img

Cenchrus agrimonioides var. agrimonioides

This name is accepted

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

kāmanomano [kamanomano], kūmanomano

Description

Key Characters:

Growth Form: Perennial herbs.

Stems:

Roots:

Leaves: Leaves simple. Alternate. Blades flat or folded, 20–40 cm long, 5–15 mm wide.

Flowers: Ovary superior.

Fruit: Fruit a caryopsis

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Mokupāpapa (Kure atoll) Not in flora
Ni'ihau(Incl. Lehua) Extirpated
Kuaihelani (Midway Atoll) Not in flora
Kaua'i Only found in cultivation
O'ahu Endemic
Kamole(Laysan Island) Endemic
Lana'i Endemic
Maui Endemic
Hawai'i Extirpated

Dispersal Agents


Pollinators

Bibliography

Other References

Wagner et al. 1990:1512 (O, L, M); Herbst & Clayton 1998:21/Faccenda 2023c:93 (KEY); Faccenda 2025b:113 (Ni†, 1826); Hillebrand 1888:505 (H?†, 1871 [no spm. known]); Paul Higashino pers. comm. 2025 (abundantly planted for restoration on Ka, not yet recruiting from seed); Hank Oppenheimer pers. obs./Munro 286 BISH (L†, 1927)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Collected from a colony of about 15 plants on a ridge crest in mixed mesic forest. Associates: Diospyros, Metrosideros, Psychotria, Carex, Alyxia, Schinus, Bobea, Nestegis, Canthium Preserved_Specimen Lau, J. 2014 Oahu BISH 1986-02-17
2 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details moderate slope in mesic forest; Diospyros, Nestegis, Pleomele, Metrosideros, Acacia, Pouteria, Coprosma, Dodonaea, Wikstroemia, Leptecophylla, Myrsine, Santalum, Alyxia, Bidens, Microlepia, Doodia, Lantana, Erigeron, Adiantum, Diellia, Dryopteris, Asplenium, Doryopteris, Polypodium Preserved_Specimen single, clumping, sprawling Oppenheimer, H.L. 60923 Maui BISH 2009-06-23
3 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details In dry, rocky place under Lantana bushes. Very rare. Preserved_Specimen Hosaka, E.Y. 1730 Maui BISH 1937-01-23
4 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details On open forested rocky ridge. Preserved_Specimen Degener, O. 10906 Oahu BISH 1936-01-19
5 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Herb growing on east facing slope of ridge Preserved_Specimen Height: 0.5 m Obata, J.K. 631 Oahu BISH 1972-06-19
6 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Steep exposed northwest facing slope with Metrosideros dieback, Schinus terebinthifolius, Pittosporum glabrum, Chamaesyce multiformis, Bidens torta, and vines of Alyxia oliviformis, Viola chamissoniana var. tracheliifolia. Preserved_Specimen Welton, P. 558 Oahu BISH 1990-07-01
7 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Single plant in dark gulch, in strembed; waif from heights? Preserved_Specimen Degener, O. 12264 Oahu BISH 1936-04-13
8 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details In partial shade of Metrosideros, Schinus, and Bidens Preserved_Specimen Nagata, K.M. 1166 Oahu BISH 1973-07-04
9 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Specimen taken from one in an aggregation of about nine clumps all within a few meters of each other, on a grassy dirt embankment very near a ridgecrest, in short-statured broken-canopied mesic forest highly native in character. Preserved_Specimen Lau, J. 1516.1 Oahu BISH 1985-10-13
10 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details A single dense clump 2.5m long x 1.5m wide growing in rough a`a clinker in the bottom of a lava channel in scattered dry forest. Preserved_Specimen Hobdy, R.W. 3531 Maui BISH 1993-02-15
11 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Tuft by trail, upper woods Preserved_Specimen St.John, H. 18673 Oahu BISH 1938-02-27
12 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Partial shade under bush being crowded out by exotic grasses Preserved_Specimen White stigmas appearing before yellow anthers Degener, O. 27961 Oahu BISH 1962-05-06
13 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details In partial shade of Metrosideros, Schinus, and Bidens Preserved_Specimen Nagata, K.M. 1166 Oahu BISH 1973-07-04
14 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Open forest on dry ridge by trail Preserved_Specimen St.John, H. 21524 Oahu BISH 1946-03-17
15 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Cultivated, botanical garden, native plants section along road. Preserved_Specimen Herb with culms densely clumping, erect spreading, to c. 30 cm tall. Inflorescences erect, spikelets greenish-yellow in flower, brown in fruit, spikelets burr-like with hook-tipped spines, attaching to clothing and skin. Lorence, D.H. 10084 Kauai BISH 2009-05-07
16 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details On open forested rocky ridge. Preserved_Specimen Degener, O. 10906 Oahu BISH 1936-01-19
17 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Partly shaded almost precipitous rocky ridge Preserved_Specimen Degener, O. 12265 Oahu BISH 1932-06-26
18 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Growing in light shade on ridge crest. Preserved_Specimen Herbst, D.R. 5361 Oahu BISH 1975-06-15
19 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 88 Maui BISH
20 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen 0.25 m grass, stiff; sticky awn fruit Dunn, L. 159 Kauai BISH 2003-04-03
21 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wilder, G.P. 65 Oahu BISH 1912-01-01
22 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 10906 Oahu BISH 1936-01-19
23 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2070 Maui BISH 1920-03-25
24 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Munro, G.C. 404 Lanai BISH 1915-02-22
25 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Munro, G.C. 286 Lanai BISH 1927-07-29
26 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2031 Maui BISH 1920-03-19
27 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5120 Oahu BISH 1983-12-11
28 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Maui BISH
29 Cenchrus agrimonioides var. agrimonioides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wilder, G.P. 66 BISH 1913-01-01
Back to Top