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Macadamia integrifolia

Maiden & Betche (1896)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Proteopsida Order: Proteales Family: Proteaceae Genus: Macadamia

macadamia nut, queensland nut, smooth-shelled macadamia nut

Description

Key Characters:

Growth Form: Trees 5–18 m tall.

Stems:

Roots:

Leaves: Leaves simple. Leaves mostly in whorls of 3. Blades oblong to oblanceolate, 5-15 × 2-6.5 cm. Apex acute to obtuse and sometimes retuse. Base attenuate. Blade leathery. Margins irregularly spiny toothed or entire. Petioles 4-18 mm. Stipules absent.

Flowers: Inflorescences axillary, simple, 8.5-25 cm, sparingly puberulous; bracts of flower pairs ovate, 0.5-5 mm. Pedicel 3-4 mm. Perianth white or yellowish, 5-11 mm, pilose. Anthers 4, 0.7-2.2 mm. Ovary superior, 1-loculed, ovary and base of style brownish villous.

Fruit: Fruit globose; 2-4.5 cm in diam.; pericarp 2-6 mm thick; hard; leathery; tardily dehiscent. Seeds usually 1; seed coat bony; smooth.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Only found in cultivation
O'ahu Potentially Naturalizing
Molokai Naturalized
Maui Only found in cultivation

Dispersal Agents

Water/Ocean
Other Animals

Pollinators

Specimens

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Bibliography

Name Published In: Proc. Linn. Soc. New South Wales, ser. 2, 11: 624 (1896)

