. Kauai BISH 1942-11-15
46 Hyparrhenia rufa Honolulu, Hawaii Loa Ridge trail. Open ridge with Psidium cattleianum, Osteomeles anthyllidifolia, Leptecophylla tameiameiae, Andropogon virginicus, Schinus terebinthifolius Preserved_Specimen Kennedy, B. 99 Oahu BISH 2019-04-26
47 Hyparrhenia rufa East Maui, along Hana Hwy., past mile marker 11, just E of Puohokamoa bridge (Honomanu) Hanging into road - collected from car. Preserved_Specimen Starr, F. 9812085 Maui BISH 1998-12-08
48 Hyparrhenia rufa Hawaii Loa ridge, Southern Koolau mountains. In dry shrubland dominated by Osteomeles anthyllidifolia, Bidens sandvicensis, Desmodium, Psidium cattleianum, Pteridium aquilinium var. decompositum, Dodonaea viscosa, and others. Preserved_Specimen Medium sized clumping grasses with vey long awns and red hues to the new growth as well as on margins of leaves. Nodes a brownish red. Thomas, M.K. 259 Oahu BISH 2022-02-10
49 Hyparrhenia rufa Awehi Gulch exclosure site OBSERVATION Curtis Daehler Lanai HAPI 3/25/2007
50 Hyparrhenia rufa South Kona; Manuku, Kipuka Kaupuaa Preserved_Specimen Tall clumped grass. Stemmermann, R.L. 7137 Hawaii BISH 1987-04-09
51 Hyparrhenia rufa On ridge E of Waimano. End of Kaahumanu Dr. Ewa Distrcit, Ahupuaa of Waiau. Low foothills of Koolaus, Leeward side. Old road Mesic. Preserved_Specimen Pyle, L. 51 Oahu BISH 1994-01-30
52 Hyparrhenia rufa Along rd betw Waikoloa subdivision & Mamalahoa Hwy Preserved_Specimen Weed. Herbst, D.R. 5630 Hawaii BISH 1976-01-21
53 Hyparrhenia rufa East Maui, along Hana Hwy., past mile marker 11, just E of Puohokamoa bridge (Honomanu) OBSERVATION Curtis Daehler Maui HAPI 3/25/2007
54 Hyparrhenia rufa Along Mamalahoa Hwy above Waikoloa. Preserved_Specimen Perennial clumping grass 1 m tall. Inflorescence exceeding the leaves. Uncommon. Nagata, K.M. 4076 Hawaii BISH 1990-03-22
55 Hyparrhenia rufa Along rd betw Waikoloa subdivision & Mamalahoa Hwy Preserved_Specimen Weed. Herbst, D.R. 5630 Hawaii BISH 1976-01-21
56 Hyparrhenia rufa Honolulu, Pensacola St., Hawaii Agriculture Experimental Station Grass in cultivated plot Preserved_Specimen Wong, R. Oahu BISH 1941-01-08
57 Hyparrhenia rufa Along rd betw Olaa & Pahoa Preserved_Specimen (Not on sheet) Hawaii BISH 1953-12-18
58 Hyparrhenia rufa Pupukea Preserved_Specimen Herbst, D.R. 283 Oahu BISH 1966-12-01
59 Hyparrhenia rufa East Maui, Nuu. By gate along Piilani Hwy Preserved_Specimen Welton, P. 2238 Maui BISH 2008-03-20
60 Hyparrhenia rufa Keauhou Preserved_Specimen Fagerlund, G.O. 390 Hawaii BISH 1943-02-20
61 Hyparrhenia rufa Kau, Keauhou, Shipman's property Preserved_Specimen Rare. Judd Jr., A.F. Hawaii BISH 1939-04-15
62 Hyparrhenia rufa Nuuanu Pali Rd, below Kaneohe jct Preserved_Specimen Plants up to 5 ft ht. Weber, P.W. Oahu BISH 1948-01-04
63 Hyparrhenia rufa Along forest rd in the land of Kaunakakai Preserved_Specimen Hobdy, R.W. 1245 Molokai BISH 1982-02-16
64 Hyparrhenia rufa Nanawale Forest Reserve Preserved_Specimen Yamayoshi, H. Hawaii BISH 1943-01-26
65 Hyparrhenia rufa On roadside near base of Anahulu (Kawailoa) Trail, Koolau Range Preserved_Specimen Weber, P.W. Oahu BISH 1947-11-30
