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Tridax procumbens

L. (1753)

This name is accepted

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

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Description

Key Characters:

Growth Form:

Stems:

Roots: Roots a tap root.

Leaves: Leaves simple. Opposite. Blades lanceolate or ovate Apex acute. Base obtuse or rounded. Margins serrate/dentate or undulate.

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kuaihelani (Midway Atoll) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Kaho'olawe Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Wind

Pollinators

Bibliography

Name Published In: Sp. Pl.: 900 (1753)

Other References

Wagner et al. 1990:370 (Mi, K, O, Mo, L, M, Ka, H); Imada & Kennedy 2020:72 (Le)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Tridax procumbens Junction of Hwy 34 & Waihee Valley Rd Assoc. with Rhynchelytrum, Waltheria & Leucaena. Preserved_Specimen Decumbent herb. Ishikawa, S. 319 Maui BISH 1973-11-29
2 Tridax procumbens Mapulehu; H.S.P.A. Experiment Station Roadside. Preserved_Specimen Ray petals cream-yellow; center dark yellow. Fosberg, F.R. 77 Molokai BISH 1936-12-23
3 Tridax procumbens Waimea District, Kawaiele Waterbird Sanctuary Dry coastal With Bacopa monnieri, Dodonaea viscosa, Fimbristylis cymosa, Heliotropium curassavicum, Heteropogon contortus, Jacquemontia sandwicensis, Sesuvium portulacastrum, Sida fallax, Vitex rotundifolia, Vigna Preserved_Specimen Densely pubescent, ~1.5 foot tall herb Walsh, S. 791 Kauai BISH 2021-01-07
4 Tridax procumbens Wailuku District, Kahului, Wash House laundromat, 74 Lono Ave Weed among foundation plantings. Preserved_Specimen Stems decumbent; rays white, disc yellow. Lammers, T.G. 5572 Maui BISH 1984-07-01
5 Tridax procumbens Beck's Cove, gulch behind cove, E side of island, growing along dry streambed Growing along dry streambed in dense Prosopis pallida scrub. Preserved_Specimen Small herbaceous plant. flowers yellow. Cuddihy, L.W. 389 Kahoolawe BISH 1980-09-23
6 Tridax procumbens Honolulu, Makiki Hts. Drive dry roadside; with Callisia fragrans, Eragrostis tenella Preserved_Specimen procumbent herb Ray, G. 17 Oahu BISH 1997-06-02
7 Tridax procumbens Lehua Western crescent arm. Growing on islet crest. Open, dry windswept sparse vegetation on lithifield ash.W/ Verbesina encelioides, Boerhavia and Jacquemontia. Preserved_Specimen Herb w/ scandant side branches forming a matt. Lvs, calyx, and stem w/ white pubescence. Long pedicels, flws w/ purple tine to calyx, yellow florets and cream color rays. Carbone, J. 1823 Lehua Rock BISH 2008-10-28
8 Tridax procumbens Hwy between Kailua & Keahole Airport Exposed, arid roadside. Preserved_Specimen Decumbent herb with dull, pale-green foliage. Ray florets white, disc florets yellow. Herbst, D.R. 5031 Hawaii BISH 1974-09-17
9 Tridax procumbens Ahihi-Kinau Natural Area Reserve, Ahihi Bay at the N end of the reserve Pockets of vegetation near seashore amongst a`a lava ca. 200 years old. Preserved_Specimen Fairly common sprawling composite. Abbott, I.A. 91.25 Maui BISH 1991-03-05
10 Tridax procumbens Ulupalukua, Makawao In Lantana pasture. Open place. Common. Preserved_Specimen Hosaka, E.Y. 1701 Maui BISH 1937-01-20
11 Tridax procumbens Kahoolawe, wind-swept summit On small patches of soil on wind-swept summit. Preserved_Specimen Low herb, 20-30 cm high. Bryan Jr., E.H. 1414 Kahoolawe BISH 1939-01-07
12 Tridax procumbens Honolulu District: Koko Head; NW slope & top of Kuamookane ridge Mostly along paved road Preserved_Specimen Bruegmann, M.M. 158 Oahu BISH 1984-02-18
13 Tridax procumbens Kaumalapau Harbor Locally naturalized in arid, waste places. Preserved_Specimen Degener, O. 28651 Lanai BISH 1963-07-22