Other References

Wagner et al. 1990:1085; Staples & Herbst 2005:468 (KEY), 470 (DESCR); Oppenheimer 2010:38 (NEWNAT/Mo, DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Macadamia integrifolia Maiden & Betche Honolulu; Maunaloa Gardens PRESERVED_SPECIMEN Higuchi, G.T. 37 Oahu BISH 5/14/1971
2 Macadamia integrifolia Maiden & Betche Honolulu; Manoa; HSPA Arboretum: "Kukui zone" PRESERVED_SPECIMEN Egler, F.E. 37-146 Oahu BISH 6/19/1937
3 Macadamia integrifolia Maiden & Betche along Hwy 50 near Koloa turnoff PRESERVED_SPECIMEN Spence, G. 421 Kauai BISH 11/3/1976
4 Macadamia integrifolia Maiden & Betche Honolulu; 42 Coelho Way (M.C.Neal's home) PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 1/27/1946
5 Macadamia integrifolia Maiden & Betche Honolulu: cultivated in grounds of Dr. Lyon; 1328 Matlock Avenue PRESERVED_SPECIMEN Harris, J.A. C242278 Oahu BISH 10/2/1924
6 Macadamia integrifolia Maiden & Betche Waipahu Cultural Gardens, 94-695 Waipahu St full sun PRESERVED_SPECIMEN Lau, J. 2125 Oahu BISH 3/10/1986
7 Macadamia integrifolia Maiden & Betche Honolulu: University of Hawaii Manoa Campus PRESERVED_SPECIMEN Powell, L. PRC233 Oahu BISH
8 Macadamia integrifolia Maiden & Betche Honolulu: cultivated in grounds of Dr. Lyon PRESERVED_SPECIMEN Harris, J.A. C242277 Oahu BISH 10/2/1924
9 Macadamia integrifolia Maiden & Betche koolau range, poamoho PRESERVED_SPECIMEN hamilton, r.a. Oahu BISH 2/12/1964
10 Macadamia integrifolia Maiden & Betche Palaau, Puulua Occasional on steep slopes in Casuarina thickets. PRESERVED_SPECIMEN Oppenheimer, H.L. H40703 Molokai BISH 4/3/2007
11 Macadamia integrifolia Maiden & Betche Moanalua PRESERVED_SPECIMEN Potter, C. s.n. Oahu BISH 10/19/1930
12 Macadamia integrifolia Maiden & Betche palaau, puu lua Occasional on steep slopes in Casuarina thickets. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h40703 Molokai BISH 4/3/2007
13 Macadamia integrifolia Maiden & Betche Poamoho, Koolau Ranch PRESERVED_SPECIMEN Hamilton, R.A. s.n. Oahu BISH 2/12/1964
14 Macadamia integrifolia Maiden & Betche honolulu: university of hawaii manoa campus PRESERVED_SPECIMEN powell, l. collector number: prc233 Oahu BISH
15 Macadamia integrifolia Maiden & Betche betw kakaauuku & kahuuwai gulches, kaluakai In abandoned orchard. PRESERVED_SPECIMEN herbst, d.r. collector number: dh 5101 Molokai BISH 11/12/1974
16 Macadamia integrifolia Maiden & Betche honolulu; maunaloa gardens PRESERVED_SPECIMEN higuchi, g.t. collector number: 37 Oahu BISH 5/14/1971
17 Macadamia integrifolia Maiden & Betche honolulu; 42 coelho way (m.c.neal's home) PRESERVED_SPECIMEN neal, m.c. collector number: s.n. Oahu BISH 1/27/1946
18 Macadamia integrifolia Maiden & Betche honolulu; manoa; hspa arboretum: "kukui zone" PRESERVED_SPECIMEN egler, f.e. collector number: 37-146 Oahu BISH 6/19/1937
19 Macadamia integrifolia Maiden & Betche wailua game reserve plots stipmined for bauxite ore. Tree plot area PRESERVED_SPECIMEN howard, r.a. collector number: 20209 Kauai BISH 10/20/1985
20 Macadamia integrifolia Maiden & Betche waianae valley; waianae stream along trail on dike A single plant in disturbed koa - `ohi`a firest with understory of waiawi, hapu`u, kopiko, ect. PRESERVED_SPECIMEN lennstrom, h. collector number: 1994-60 Hawaii BISH 2/11/1994
21 Macadamia integrifolia Maiden & Betche Halemanu, Knudsen's yard PRESERVED_SPECIMEN MacDaniels, L.H. 770 Kauai BISH 2/17/1927
22 Macadamia integrifolia Maiden & Betche Kokee, Faye Road, end of "Nameless" trail PRESERVED_SPECIMEN Flynn, T. 2758 Kauai BISH 2/17/1988
23 Macadamia integrifolia Maiden & Betche Honolulu PRESERVED_SPECIMEN Rock, J.F.C. 2570 Oahu BISH 4/1/1909
24 Macadamia integrifolia Maiden & Betche honolulu; liliha street near judd street Partly open slope. PRESERVED_SPECIMEN ho, a. collector number: s.n. Oahu BISH 2/20/1932
25 Macadamia integrifolia Maiden & Betche honolulu Growing with 5561 (Cyrtandra platyphylla, one putative parent). PRESERVED_SPECIMEN rock, j.f.c. collector number: 2570 Hawaii BISH 4/1/1909
