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Bidens hawaiensis

A.Gray (1861)

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 0.7-2.5 m tall.

Stems:

Roots:

Leaves: Leaves simple. Opposite. Blades oblong or ovate Base cuneate (wedge-shaped). Margins serrate/dentate.

Flowers:

Fruit: Fruit a simple; dry; achene (cypsela); black; glabrous; straight; wingless; 8-13 mm long; 1-1.5 mm wide.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Hawai'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Proc. Amer. Acad. Arts 5: 128 (1861)

Other References

Wagner et al. 1990:275 (H)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Bidens hawaiensis 6 miles Kalapana side of MacKenzie St. Park; along the coastal road Open `ohi`a forest with Styphelia; Scaevola and exotics. Preserved_Specimen Shrub to 1.5 m tall. Stemmermann, R.L. 6816 Hawaii BISH 1982-11-14
2 Bidens hawaiensis Kalauea Beyond E fence of Bird Park On grass-covered lava in open woods Preserved_Specimen Degener, O. 3895 Hawaii BISH 1930-04-15
3 Bidens hawaiensis Kalapana On arid, sunny aa lava Preserved_Specimen Degener, O. 3819 Hawaii BISH 1930-02-07
4 Bidens hawaiensis Pahoa On aa lava Preserved_Specimen Degener, O. 19564 Hawaii BISH 1949-04-01
5 Bidens hawaiensis Kookoolau Crater (incorrectly labelled Lua Manu?) Shaded, mossy woods Preserved_Specimen Degener, O. 3891 Hawaii BISH 1930-03-01
6 Bidens hawaiensis Kokoolau Crater (incorrectly labeled Lua Manu?) In shaded, dap, moss-covered crater floor Preserved_Specimen Degener, O. 3800 Hawaii BISH 1929-11-29
7 Bidens hawaiensis Kau District, Hawaii Volcanoes National Park Hilina Pali Rd Dry area Preserved_Specimen A few shrubby plants from 1 decimeter to 2 m high, this specimen 2 m high Smathers, G. Hawaii BISH 1962-11-20
8 Bidens hawaiensis west slope of Pololu Valley On partly shaded ledges Preserved_Specimen 3-5 ft. high Degener, O. 21892 Hawaii BISH 1952-02-19
9 Bidens hawaiensis Near English public school, Kapoho, Puna In aa lava Preserved_Specimen Degener, O. 4127 Hawaii BISH 1931-12-15
10 Bidens hawaiensis Kaimu-Makena Homesteads, Puna District, near the edge of the 1750 aa flow Growing in `a`a with a scatytered Metrosideros scrub. Preserved_Specimen A 4' shrub, 3/8 basal diameter, with a 4' spread, in excellent health, flowering and fruiting vigorously. Fruits cling to clothing and flowers yellow. Clarke, G. 559 Hawaii BISH 1981-01-31
11 Bidens hawaiensis Pahoa On aa lava Preserved_Specimen Degener, O. 19564 Hawaii BISH 1949-04-01
12 Bidens hawaiensis Near English public school, Kapoho, Puna In aa lava Preserved_Specimen Degener, O. 4127 Hawaii BISH 1931-12-15
13 Bidens hawaiensis Pahoa On aa lava Preserved_Specimen Degener, O. 19564 Hawaii BISH 1949-04-01
14 Bidens hawaiensis Near edge of 1750 aa flow in Kaimu Makena Homesteads, Puna District Approximately 50-100 plants found scattered, growing from `a`a in a scattered Metrosideros scrub with Wikstroemia, Nephrolepis and some grasses. Preserved_Specimen A 5' shrub, 3/8 basal diameter with a 4' spread. Fruits cling to clothing and flowers yellow. Clarke, G. 558 Hawaii BISH 1981-01-21
15 Bidens hawaiensis near Pahoa On dry lava flow of 1840 Preserved_Specimen Borges, A. 3798 Hawaii BISH 1929-11-18