14 Tridax procumbens Waimea District, Lehua islet bellow summit on inner crescent. Boerhavia cf. acutifolia, Boerhavia coccinea, Dysphania carinata, Euphorbia hirta, Hypochoeris sp., Jacquemontia sandwicensis, Oxalis corniculata, Panicum torridum, Sonchus oleraceus, Verbesina enceli Preserved_Specimen Herb. Ray petal with three lobes coming to a point. Wolkis, D. 1173 Lehua Rock BISH 2018-02-07
15 Tridax procumbens Waianae Mts, Kolekole lookout Arid cliff face, full sun Preserved_Specimen branch from large plant J.P. Hernandez 56 Oahu BISH 2007-04-21
16 Tridax procumbens Molokini Islet Found in very open spots. Preserved_Specimen Rare. A few lone plants. Starr, F. 6040521 Maui BISH 2006-04-05
17 Tridax procumbens South rim of [Diamond Head] Crater - lowest area. Dry exposed hillside overlooking ocean. Assoc. w/ Euphorbia, Waltheria, Heteropogon, Sida, Bidens, Acacia farnesiana, Leucena. Preserved_Specimen Herbst, D.R. 462 Oahu BISH 1967-04-24
18 Tridax procumbens Kapule Hwy.; Lihue, N section between airport & Hanamaula Stream bridge, W side of road Preserved_Specimen Low spreading herb, with fragile stems hugging ground; stem pale green, on upper side burnished purple-brown to purple, glossy. Leaf: above dull pale green to dark purple glossy, below much paler. Inflor: scape pale green or yellow-green to washed w/purple; head 1.5 x 1.5 cm; invol. bracts olive green w/pale brownish hairs, bracts margined pale purple; ray fls pale creamy yellow, 2- or 3-notched at tip; disc flowers pale yellow, arranged in a crown highest in center. Hume, L. 494 Kauai BISH 1990-03-16
19 Tridax procumbens University of Hawaii Manoa Campus Preserved_Specimen Brittle, decumbent herb with dull, medium-green foliage & pale yellow flowers. Herbst, D.R. 5129 Oahu BISH 1974-12-04
20 Tridax procumbens Wind-swept central plateau Preserved_Specimen Flower brown (all dead). Bryan Jr., E.H. 720 Kahoolawe BISH 1931-02-13
21 Tridax procumbens Kalaupapa; airport, oceanview pavilion Preserved_Specimen taprooted annual herb Wysong, M.L. 425 Molokai BISH 2004-11-11
22 Tridax procumbens Maluea Preserved_Specimen Munro, G.C. 396 Lanai BISH 1928-09-06
23 Tridax procumbens University of Hawaii Manoa Campus Preserved_Specimen Prostrate br. herb; rays creamy-white, disc flower yellow. Ruderal. Common. Swarbrick, J.T. 24 Oahu BISH 1976-01-04
24 Tridax procumbens Near west central perimeter of archaeological site 104; semi-decumbent; protected by Atriplex semibaccata on hardpan Preserved_Specimen Warren, S. 30 Kahoolawe BISH 1987-04-11
25 Tridax procumbens Oahu: Lyon Arboretum. OBSERVATION Curtis Daehler Oahu HAPI 10/18/2007
26 Tridax procumbens Maunalei Gulch Preserved_Specimen Hobdy, R.W. 65 Lanai BISH 1968-12-28
27 Tridax procumbens Lanikai; Mokulua, South Island Preserved_Specimen Herbst, D.R. 5980 Oahu BISH 1978-02-07
28 Tridax procumbens West Maui, Waihee. Preserved_Specimen Funk, E.J. 1304 Maui BISH 1990-05-14
29 Tridax procumbens Molokini Islet; rare on crest of eastern arm Preserved_Specimen Hobdy, R.W. 1243 Maui BISH 1982-02-14
30 Tridax procumbens Wind-swept central plateau Preserved_Specimen Flower brown (all dead). Bryan Jr., E.H. 720 Kahoolawe BISH 1931-02-13
31 Tridax procumbens Diamond Head Beach Preserved_Specimen Munro, G.C. 4 Oahu BISH 1950-01-01
32 Tridax procumbens Wawaia; second eastern gulch Preserved_Specimen Degener, O. 27282 Molokai BISH 1928-06-27
33 Tridax procumbens Kanepuu, N of W slope Preserved_Specimen Munro, G.C. 507 Lanai BISH 1922-09-01
34 Tridax procumbens W Maui, Iao Valley Preserved_Specimen Skottsberg, C.J.F. 790 Maui BISH 1922-11-10
35 Tridax procumbens Miki basin Preserved_Specimen Munro, G.C. 707 Lanai BISH 1925-09-04
36 Tridax procumbens Kanoi Preserved_Specimen Woolford, H.A. 156 Maui BISH 1955-12-01
