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Bidens asymmetrica

(H.Lév.) Sherff (1926)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Bidens

ko‘oko‘olau [kookoolau], ko‘olau [koolau]

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Description

Key Characters:

Growth Form: Erect, suffrutescent perennial herbs 0.75-1.5 m tall

Stems:

Roots:

Leaves: Leaves pinnately compound or simple. Opposite. Blades lanceolate or ovate Margins serrate/dentate or subentire.

Flowers:

Fruit: Fruit a simple; dry; achene (cypsela); black; curved or twisted; with a pappus.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Bot. Gaz. 81: 49 (1926)

Other References

Wagner et al. 1990:271 (O)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Mann, H. 428 Oahu BISH 1864-01-01
2 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Mann, H. 98 Oahu BISH 1864-01-01
3 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Mann, H. 98 Oahu BISH 1864-01-01
4 Bidens asymmetrica unknown Preserved_Specimen Degener, O. BISH
5 Bidens asymmetrica Ewa District, Halawa trail Preserved_Specimen Herbst, D.R. 1166 Oahu BISH 1968-06-22
6 Bidens asymmetrica Middle Halawa Ridge Preserved_Specimen Degener, O. 10037 Oahu BISH 1935-11-10
7 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen College of Hawaii Herbarium Oahu BISH
8 Bidens asymmetrica Ridge E of Nuuanu Preserved_Specimen Mann, H. Oahu BISH 1864-01-01
9 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen College of Hawaii Herbarium Oahu BISH
10 Bidens asymmetrica Honolulu; Alewa Hts Above golf links Nuuanu Valley Preserved_Specimen Kelly, M.A. Oahu BISH 1955-01-01
11 Bidens asymmetrica Manoa Ridge Trail On Mauka side On slope with Ti, Euphorbia, celastroides, Hibiscus, Acacia koa, Wikstroemia, etc. Preserved_Specimen Pearsall, G.A. 102 Oahu BISH 1957-03-06
12 Bidens asymmetrica Aiea Loop Trail 1.5 mi in On trail in remnant ohia forest Preserved_Specimen Wagner, W.L. 5328 Oahu BISH 1984-03-02
13 Bidens asymmetrica Red Hill w mi NE of main rd just below Forest Reserve fence In thick, tall grass near summit of ridge Preserved_Specimen Degener, O. 4236 Oahu BISH 1932-10-09
14 Bidens asymmetrica Red Hill About 2.5 mi NE of main rd above Forest Reserve fence In forest on plateau Preserved_Specimen Degener, O. 3237 Oahu BISH 1932-11-09
15 Bidens asymmetrica N slope S Halawa Gulch 1 mi from top of Koolau Range On partly forested lateral ridge Preserved_Specimen 3-10 ft tall with stem base 3\4 in thick Degener, O. 4133 Oahu BISH 1932-04-17
16 Bidens asymmetrica Wailupe Spur leading to central ridge, overlooking high waterfall In depauperate koa community Preserved_Specimen Frail herb Takeuchi, W.N. 3759 Oahu BISH 1988-01-30
17 Bidens asymmetrica N slope S Halawa Gulch 1 mi from top of Koolau Range On partly forested lateral ridge Preserved_Specimen 3-10 ft tall with stem base 3\4 in thick Degener, O. 4133 Oahu BISH 1932-04-17
18 Bidens asymmetrica Aiea Along new C.C.C. Trail Dry sunny bank Preserved_Specimen Topping, D.L. 3834 Oahu BISH 1935-09-22
19 Bidens asymmetrica Puu Lanihuli, Kalihi-Nuuanu Main Ridge running S.W. from Wooded ridge Preserved_Specimen 3' shrub, branching St.John, H. 11181 Oahu BISH 1931-11-29
20 Bidens asymmetrica Middle Halawa Ridge Open, rainy woods at ridge Preserved_Specimen Degener, O. 10070 Oahu BISH 1935-05-26
21 Bidens asymmetrica Manoa Cliffs Trail Above trail In opening on slope Preserved_Specimen Leu, M. 47 Oahu BISH 1987-10-17
22 Bidens asymmetrica Wailupe Steep-sided planeze at course deflection in flowing stream Close-interval Diospyros forest with Blechnum ground layer. Occupying forested sites further into the basin Preserved_Specimen Subshrubs 3-5 ft ht Takeuchi, W.N. 3757 Oahu BISH 1988-01-30
23 Bidens asymmetrica Red Hill w mi NE of main rd just below Forest Reserve fence In thick, tall grass near summit of ridge Preserved_Specimen Degener, O. 4236 Oahu BISH 1932-10-09