26 Macadamia integrifolia Maiden & Betche moanalua PRESERVED_SPECIMEN potter, c. Oahu BISH 10/19/1930
27 Macadamia integrifolia Maiden & Betche honolulu; planted in ehrhorn's manoa valley garden PRESERVED_SPECIMEN degener, o. collector number: 8681 Kauai BISH 12/28/1931
28 Macadamia integrifolia Maiden & Betche kalaheo, along niho and kaloke roads house yards PRESERVED_SPECIMEN lorence, d.h. collector number: 5820 Kauai BISH 2/21/1988
29 Macadamia integrifolia Maiden & Betche Honolulu PRESERVED_SPECIMEN Rock, J.F.C. Collector Number: 2570 Oahu BISH 4/1/1909
30 Macadamia integrifolia Maiden & Betche waialua; kaaniooloa road Slope = 5 degrees; soil = Clay loam. PRESERVED_SPECIMEN afualo, d. collector number: 11 Oahu BISH 2/16/1975
31 Macadamia integrifolia Maiden & Betche halemanu, knudsen's yard PRESERVED_SPECIMEN macdaniels, l.h. collector number: 770 Kauai BISH 2/17/1927
32 Macadamia integrifolia Maiden & Betche honolulu, ferdinand ave PRESERVED_SPECIMEN bryan jr., e.h. collector number: s.n. Oahu BISH 10/21/1964
33 Macadamia integrifolia Maiden & Betche Wailua Game Reserve plots stipmined for bauxite ore. Tree plot area PRESERVED_SPECIMEN Howard, R.A. 20209 Kauai BISH 10/20/1985
34 Macadamia integrifolia Maiden & Betche honolulu; garden of v.h.duker PRESERVED_SPECIMEN fosberg, f.r. collector number: 9377 Oahu BISH 4/1/1933
35 Macadamia integrifolia Maiden & Betche wahiawa; 264 california avenue Soil = red clay. PRESERVED_SPECIMEN elia, h.v.k. collector number: he 24 Oahu BISH 4/4/1971
36 Macadamia integrifolia Maiden & Betche poamoho, koolau ranch PRESERVED_SPECIMEN hamilton, r.a. Oahu BISH 2/12/1964
37 Macadamia integrifolia Maiden & Betche Honolulu, 1930 Ualakaa St PRESERVED_SPECIMEN Wilder, G.P. s.n. Oahu BISH 3/5/1931
38 Macadamia integrifolia Maiden & Betche kaluakoi, between kakaaukuu and kahuuwai gulches, along road to moomomi beach PRESERVED_SPECIMEN herbst, d.r. spence, g. collector number: 5101 Hawaii BISH 11/12/1974
39 Macadamia integrifolia Maiden & Betche honolulu, 1930 ualakaa st PRESERVED_SPECIMEN wilder, g.p. Oahu BISH 3/5/1931
40 Macadamia integrifolia Maiden & Betche honolulu: cultivated in grounds of dr. lyon; 1328 matlock avenue PRESERVED_SPECIMEN harris, j.a. collector number: c242278 Oahu BISH 10/2/1924
41 Macadamia integrifolia Maiden & Betche honolulu; planted in manoa valley PRESERVED_SPECIMEN degener, o. collector number: 3692 Oahu BISH 3/14/1929
42 Macadamia integrifolia Maiden & Betche waipahu cultural gardens, 94-695 waipahu st Ohia wetland dieback. Soil a moderately shallow organic/ash with poor drainage found over a pahoehoe flow. Primary vegetation: Metrosideros polymorpha, Acacia koa, Cheirodendron trigynum, Antidesma platyphyllum. PRESERVED_SPECIMEN lau, j. cory, c. collector number: 2125 Hawaii BISH 3/10/1986
43 Macadamia integrifolia Maiden & Betche polihau state park, hwy 58 PRESERVED_SPECIMEN flynn, t. lorence, d. collector number: 2784 Kauai BISH 2/26/1988
44 Macadamia integrifolia Maiden & Betche Between Kakaauuku & Kahuuwai Gulches, Kaluakai In abandoned orchard. PRESERVED_SPECIMEN Herbst, D.R. 5101 Molokai BISH 11/12/1974
45 Macadamia integrifolia Maiden & Betche along hwy 50 near koloa turnoff PRESERVED_SPECIMEN spence, g. collector number: 421 Kauai BISH 11/3/1976
46 Macadamia integrifolia Maiden & Betche Hwy 58, Polihau State Park. Cultivated trees in park. Cultivated. PRESERVED_SPECIMEN Tim Flynn 2785 Kauai PTBG 2/26/1988
47 Macadamia integrifolia Maiden & Betche honolulu: cultivated in grounds of dr. lyon PRESERVED_SPECIMEN harris, j.a. collector number: c242277 Oahu BISH 10/2/1924
48 Macadamia integrifolia Maiden & Betche oahu. PRESERVED_SPECIMEN curran, h.m. 117 NSW 4/9/1911
49 Macadamia integrifolia Maiden & Betche Lawai Valley. National Tropical Botanical Garden, Allerton Estate fruit orchard. Cultivated. PRESERVED_SPECIMEN Tim Flynn 7400 Kauai PTBG 9/24/2008
50 Macadamia integrifolia Maiden & Betche Wailua, Wailua Homesteads, Makana Road. 2/3 way up road in an empty lot East side of road. PRESERVED_SPECIMEN Natalia Tangalin 1293 Kauai PTBG 5/29/2007
