Metrosideros polymorpha var. dieteri

J.W.Dawson & Stemmerm. (1989)

This name is accepted

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

‘ōhi‘a, ‘ōhi‘a lehua, lehua

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Description

Key Characters: Trees; Leaves glabrous, inflorescence whooly (tomentose); Blades broadly obovate to oblong, 4-6 cm long, 3-4 cm wide; 6-10 mm long.

Growth Form: Small trees to 7 m tall,

Stems: Bark fissured, flaky, branchlets obscurely 4-angled, vegetative buds unusually large, obovoid, 2-3 cm long, 2 cm wide, scales red, broadly ovate to almost orbicular, sometimes emarginate, fimbriate, 1.5-2.5 cm long, 1-1.5 cm wide.

Roots:

Leaves: Leaves simple. Opposite. Blade broadly obovate to oblong, 4-6 cm long, 3-4 cm wide. Apexbroadly rounded. Base cuneate to cordate. Upper surfaces glabrous; lower surfaces glabrous. Margins entire and flat. Lowermost 2-3 pairs of secondary veins raised and prominent, radiating from the base of the lamina. Petioles 6-10 mm long, 2-3 mm wide. Stipules vestigial or absent.

Flowers: Flowers in inflorescences inflorescences of 3-4 pairs of cymules with a dense, woolly, white to pale gray pubescence on all external parts, peduncles 5-18 mm long, 2-3 mm wide; bracts ovate to almost orbicular, 6-10 mm long, 4-6 mm wide. Flowers red, bisexual (perfect), actinomorphic; pedicels 2-3 mm long, 2 mm wide; hypanthium 6-7 mm high, 7-8 mm wide. Sepals triangular, acute, 3.5-4 mm high, 2.5-3 mm wide. Petals more or less orbicular, 3.5-5 mm long, 3-4.5 mm wide. Stamens 20-25 mm long. Ovary nearly superior; style 25-30 mm long.

Fruit: Fruiting hypanthium pubescent; 5.5-6 mm long; 6.5-7 mm wide; capsules only slightly exserted.

Ploidy:

Habitat:

Elevation Range: 700-1300 m

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Bishop Mus. Occas. Pap. 29: 108 (1989)

Other References

Wagner et al. 1990:967 (K)

Wagner, W.L., Herbst, D.R., & Sohmer, S.H. (1989). Contributions to the flora of Hawaii. II. Begoniaceae-Violaceae and the Monocotyledons. Bernice P. Bishop Museum Occasional Papers, 29, 88-130.

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Dawson, J.W. Kauai BISH 1983-06-04
2 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Dawson, J.W. Kauai BISH 1983-06-04
3 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1916-10-01
4 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros polymorpha montane wet forest with Metrosideros polymorpha var. glaberrima, Cheirodendron spp., Dicranopteris linearis, Diplopterygium pinnatum, Hedychium gardnerianum, Spzygium sandwicensis, Smilax melastomifolia, Luzula hawaiiensis. Preserved_Specimen Large to small tree about 13 feet tall. Walsh, S. 666 Kauai BISH 2019-01-03
5 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH
6 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1916-10-01
7 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris lowland wet shrubland with small pockets of mixed wet forest below ridgeline with Broussaisia arguta, Melicope feddei, Psychotria mariniana & P. wawrae, Kadua affinis, Antidesma platyphylla, Alyxia stellata, Syzygium sandwicensis, Dubautia laxa Preserved_Specimen tree, 5 m tall, with fruit, common with M. p. glaberrima Wood, K.R. 15255 Kauai BISH 2012-09-21
8 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Pihea Wet forest Cheidrondron spp., Dicranopteris linearis, Sadleria sp. Preserved_Specimen Tree 5 meters high. Rust like spots present on leaves. Wolkis, D. 1200 Kauai BISH 2019-01-14
9 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros polymorpha montane wet forest with Metrosideros polymorpha var. glaberrima, Cheirodendron spp., Dicranopteris linearis, Diplopterygium pinnatum, Hedychium gardnerianum, Spzygium sandwicensis, Smilax melastomifolia, Luzula hawaiiensis. Preserved_Specimen Tree about 25 feet tall. Walsh, S. 665 Kauai BISH 2019-01-03
10 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details side gulch after second stream crossing, *250 sq m plot Preserved_Specimen 12 m canopy height, 60% crown cover 40% Metrosideros-20% Cheirodendron, understory trees 70% cover with Hedyotis terminalis, Elaeocarpus bifidus, Dubautia laevigata, Melicope anisata, 7% shrubs of Che. Tree, 6 m tall, trunk brown with peeling bark, leaves dark green, young leaves pubescent with white hairs, cymules pubescent white, common Wood, K.R. 12944 Kauai BISH 2008-04-24
11 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed wet forest. W/Cheirodendron, Dodonaea viscosa, Perrottetia sandwicensis, Dicranopteris linearis, Scaevola procerta, Leptecophylla tameiameiae, Sadleria pallida, S. cyatheoides, S. souleyetiana Preserved_Specimen tree, 4 m tall, bark brown-gray, rough fissured Wood, K.R. 14667 Kauai BISH 2011-05-13
12 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen This was the only tree seen flowering on this date. Young leaves and inflorescence densely gray and wooly. Hobdy, R.W. 3335 Kauai BISH 1991-06-18
13 Metrosideros polymorpha var. dieteri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen large buds Stemmermann, R.L. 6736 Kauai BISH 1981-03-16