37 Tridax procumbens Iao Valley, Wailuku Dry, sunny, rocky situation. Preserved_Specimen Degener, O. 27276 Maui BISH 1922-08-29
38 Tridax procumbens Mokulua South, Oahu on southeast slopes On southeast slopes, generally in open areas. Preserved_Specimen Uncommon. Starr, F. 5022321 Oahu BISH 2005-02-23
39 Tridax procumbens Mokulua North On ridges. Preserved_Specimen Rare to occasional. Starr, F. 5022423 Oahu BISH 2005-02-24
40 Tridax procumbens Kapiolani Park, the Zoo Preserved_Specimen Pearsall, G.A. Oahu BISH 1953-07-13
41 Tridax procumbens Ke Kuaaina Preserved_Specimen Munro, G.C. Oahu BISH 1961-01-29
42 Tridax procumbens Pearl Harbor area Preserved_Specimen Kajiwara, J. Oahu BISH 1962-07-11
43 Tridax procumbens West Maui, Ukumehame Preserved_Specimen Lyon, H.L. Maui BISH 1927-04-20
44 Tridax procumbens Lihue Airport, next to long-term parking lot In Weldia planting. Preserved_Specimen Flynn, T.W. Kauai BISH 1995-12-14
45 Tridax procumbens Manana, Oahu Found on ridges and other open areas. Preserved_Specimen Occasional. Starr, F. 502257 Oahu BISH 2005-02-25
46 Tridax procumbens Kaumalapau Harbor Naturalized in arid gulch. Preserved_Specimen Degener, O. 24227 Lanai BISH 1957-08-19
47 Tridax procumbens Maunalei Gulch Arid regions. Preserved_Specimen Hobdy, R.W. 64 Lanai BISH 1968-12-28
48 Tridax procumbens W Maui, 7.5 mi S of Wailuku at Papawai Point Roadside weed. Preserved_Specimen White rays, yellow disc flowers. Henrickson, J.S. 3810 Maui BISH 1969-06-28
49 Tridax procumbens East Maui Dry pineapple field. Preserved_Specimen Hosaka, E.Y. 500 Maui BISH 1931-08-10
50 Tridax procumbens 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. 4740 Maui BISH 1983-01-14
51 Tridax procumbens Far end of eastern crescent arm Open, sparse, windswept vegetation on lithified ash substrate. Growing on islet crest with Boerhavia and Jacquemontia. Preserved_Specimen Aster, 30 cm tall. Yellow discs, white rays florewts. Pubescent stems, lvs and calyx. Trauernicht, C. 599 Lehua Rock BISH 2008-10-28
52 Tridax procumbens Barking Sands; Pacific Missile Range Facility, U.S. Navy. Between Kokole Point & base housing In Dodonaea shrubland on low, coastal sand dunes. Locally common in disturbed area. Preserved_Specimen Prostrate herb with upright flower stalks. Ray flowers pale yellow, dic flowers orange. Flynn, T.W. 2696 Kauai BISH 1988-01-18
53 Tridax procumbens W Maui, Iao Valley, Wailuku Roadside. Preserved_Specimen St.John, H. 10278 Maui BISH 1930-02-09
54 Tridax procumbens Along Makapuu lookout trail in shallow ditch along right hand side of the trail descending from the lookout. Dry open to partially shaded and disturbed areas Preserved_Specimen Herb in full sun. rays cream colored. Gallaher, T. 499 Oahu BISH 2021-01-09
55 Tridax procumbens NE part of island between Lua Makiki & Waaili Gulch In patches of Andropogon pertusus on hardpan substrate. Preserved_Specimen Infrequent small herb; ray flowers pale yellow. Cuddihy, L.W. 403 Kahoolawe BISH 1980-04-24
56 Tridax procumbens East Maui Dry pineapple field. Preserved_Specimen Hosaka, E.Y. 500 Maui BISH 1931-08-10
57 Tridax procumbens Punahou; 1940 Manoa Rd Weed in sunny grass lawn. Preserved_Specimen Ray florets cream; disc florets lemon-yellow. Lau, J. 1471 Oahu BISH 1985-09-30
58 Tridax procumbens Former Naval Air Station Barbers Point, Southern Trap & Skeet Range On bare limestone. With Cassytha filiformis, Leucaena leucocephala, Waltheria Indica, and Stapelia gigantea. Preserved_Specimen Small herb. Ray florets white. BISH staff 93 Oahu BISH 2021-05-17
59 Tridax procumbens NW Kalului Beach, sand dunes. Preserved_Specimen Rays white. Fosberg, F.R. 9631 Maui BISH 1933-08-17
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