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Macadamia tetraphylla

L.A.S.Johnson (1954)

This name is accepted

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

rough-shelled macadamia nut

Description

Key Characters:

Growth Form: Trees or shrubs, 3–18 m tall.

Stems:

Roots:

Leaves: Leaves simple. Leaves in whorls of (3-)4(-5). Blades oblong-oblanceolate. Apex acute to shortly acuminate. Base truncate to ± cordate. Surfaces leathery. Margins regularly spiny serrate. Subsessile or with petiole to 4 mm. Stipules absent.

Flowers: Inflorescences axillary, simple, 5.5-38 cm, densely brownish yellow tomentose; bracts of flower pairs subulate to linear, 0.2-1.4 mm. Pedicel 2-3 mm. Flowers perfect. Perianth yellowish or pink, 5.5-15 mm, tomentose. Stamens 4, opposite perianth segments. Ovary superior, 1-loculed, ovary and base of style brownish yellow pubescent; style terminal, simple.

Fruit: Fruit globose; 1.5-5 cm in diam.; apex apiculate. Seeds usually 1; seed coat bony; wrinkled or with shallow depressions.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Naturalized
Molokai Only found in cultivation
Lana'i Only found in cultivation
Maui Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Proc. Linn. Soc. New South Wales 79: 15 (1954)

Other References

Wagner et al. 1990:1085 (cult. and known to persist but not nat.); Oppenheimer 2004:16 (NEWNAT/EM, DESCR); Staples & Herbst 2005:470 (DESCR); Faccenda 2024b:129 (O)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Macadamia tetraphylla L.A.S.Johnson Kaumalapau pili-sida, arid slope PRESERVED_SPECIMEN Degener, O. 30113 Lanai BISH 1/11/1964
2 Macadamia tetraphylla L.A.S.Johnson honolulu, lower manoa valley residence yard PRESERVED_SPECIMEN staples, g.w. lee, p. collector number: 568 Oahu BISH 3/8/1990
3 Macadamia tetraphylla L.A.S.Johnson kaumalapau pili-sida, arid slope PRESERVED_SPECIMEN degener, o. degener, i. collector number: 30113 Lanai BISH 1/11/1964
4 Macadamia tetraphylla L.A.S.Johnson beretania st.; jaeger place PRESERVED_SPECIMEN caum, e.l. Kauai BISH 6/24/1924
5 Macadamia tetraphylla L.A.S.Johnson honolulu, makiki area. on the grounds of the contemporary museum, 2411 makiki heights drive Grown on lawn below main galleries. PRESERVED_SPECIMEN staples, g.w. medbury, j.s. collector number: 850 Oahu BISH 7/13/1992
6 Macadamia tetraphylla L.A.S.Johnson east maui, makawao district, maliko gulch, leeward side of piiholo Growing meadow ricegrass on floor of open `ohi`a - koa - hapu`u forest. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h110214 Hawaii BISH 11/24/2002
7 Macadamia tetraphylla L.A.S.Johnson Koolau Range, Poamoho PRESERVED_SPECIMEN Hamilton, R.A. s.n. Oahu BISH 2/12/1964
8 Macadamia tetraphylla L.A.S.Johnson honolulu, 2651 pali hwy Native cloud forest. Growing on long in open area with Metrosideros polymorpha, Vaccinium, Machaerina spp., Smilax, Psychotria sp., as well as Andropogan virginicus and Clidemia hirta. PRESERVED_SPECIMEN nagata, k.m. collector number: 1288 Kauai BISH 3/9/1976
9 Macadamia tetraphylla L.A.S.Johnson East Maui, Makawao District, Maliko Gulch, leeward side of Piiholo In alien forest dominated by Schinus, Psidium cattleianum, Fraxinus, Cinnamomum camphora, & Acacia mearnsii. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H110214 Maui BISH 11/24/2002
10 Macadamia tetraphylla L.A.S.Johnson east maui, makawao district, maliko gulch, leeward side of piiholo In alien forest dominated by Schinus, Psidium cattleianum, Fraxinus, Cinnamomum camphora, & Acacia mearnsii. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h110214 Maui BISH 11/24/2002
11 Macadamia tetraphylla L.A.S.Johnson kalaupapa, settlement, s side of state staff dorm alien mixed vegetation dominated by large Ficus tree PRESERVED_SPECIMEN wysong, m.l. collector number: 826 Molokai BISH 12/2/2005
12 Macadamia tetraphylla L.A.S.Johnson East Maui, Makawao District, Maliko Gulch, leeward side of Piiholo In alien forest dominated by Schinus, Psidium cattleianum, Fraxinus, Cinnamomum camphora, & Acacia mearnsii. PRESERVED_SPECIMEN Oppenheimer, H.L. Duvall, F.; Baldwin, P. Collector Number: H110214 Maui BISH 11/24/2002
13 Macadamia tetraphylla L.A.S.Johnson Beretania St.; Jaeger place PRESERVED_SPECIMEN Caum, E.L. s.n. Oahu BISH 6/24/1924
14 Macadamia tetraphylla L.A.S.Johnson Honolulu, Makiki area. On the grounds of The Contemporary Museum, 2411 Makiki Heights Drive Grown on lawn below main galleries. PRESERVED_SPECIMEN Staples, G. 850 Oahu BISH 7/13/1992
15 Macadamia tetraphylla L.A.S.Johnson east maui, makawao district, maliko gulch, leeward side of piiholo PRESERVED_SPECIMEN oppenheimer, h.l. duvall, f.; baldwin, p. collector number: h110214 Hawaii US 11/24/2002
16 Macadamia tetraphylla L.A.S.Johnson Honolulu, 2651 Pali Hwy Chruch grounds, between office building and stream PRESERVED_SPECIMEN Nagata, K.M. 1288 Oahu BISH 3/9/1976
17 Macadamia tetraphylla L.A.S.Johnson East Maui, Makawao District, Maliko Gulch, leeward side of Piiholo In alien forest dominated by Schinus, Psidium cattleianum, Fraxinus, Cinnamomum camphora, & Acacia mearnsii. PRESERVED_SPECIMEN Oppenheimer, H.L. H110214 Maui BISH 11/24/2002
18 Macadamia tetraphylla L.A.S.Johnson Honolulu, lower Manoa valley residence yard PRESERVED_SPECIMEN Staples, G. 568 Oahu BISH 3/8/1990
19 Macadamia tetraphylla L.A.S.Johnson east maui, makawao district, maliko gulch, leeward side of piiholo under Pisonia PRESERVED_SPECIMEN oppenheimer, h.l. duvall, f.; baldwin, p. collector number: h110214 Hawaii BISH 11/24/2002
20 Macadamia tetraphylla L.A.S.Johnson Kalaupapa, settlement, S side of state staff dorm alien mixed vegetation dominated by large Ficus tree PRESERVED_SPECIMEN Wysong, M.L. 826 Molokai BISH 12/2/2005
21 Macadamia tetraphylla L.A.S.Johnson Makaha Valley. Diospyros-Acacia-Metrosideros montane mesic forest PRESERVED_SPECIMEN K. R. Wood 18378 Kauai PTBG 2/6/2020
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