51 Macadamia integrifolia Maiden & Betche Omao. Abandoned Mac-nut plantation N of Hwy 50, across hwy from Omao Road intersection. Secondary vegetation. PRESERVED_SPECIMEN Tim Flynn 7794 Kauai PTBG 5/13/2014
52 Macadamia integrifolia Maiden & Betche Kalaheo, along Niho Road and Kaloke Road. Plantings in yards around houses. Cultivated. PRESERVED_SPECIMEN David H. Lorence 5820 Kauai PTBG 2/21/1988
53 Macadamia integrifolia Maiden & Betche Kokee State Park, Faye Road near end of "Nameless" trail. PRESERVED_SPECIMEN Tim Flynn 2758 Kauai PTBG 2/17/1988
54 Macadamia integrifolia Maiden & Betche Kaluakoi, between Kakaauuku and Kahuuwai Gulches, along road to Moomomi Beach dry pasture land PRESERVED_SPECIMEN Herbst, D.R. 5101 Molokai BISH 11/12/1974
55 Macadamia integrifolia Maiden & Betche Above Wailua, Wailua Game Reserve. Vegetation on plots stripmined for bauxite ore in 1958-60. Tree plot area. Fertilizer applied topically. PRESERVED_SPECIMEN Richard A. Howard 20209 Kauai PTBG 10/20/1985
56 Macadamia integrifolia Maiden & Betche Kokee, Camp 10 Road. Growing along roadside. PRESERVED_SPECIMEN Kelsey Brock 925 Kauai PTBG 11/21/2016
57 Macadamia integrifolia Maiden & Betche Hwy 58, Polihau State Park. Cultivated trees in park. Cultivated. PRESERVED_SPECIMEN Tim Flynn 2784 Kauai PTBG 2/26/1988
58 Macadamia integrifolia Maiden & Betche Above Wailua, Wailua Game Reserve. Vegetation on plots stripmined for bauxite ore in 1958-60. PRESERVED_SPECIMEN Shawn Lum s.n. Kauai PTBG 7/1/1983
59 Macadamia integrifolia Maiden & Betche along hwy. 50 near koloa turnoff PRESERVED_SPECIMEN g. spence 421 Oahu US 11/3/1976
60 Macadamia integrifolia Maiden & Betche koloa dist, kalaheo, along niho rd and kaloke rd PRESERVED_SPECIMEN d. h. lorence 5820 Kauai US 2/21/1988
61 Macadamia integrifolia Maiden & Betche kaluakai, between kakaaukuu and kahuuwai gulches, along road to moomomi beach PRESERVED_SPECIMEN d. r. herbst & g. spence 5101 Molokai US 11/12/1974
62 Macadamia integrifolia Maiden & Betche kauai island: lawai. national tropical botanical garden. pump 6 area PRESERVED_SPECIMEN h. t. beck 1190 Oahu US 8/5/1990
63 Macadamia integrifolia Maiden & Betche Kona District, Manoa Lyon Arboretum: H22 - along Jeep Road below across from large Albizia that was removed on Spathiphyllum Bank. PRESERVED_SPECIMEN Dunn, L. LOA_562 Oahu BISH 5/30/2014
64 Macadamia integrifolia Maiden & Betche Kalaheo, along Niho and Kaloke Roads house yards PRESERVED_SPECIMEN Lorence, D.H. 5820 Kauai BISH 2/21/1988
65 Macadamia integrifolia Maiden & Betche Honolulu; Liliha Street near Judd Street PRESERVED_SPECIMEN Ho, A. s.n. Oahu BISH 2/20/1932
66 Macadamia integrifolia Maiden & Betche Polihau State Park, Hwy 58 PRESERVED_SPECIMEN Flynn, T. 2784 Kauai BISH 2/26/1988
67 Macadamia integrifolia Maiden & Betche Wahiawa; 264 California Avenue Soil = red clay. PRESERVED_SPECIMEN Elia, H.V.K. HE 24 Oahu BISH 4/4/1971
68 Macadamia integrifolia Maiden & Betche Honolulu; Garden of V.H.Duker PRESERVED_SPECIMEN Fosberg, F.R. 9377 Oahu BISH 4/1/1933
69 Macadamia integrifolia Maiden & Betche Honolulu; Planted in Manoa Valley PRESERVED_SPECIMEN Degener, O. 3692 Oahu BISH 3/14/1929
70 Macadamia integrifolia Maiden & Betche Waialua; Kaaniooloa Road Slope = 5 degrees; soil = Clay loam. PRESERVED_SPECIMEN Afualo, D. 11 Oahu BISH 2/16/1975
71 Macadamia integrifolia Maiden & Betche Waianae Valley; Waianae Stream along trail on dike Schinus; Acacia; Macadamia - open forest. Common. PRESERVED_SPECIMEN Lennstrom, H. 1994-60 Oahu BISH 2/11/1994
72 Macadamia integrifolia Maiden & Betche Honolulu, Ferdinand Ave PRESERVED_SPECIMEN Bryan Jr., E.H. s.n. Oahu BISH 10/21/1964
73 Macadamia integrifolia Maiden & Betche honolulu; government nursery grounds PRESERVED_SPECIMEN rock, j.f.c. collector number: 2545 Oahu BISH 4/1/1909
74 Macadamia integrifolia Maiden & Betche Honolulu; Government Nursery Grounds PRESERVED_SPECIMEN Rock, J.F.C. 2545 Oahu BISH 4/1/1909
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