16 Bidens hawaiensis Kilauea Beyond E fence of Bird Park Dry region Preserved_Specimen Degener, O. 7468 Hawaii BISH 1930-05-02
17 Bidens hawaiensis 1750 lava flow Along the coast rd 2.5 mi from Black Sand Beach (intersection with Pahoa Rd) Growing with Metrosideros, Scaevola taccada, Pluchea, Polypodium, etc. Plants rooted in dry aa blocks Preserved_Specimen Shrubs about 2 m high Gillett, G.W. 1753 Hawaii BISH 1965-04-24
18 Bidens hawaiensis Hawaii Preserved_Specimen U.S. Exploring Expedition Hawaii BISH 1838-01-01
19 Bidens hawaiensis Puna District Along Route 137, 5 mi SW of Mackenzie State Park In shrubby area near coast Preserved_Specimen Sprawling shrub Cooperrider, T.S. 11052 Hawaii BISH 1970-01-29
20 Bidens hawaiensis Ainahou Ranch Preserved_Specimen Large shrub several feet high, ray flowers yellow Fagerlund, G.O. 821 Hawaii BISH 1943-08-27
21 Bidens hawaiensis near Puna Road S of Hilo Preserved_Specimen Skottsberg, C.J.F. 2092 Hawaii BISH 1926-09-30
22 Bidens hawaiensis Puna District, lava park Preserved_Specimen Rock, J.F.C. Hawaii BISH 1957-03-01
23 Bidens hawaiensis Puna District, lava park Preserved_Specimen Rock, J.F.C. Hawaii BISH 1957-03-01
24 Bidens hawaiensis Along ditch trail in Pololu Valley On partly shaded rocky canyon side (same station as for #2165) Preserved_Specimen Degener, O. 3090 Hawaii BISH 1930-03-22
25 Bidens hawaiensis Near Wahaula Heiau, mauka of HVNP rd On `a`a lava. Preserved_Specimen Large shrub 6.5 ft tall, stem diameter ca. 4 in. Lvs leathery, fruit 2-awned Char, W.P. 83.012 Hawaii BISH 1983-01-27
26 Bidens hawaiensis Along ditch trail in Pololu Valley On partly shaded rocky canyon side (same station as for #2165) Preserved_Specimen Degener, O. 3090 Hawaii BISH 1930-03-22
27 Bidens hawaiensis 6 miles Kalapana side of MacKenzie St. Park; along the coastal road Open `ohi`a forest with Styphelia; Scaevola and exotics. Preserved_Specimen Shrub to 1.5 m tall. Stemmermann, R.L. 6816 Hawaii BISH 1982-11-14
28 Bidens hawaiensis 1 mi N of Kaimu Open woods Preserved_Specimen Plant 4 ft tall St.John, H. 11239 Hawaii BISH 1931-12-21
29 Bidens hawaiensis Kapoho-seed originally from Kamailii near Kauleau, Preserved_Specimen Degener, O. 4126 Hawaii BISH 1931-12-15
30 Bidens hawaiensis W side of Honopui Valley Along ditch trail leading to Kaukini cabin On precipitous slopes & ledges Preserved_Specimen Degener, O. 21902 Hawaii BISH 1952-02-18
31 Bidens hawaiensis Along railroad track 23 mi from Hilo Toward Kapoho, Puna In aa lava Preserved_Specimen Degener, O. 4215 Hawaii BISH 1931-12-15
32 Bidens hawaiensis Along railroad track 23 mi from Hilo Toward Kapoho, Puna In aa lava Preserved_Specimen Degener, O. 4215 Hawaii BISH 1931-12-15
33 Bidens hawaiensis Kaimu-Makena Homesteads, Puna District, near the edge of the 1750 aa flow Approximately 50 to 100 plants found scattered. Growing from `a`a in a scattered Metrosideros scrub with Wikstroemia, Nephrolepis and some grasses. Preserved_Specimen A 5' shrub, 3/8 basal diameter with a 4' spread. Fruits cling to clothing and flowers yellow. Clarke, G. 558 Hawaii BISH 1981-01-21
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