24 Bidens asymmetrica Rim of Tantalus Open woods Preserved_Specimen Degener, O. 10035 Oahu BISH 1935-11-12
25 Bidens asymmetrica Wailupe Steep-sided planeze at course deflection in flowing stream Along spine & upper slopes, close-interval Diospyros forest with Blechnum ground layer Preserved_Specimen Takeuchi, W.N. 3757 Oahu BISH 1988-01-30
26 Bidens asymmetrica Wailupe Steep-sided planeze at course deflection in flowing stream Along spine & upper slopes, close-interval Diospyros forest with Blechnum ground layer Preserved_Specimen Takeuchi, W.N. 3757 Oahu BISH 1988-01-30
27 Bidens asymmetrica Red Hill About 2.5 mi NE of main rd above Forest Reserve fence In forest on plateau Preserved_Specimen Degener, O. 3237 Oahu BISH 1932-11-09
28 Bidens asymmetrica Aiea Ridge Trail Crestline Growing in mesic koa-ohia forest Preserved_Specimen Subshrub Takeuchi, W.N. 229 Oahu BISH 1984-07-08
29 Bidens asymmetrica Kalauao-Waimalu Ridge, Koolau Mts Ewa Forest Reserve Moist wooded ridge Preserved_Specimen 3' herb St.John, H. 13024 Oahu BISH 1933-03-29
30 Bidens asymmetrica Manoa cliffs Growing in deep shade Preserved_Specimen Short, single stalked herb Takeuchi, W.N. 135 Oahu BISH 1984-03-26
31 Bidens asymmetrica Koolau Mts, slope of Tantalus In wet forest Preserved_Specimen Furmidge, G. Oahu BISH 1932-12-31
32 Bidens asymmetrica Red Hill w mi NE of main rd just below Forest Reserve fence In thick, tall grass near summit of ridge Preserved_Specimen Degener, O. 4236 Oahu BISH 1932-10-09
33 Bidens asymmetrica Manoa cliffs restoration area Mixed native forest and Bamboo Growin on trail near upper gate by HECO tower. Plants lacking ray florets Terrestrial with Bidens asymmetrica and Bidens pilosa Preserved_Specimen Thomas, M.K. 67 Oahu BISH 2021-05-11
34 Bidens asymmetrica Above Manoa Cliffs Trail On steep, rocky banks in a pocket of native vegetation with Diospyros ferrea subsp. sandwicensis, Metrosideros tremuloides, Psychotria mariniana, & Acacia koa Preserved_Specimen 1' herb Takeuchi, W.N. 134 Oahu BISH 1984-03-26
35 Bidens asymmetrica Aiea By Aiea Loop trail at Puu Uau Dry forest slope Preserved_Specimen 70 cm shrub. Endemic to few adjacent ridges of Koolau Range Mäkinen, L. 66260 Oahu BISH 1966-01-30
36 Bidens asymmetrica Ewa District, Halawa trail Preserved_Specimen Herbst, D.R. 1165 Oahu BISH 1968-06-22
37 Bidens asymmetrica Pacific Hts Trail Shady bank Preserved_Specimen Topping, D.L. 3765 Oahu BISH 1934-10-14
38 Bidens asymmetrica Manoa Ridge Trail On Mauka side Growing on left side of trail in a little open patch with Ti, Euphorbia celastroides, Wikstroemia oahuensis, Acacia koa, etc Preserved_Specimen Pearsall, G.A. 103 Oahu BISH 1957-03-06
39 Bidens asymmetrica Aiea C.C.C. Trail Partly wooded ridge Preserved_Specimen Degener, O. 10332 Oahu BISH 1936-02-16
40 Bidens asymmetrica Wailupe Steep-sided planeze at course deflection in flowing stream Along spine & upper slopes, close-interval Diospyros forest with Blechnum ground layer Preserved_Specimen Takeuchi, W.N. 3757 Oahu BISH 1988-01-30
41 Bidens asymmetrica Moanalua Valley Preserved_Specimen Forbes, C.N. 1184 Oahu BISH 1909-03-09
42 Bidens asymmetrica Manoa Cliffs Trail, Oahu just beyond lookout bench approximately 1 mile from trail head Preserved_Specimen Knope, M. 28 Oahu BISH 2008-02-23
43 Bidens asymmetrica Ewa District, Halawa trail Preserved_Specimen Herbst, D.R. 1166 Oahu BISH 1968-06-22
44 Bidens asymmetrica Nuuanu Pali E ascent from lookout, Lanitruli Ridge Preserved_Specimen Flowers yellow Stone, B.C. 2781 Oahu BISH 1959-05-03
45 Bidens asymmetrica Kulepiamoa Ridge, crestline Near summit Preserved_Specimen 1.5' subshrub Takeuchi, W.N. Oahu BISH 1984-07-29
46 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Oahu BISH
47 Bidens asymmetrica [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Nuttall, T. 506 Oahu BISH
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