Metrosideros rugosa

A.Gray (1854)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Myrtaceae Genus: Metrosideros

lehua papa, ʻōhiʻa [ohia]

Description

Key Characters:

Growth Form: Shrubs or rarely small trees.

Stems: Branched from base, bark pale, separating in thin flakes, branchlets quadrangular, narrowly winged, vegetative buds ± obovoid with many fimbriate rounded scales up to 10 mm long and 7 mm wide.

Roots:

Leaves: Leaves simple, dorsiventral (distinctly different upper and lower surfaces). Opposite. Blades obovate to suborbicular, 2–2.8 cm long, 1.3–2.2 cm wide. Apex rounded. Base cuneate to rounded. Upper surfaces dark green, shiny, glabrous; lower surfaces densely woolly with tan to reddish brown, long, appressed hairs. Margins revolute. Midrib and secondary veins strongly raised on lower surface and impressed on upper surface. Petioles ca. 2 mm long, 1.5–2 mm wide. Stipules vestigial or absent.

Flowers: Flowers in inflorescences of 2–3 pairs of cymules, with a dense, woolly, tan tomentum, peduncles less than 5 mm long and 2 mm wide, pedicels less than 2 mm long and 1.5 mm wide, bracts elliptic, less than 3 mm long and 2.5 mm wide. Flowers bisexual (perfect), actinomorphic. Hypanthium well–developed above ovary, fruiting hypanthium ca. 5 mm long and wide. Sepals distinct, rounded to triangular, ca. 2 mm long and wide, imbricate. Petals distinct, obovate, less than 3 mm long and 2.5 mm wide, margins densely fimbriate, imbricate. Stamens numerous, 1.8–2.3 cm long, distinct; filaments distinct; anthers dithecal. Ovary nearly superior; ovules numerous, placentation axile, anatropous; style 2.3–2.7 cm long, terminal, simple; stigma small.

Fruit: Fruit not known.

Ploidy:

Habitat: Near and on summits of cliffs.

Elevation Range: 700–800 m.

Historical Distribution

Uses and Culture

USES

  • Flowers used in lei (Krauss 1993:77).

Natural History

Statewide Status

Endemic

Island Status

O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: U.S. Expl. Exped., Phan. 1: 561 (1854)

Other References

Wagner et al. 1990:969 (O)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wilson, K.A. 110 Oahu BISH 1952-03-16
2 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Stone, B.C. 1156 Oahu BISH 1955-09-24
3 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Garber, D.W. 129 Oahu BISH 1920-01-04
4 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 17126 Oahu BISH 1917-09-01
5 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Davis, H. Oahu BISH 1932-10-16
6 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen (Not on sheet) Oahu BISH 1945-10-21
7 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lyon, H.L. Oahu BISH 1909-09-05
8 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tsuji, N. Oahu BISH 1932-10-16
9 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Oahu BISH 1908-11-14
10 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 138 Oahu BISH 1908-08-17
11 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 922 Oahu BISH 1908-12-24
12 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 1976 Oahu BISH 1985-02-03
13 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Krajina, V.J. 611029013 Oahu BISH 1961-10-29
14 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 646 Oahu BISH 1908-11-14
15 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Rain forest Preserved_Specimen Morley, H. 84 Oahu BISH 1933-12-10
16 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Steep, open slopes Preserved_Specimen Forbes, C.N. Oahu BISH 1935-04-28
17 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Wet divide Preserved_Specimen Hosaka, E.Y. 723 Oahu BISH 1932-09-18
18 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details On steep clay slopes, locally common in wind expos Preserved_Specimen Takeuchi, W.N. 2795 Oahu BISH 1986-08-30
19 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details With weedy melastomes Preserved_Specimen Stemmermann, R.L. 6861 Oahu BISH 1983-08-28
20 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Exposed ridge Preserved_Specimen MacDaniels, L.H. 123 Oahu BISH 1926-12-21
21 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details A colony along the crestline Preserved_Specimen Takeuchi, W.N. Oahu BISH 1985-12-01
22 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details On steep slopes near Metrosideros rugosa 2795 Preserved_Specimen Takeuchi, W.N. 2796 Oahu BISH 1986-08-30
23 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Wet forest Preserved_Specimen Christophersen, E. 1805 Oahu BISH 1931-05-10
24 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Upper forest Preserved_Specimen Kuykendall, J.R. 74 Oahu BISH 1943-02-04
25 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Oahu BISH 1908-09-17
26 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Woolford, H.A. Oahu BISH 1955-10-30
27 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Kondo, Y. Oahu BISH 1951-07-14
28 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen U.S. Exploring Expedition Oahu BISH
29 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Thicket, cloud zone. Preserved_Specimen St.John, H. 20434 Oahu BISH 1943-12-12
30 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Ilex Forest Preserved_Specimen Grant, M.L. 7411 Oahu BISH 1934-09-30
31 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Cloud-swept summit Preserved_Specimen Degener, O. 12310 Oahu BISH 1939-03-23
32 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Dwarfed vegetation. Preserved_Specimen Takeuchi, W.N. Oahu BISH 1986-01-01
33 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details windswept summit. Metrosideros-Cheirodendron mixed wet forest. W/ Freycinetia, Kadua spp, Wikstroemia oahuensis, Machaerina angustifolia Preserved_Specimen Wood, K.R. 13072 Oahu BISH 2008-06-01
34 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details windswept summit. Metrosideros-Cheirodendron mixed wet forest. W/ Freycinetia, Kadua spp, Wikstroemia oahuensis, Machaerina angustifolia Preserved_Specimen Wood, K.R. 13077 Oahu BISH 2008-06-01
35 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 138 Oahu BISH 1908-08-17
36 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details On exposed crest Preserved_Specimen Cowan, R.S. 985 Oahu BISH 1948-04-25
37 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Uluhe covered slope with numerous ohia stumps; no canopy Preserved_Specimen Takeuchi, W.N. 2790 Oahu BISH 1986-08-30
38 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Cowan, R.S. 250 Oahu BISH 1946-10-20
39 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details bog Preserved_Specimen Wright, M.E. 2 Oahu BISH 2005-06-26
40 Metrosideros rugosa Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen MacDaniels, L.H. 180 Oahu BISH 1927-01-23