66 Hyparrhenia rufa At Ranch-house of W. H. Shipman, Keeau Preserved_Specimen Ripperton, J.C. Hawaii BISH 1931-03-18
67 Hyparrhenia rufa Kahuku Training Area, Oio gulch. Growing with Pisdium cattleianum, Casuarina spp. Preserved_Specimen Grass with trailing habit, decribed as stoloniferous. Ligule poapery, brownish. Kawelo, K. 421 Oahu BISH 2016-02-24
68 Hyparrhenia rufa Kaluakoi District, Mauna Loa Common roadside weed. Preserved_Specimen Herbst, D.R. 5718 Molokai BISH 1976-03-08
69 Hyparrhenia rufa Mokuleia Semi-dry pasture Preserved_Specimen Occasional, fair forage value Vierra, T. Oahu BISH
70 Hyparrhenia rufa Knudsen's Ranch, Koloa In field of molasses grass. Preserved_Specimen Duvel, A. Kauai BISH 1942-11-15
71 Hyparrhenia rufa Maunaloa, intersection of Rt. 460 and Kalua Koi Rd Roadside weed in dry, sunny area Preserved_Specimen Common around Maunaloa, but otherwise rare around the island Faccenda, K. 2901 Molokai BISH 2022-12-26
72 Hyparrhenia rufa Pupukea-Paumalu, Koolauloa, Koolau Mts Common in moist, open sites on ridges. Preserved_Specimen Infl up to 2 m long. Nagata, K.M. 3740 Oahu BISH 1987-12-05
73 Hyparrhenia rufa Waimea District, Puehu Ridge above Kekaha Roadside cane field weed. Preserved_Specimen Herbst, D.R. 5560 Kauai BISH 1975-11-18
74 Hyparrhenia rufa Road to Peacock flats Associated with Panicum maximus; Melinis minutiflora and Desmodium. Preserved_Specimen Welton, P. 788 Oahu BISH 1991-12-07
75 Hyparrhenia rufa Hauula loop trail, N side Growing on side of trail on top of ridge. Preserved_Specimen Dense growth, 4 ft ht. Creutz, E. Oahu BISH 1979-01-01
76 Hyparrhenia rufa Kokee, Wiamea Canyon Rd Common along roadside. Preserved_Specimen Grass to 3.5 ft ht, whole plant reddish brown. Flynn, T.W. 746 Kauai BISH 1984-01-23
77 Hyparrhenia rufa Road to Peacock flats Associated with Panicum maximus; Melinis minutiflora and Desmodium. Preserved_Specimen Welton, P. 788 Oahu BISH 1991-12-07
78 Hyparrhenia rufa Waimea Canyon Road ca. 6 km N of Waimea Dry, sunny area on side of road from compressed soil Preserved_Specimen Common along the road, clums up to 1.5 m tall, leaves often turning red Faccenda, K. 2461 Kauai BISH 2022-06-02
79 Hyparrhenia rufa East Maui, along Hana Hwy., 23 mi from Hana Post Office, (on Wailuku side) Assoc w/ Melinis, Dicranopteris. Preserved_Specimen Grass to 3 ft ht. Ishikawa, S. 345 Maui BISH 1973-12-01
80 Hyparrhenia rufa Below Puu Hinu, In dry place Preserved_Specimen Local patch, spreading Penhallow, R. Hawaii BISH 1950-08-01
81 Hyparrhenia rufa Waimea District; Waimea Canyon rim Along road; degraded roadside Preserved_Specimen Grass clumping, in flower and some seed, 1.25 m tall Wood, K.R. 18731 Kauai BISH 2021-06-01
82 Hyparrhenia rufa East Maui, 16.6 mi E of Ulupalakua Ranch on Piilani Hwy (Hwy 31), 3.7 mi E of Manawainui Rocky dry stream bed dominated by Prosopis pallida, Leucaena leucocephala. Preserved_Specimen Wagner, W.L. 4747 Maui BISH 1983-01-14
83 Hyparrhenia rufa Waianae Mts, Pohakea Pass Dry grassy roadside. Preserved_Specimen Herbst, D.R. 472 Oahu BISH 1967-04-29
84 Hyparrhenia rufa Volcanoes NP, Kau, Hwy 11, mile 39-40 roadside, dry, open disturbed Preserved_Specimen perennial tufted erect culms, ligule firm brownish membrane Bio, K.F. 1001401 Hawaii BISH 2001-05-29
