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Dichanthium annulatum var. annulatum

This name is accepted

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

airport grass, Angleton 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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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Potentially naturalizing
O'ahu Naturalized
Molokai Naturalized
Lana'i Potentially naturalizing
Kaho'olawe Naturalized
Maui Naturalized
Hawai'i Potentially naturalizing

Dispersal Agents


Pollinators

Bibliography

Other References

Wagner et al. 1990:1528 (O [as Dichanthium annulatum]); Hughes 1995:8 (Mo); Oppenheimer & Bartlett 2002:10 (WM); Faccenda 2023c:97, 100 (now called var. annulatum, K, EM, Ka, H, KEY); Faccenda & Sprague 2024:146 (L); Hosaka 3614 BISH (H†, 1950)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Dichanthium annulatum var. annulatum Ho'olehua, Moloka'i airport. Long term parking lot at airport Weedy area around parked cars, rarely mowed, sunny Preserved_Specimen Common across the island in disturbed areas Faccenda, K. 2891 Molokai BISH 2022-12-26
2 Dichanthium annulatum var. annulatum Lua Makika, N rim, side of rd Windswept shrub/grass land, hardpan substrate. Associated vegetation: Neonotonia. Preserved_Specimen Clumping grass, 1/2m ht; culm nodes pubescent. Pedicelled spikelets linear, narrow, no pit. Starr, F. 307301 Kahoolawe BISH 2003-07-30
3 Dichanthium annulatum var. annulatum Kau, Kahuku, Kahuku Ranch rare, local patch in dry pasture Preserved_Specimen Hosaka, E.Y. 3614 Hawaii BISH 1950-09-29
4 Dichanthium annulatum var. annulatum Central Maui, S side of Kahului Airport Roadside. Preserved_Specimen Hobdy, R.W. 3911 Maui BISH 1995-12-01
5 Dichanthium annulatum var. annulatum Ala Moana Park, Magic island Near recently planted coconuts. Mowed grass Preserved_Specimen Bothriochloa pertusa was present abundantly in this area. This plant however looked different Faccenda, K. 2219 Oahu BISH 2022-02-02
6 Dichanthium annulatum var. annulatum Honolulu, Piikoi St. and Kinau St. Roadside weed from crack in sidewalk Preserved_Specimen Abundant weed in urban Honolulu from cracks in sidewalks. Faccenda, K. 2357 Oahu BISH 2022-04-08
7 Dichanthium annulatum var. annulatum Kapolei Community Park Shady area under Delonix tree, growing with Alternanthera and Malvastrum. Preserved_Specimen Perennial, cespitose, ca. 40-60 cm. tall. 5 plants observed Ross, M.C. 1848 Oahu BISH 2022-11-25
8 Dichanthium annulatum var. annulatum Waimanalo, mauka of intersection of Kakaina St and Waikupanaha St Open, sunny, dryish area Preserved_Specimen Uncommon, only a few plants seen on this road Faccenda, K. 2566 Oahu BISH 2022-08-02
9 Dichanthium annulatum var. annulatum Ninini point road running along the edge of Lihue Airport Roadside weed, sunny, dry area Preserved_Specimen Common, also seen inside the airport Faccenda, K. 2418 Kauai BISH 2022-05-29
10 Dichanthium annulatum var. annulatum Hoolehua Airport. Mixed grassland or open field. Preserved_Specimen Ascending perennial grass, 0.5 m tall. Stem nodes pubescent. Inflorescence composed of short-pedunculate, subdigitate racemes. Naturalized in lawns, fields, roadsides, occasional. Hughes, G.D. 24 Molokai BISH 1992-02-24
11 Dichanthium annulatum var. annulatum Kula, Kula Park on Calasa Rd Roadside weed in mowed area Preserved_Specimen Infl. bright reddish purple. Only one clump seen Faccenda, K. 2833 Maui BISH 2022-10-29
12 Dichanthium annulatum var. annulatum Kahului, intersection of Mikohu Loop and Kanaloa Ave Weed from strip of dirt between sidewalk and road. Dry, sunny area Preserved_Specimen Common, caespitose Faccenda, K. 2727 Maui BISH 2022-10-21
13 Dichanthium annulatum var. annulatum Keomoku Road, about 5 km. from ocean. WGS84 coordinates: Lat. 20.86f0490, Long. -156.912664 Roadside, dry, sunny area. Rare on roadside, only about 10 plants seen Preserved_Specimen Faccenda, K. 3156 Lanai BISH 2023-06-20
14 Dichanthium annulatum var. annulatum Honolulu, intersection of Pali Highway and N. School St Sunny area in crack between sidewalk and wall Preserved_Specimen Several plants in area Faccenda, K. 1992 Oahu BISH 2021-06-12
15 Dichanthium annulatum var. annulatum Hana Hwy ca. 200 m E of Wai'anapanapa state park Wet, sunny roadside dominated by weeds Preserved_Specimen Uncommon, only one small patch seen. Caespitose Faccenda, K. 2771 Maui BISH 2022-10-23
16 Dichanthium annulatum var. annulatum Lunalilo and Ke'eaumoku St Weedy roadside in area which had not recently been mowed or sprayed. Sunny Preserved_Specimen Common in sunny areas Faccenda, K. 1698 Oahu BISH 2020-12-01
17 Dichanthium annulatum var. annulatum Honolulu; Air Defense Nike Site 3-4 Kamehame Ridge, Koolau Summit Growing in lawn & along side of buildings at lower installation. Preserved_Specimen Plants to 24 in ht, culms conspicuously pilose at joints. Racemes often purplish. Nagata, K.M. 1409 Oahu BISH 1976-11-08
18 Dichanthium annulatum var. annulatum Airport road (440) about 232 kkm. Makai of Lanai City. WGS coordinates: Lat. 20.806193, Long -156.937910 Roadside, sunny, rahter dry, mowed annually. Uncommon. This patch about 5 meters wide Preserved_Specimen Faccenda, K. 3126 Lanai BISH 2023-06-19
19 Dichanthium annulatum var. annulatum Near airport. Preserved_Specimen Hobdy, R.W. Molokai BISH 1977-04-01
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