85 Hyparrhenia rufa Hawaiian Paradise Park, Pilikai Rd Roadside weed in mowed and unmowed areas, sunny areas Preserved_Specimen Common, in mowed areas flowering at only about 30 cm tall, in areas where unmowed, reaching up to 1.5 m Faccenda, K. 2252 Hawaii BISH 2022-02-28
86 Hyparrhenia rufa East Maui, Hana District, E of Manawainui Gulch (western) In pasture along rd. Preserved_Specimen Clumping grass, 1.75m tall. Oppenheimer, H.L. 120504 Maui BISH 2005-12-17
87 Hyparrhenia rufa Waimea District, Waimea Canyon State Park, Kekaha Rd ca 0.5 mi from jct w/ Waimea Canyon Drive Common along rd. Preserved_Specimen Tall, clump forming grass of five ft. Flynn, T.W. 2716 Kauai BISH 1988-01-27
88 Hyparrhenia rufa W fork in Flume Rd off of Saddle Rd On 1855 lava flow, vegetation a pioneer community of Metrosideros, Machaerina, & Vaccinium, along edge of rd. Common. Preserved_Specimen Wagner, W.L. 4642 Hawaii BISH 1982-11-16
89 Hyparrhenia rufa Manuka-Kipuka Kaupuaa In predominately exotic vegetation but w/ some pili. Preserved_Specimen Tall, to 2 m ht grass. Stemmermann, R.L. 7158 Hawaii BISH 1987-06-23
90 Hyparrhenia rufa Waimea District: Waimea Canyon State Park, along Makaha Ridge along forestry road called Pine Forest Drive through pine plantations on southern edge of Makaha Ridge; planted conifers with understory of Melinis, Lantana, Psidum, and Stachytarpheta Naturalized locally, cammon. Preserved_Specimen Herb with densely clumping erect culms to 0.6m tall. Lorence, D.H. 7981 Kauai BISH 1997-04-28
91 Hyparrhenia rufa Hauula forest reserve, lower portion of ridge about 200m from suburban development Moist, partly sunny area in invasive dominated forest Preserved_Specimen One patch seen with 20-30 plants, otherwise uncommon Faccenda, K. 2246 Oahu BISH 2022-02-21
92 Hyparrhenia rufa West Maui, Lahaina District, N of Wahikuli Gulch Locally common in open areas, along unpaved roads, trails, and disturbed/degraded Lowland Dry Shrubland Preserved_Specimen Oppenheimer, H.L. 121801 Maui BISH 2018-12-06
93 Hyparrhenia rufa Knudsen's Ranch, Koloa In field of molasses grass. Preserved_Specimen Duvel, A. Kauai BISH 1942-11-15
94 Hyparrhenia rufa Honolulu, Hawaii Loa Ridge trail. Open ridge with Psidium cattleianum, Osteomeles anthyllidifolia, Leptecophylla tameiameiae, Andropogon virginicus, Schinus terebinthifolius Preserved_Specimen Kennedy, B. 99 Oahu BISH 2019-04-26
95 Hyparrhenia rufa East Maui, along Hana Hwy., past mile marker 11, just E of Puohokamoa bridge (Honomanu) Hanging into road - collected from car. Preserved_Specimen Starr, F. 9812085 Maui BISH 1998-12-08
96 Hyparrhenia rufa Hawaii Loa ridge, Southern Koolau mountains. In dry shrubland dominated by Osteomeles anthyllidifolia, Bidens sandvicensis, Desmodium, Psidium cattleianum, Pteridium aquilinium var. decompositum, Dodonaea viscosa, and others. Preserved_Specimen Medium sized clumping grasses with vey long awns and red hues to the new growth as well as on margins of leaves. Nodes a brownish red. Thomas, M.K. 259 Oahu BISH 2022-02-10
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