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Metrosideros waialealae var. waialealae

This name is accepted

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

‘ōhi‘a, ‘ōhi‘a lehua, lehua

Description

Key Characters:

Growth Form: Shrubs to small trees.

Stems: Bark fissured, flaky, vegetative buds narrow, pointed, with spatulate scales ca. 17 mm long and 9 mm wide.

Roots:

Leaves: Leaves simple. Opposite. Blades ovate to lanceolate or occasionally broadly ovate, 4–6 cm long, 2–3(–4) cm wide. Apex acute, sometimes a little drawn out and twisted. Base cuneate to rounded. Surfaces glabrous. Margins entire. Midrib often red. Petioles 10–20(–30) mm long, 2–3 mm wide, often at right angles or more to the stems, petioles often red. Stipules vestigial or absent.

Flowers: Flowers in inflorescences of 4–6 pairs of cymules, glabrous or appressed short–pubescent, peduncles ca. 13 mm long and 1.5 mm wide, pedicels ca. 4 mm long and 1 mm wide, bracts ovate or lanceolate, 4 mm long, 3 mm wide, caducous. Flowers bisexual (perfect), actinomorphic. Hypanthium well–developed above ovary, 3–4 mm high, 3.5–5 mm wide; fruiting hypanthium 4–6 mm long, 5–8 mm wide, with prominent veins, glabrous or glabrate. Sepals distinct, triangular, 1.5–2 mm long, 2–2.5 mm wide, imbricate. Petals distinct, obovate, 3–5 mm long, 2–3 mm wide, imbricate. Stamens numerous, 1.5–2 cm long, distinct; filaments distinct; anthers dithecal. Ovary nearly superior. Placentas axile, peltate; ovules numerous, anatropous; style 2–3 cm long, simple; stigma small.

Fruit: Capsules enclosed by hypanthium; exserted.

Ploidy: 2n = 22

Habitat: Ridges at higher elevations.

Elevation Range: 600–1,300 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Other References

Wagner et al. 1990:970 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details 95% open shrubland/herbland with sparse tree cover of Metrosideros polymorpha w/ Dicranopteris linearis, Machaerina angustifolia, M. mariscoides, Sida fallax, Cibotium glaucum, Sadleria pallida, Kadua terminalis, K. fluviatilis, Psychotria mariniana, Antidesma platyphyllum var. Occasional with M. polymorpha var. glaberrima & M. p. var. dieteri. Preserved_Specimen Tree, 1 m tall, stunted in Dicranopteris, in early flower, stamens red Wood, K.R. 18454 Kauai BISH 2020-06-23
2 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros and Cheirodendron wet forest w. Metrosideros polymorpha var. glaberrima, M. polymorpha var. dieteri, Cheirodendron fauriei, Syzygium sandwicensis, Antidesma platyphylla, Psychotria spp., Polyscias sp., Clidemia hirta Preserved_Specimen Tree about 15ft tall, petioles pink; flowers (stamens) red Walsh, S. 654 Kauai BISH 2018-11-15
3 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Windswept clay with plantagos, Keysseria, etc. Preserved_Specimen Small bush 10 cm. high. Kores, P.J. 121 Kauai BISH 1979-09-02
4 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Syzygium, Cheirodendron Preserved_Specimen 3 m tree, crown dense, petiles reddish or yellow; petals green, stamens and styles red Lorence, D.H. 5580 Kauai BISH 1987-09-30
5 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Melicope, Ilex, Syzygium, Pritchardia, Dicranopteris linearis, Machaerina, Gahnia, Freycinetia Preserved_Specimen 1.7 m tree, shrubby; expanding vegetative buds pointed, petioles reddish; ripe fruit brown, seeds pale brown Lorence, D.H. 6707 Kauai BISH 1991-02-28
6 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Open boggy area of low canopy Metrosideros spp. Montane wet forest with Metrosideros polymorpha var. glaberrima, M. polymorpha var. dieteri, Machaerina angustifolia, Dubautia spp., Cheirodendron spp., Sadleria sp., Broussaisia arguta, Dicranopteris linearis, Nertera gr___ Preserved_Specimen Small tree about 7 feet tall. Stamens red. Petioles pinkish-purple. Flower buds with dense, white hairs. Walsh, S. 672 Kauai BISH 2019-02-05
7 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris-montane mesic to wet forest. W/ Broussaisia arguta, Kadua affinis, Melicope spp, Psychotria mariniana, Coprosma waimeae, rich fern understory with Asplenium insiticeum, A. polydon, Athyrium microphyllum, Diplazium sandwichianum Preserved_Specimen tree, 5 m tall, petioles red, vegetative, uncommon Wood, K.R. 14370 Kauai BISH 2010-11-17
8 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Low windswept wet shrubland with Metrosideros, Antidesma, Dicranopteris, Diplopterygium, Syzygium, Cheirodendron, invaded by Rubus rosifolius, Paederia, & Heliocarpus. Preserved_Specimen Stunted tree 2.5 m, buds obtuse, young fruits green. Lorence, D.H. 7226 Kauai BISH 1992-07-20
9 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris lowland wet ridge, 90% open forest of Metrosiderso polymorpha glaberrima w/ scattered individuals of Antidesma platyphylla, Syzygium sandwicensis, Myrsine lessertiana, Ilex anomala, Bobea elatior, Scaevola procera, Psy Preserved_Specimen Tree, 5 m tall, branches weeping, bark corky, stamens red, occasional. Wood, K.R. 17494 Kauai BISH 2017-08-02
10 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Low, wet elfin cloud forest, of Metrosideros sp., Preserved_Specimen Large shrub 2.5 m tall young leaves bronze colored, fruits green, common locally with small leaved Metrosideros polymorpha. Lorence, D.H. 6030 Kauai BISH 1988-06-17
11 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5083 Kauai BISH 1909-09-24
12 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen small tree Stone, B.C. 1630 Kauai BISH 1956-12-31
13 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Open boggy area of low canopy Metrosideros spp. Montane wet forest with Metrosideros polymorpha var. glaberrima, M. polymorpha var. dieteri, Melicope clusiifolia, Cheirodendron spp., Macherina angustifolia, Vaqcinium spp. Preserved_Specimen Tree about 12 feet tall. Stamens red. Petroles reddish-purple. Walsh, S. 685 Kauai BISH 2019-02-06
14 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen flower red Wagner, W.L. 6287 Kauai BISH 1989-11-21
15 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 4998 Kauai BISH 1983-08-27
16 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen 5' shrub; leaves dark green above, lighter below; young branchlets, petioles, margins and lower half of upper side of mid-rib wine red; calyx light green; filaments red, anthers black van Royen, P. 11732 Kauai BISH 1977-09-03
17 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron montane wet forest, bogs and riparian habitats w/ Broussaisia arguta, Dubautia paleata, Labordia waialealae, L. pumila, Polyscias waialealae, Vaccinium calycinum, Pipturus ruber, Deschampsia nubigena, Machaerina angustifolia, Melicope clusiifolia, Preserved_Specimen Tree, 1.75 m tall, in bogs, in flower and some fruit, common. Wood, K.R. 17926 Kauai BISH 2018-08-15
18 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5083 Kauai BISH 1909-09-24
19 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 12781 Kauai BISH 1916-10-01
20 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5083 Kauai BISH 1909-09-24
21 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5083 Kauai BISH 1909-09-24
22 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5083 Kauai BISH 1909-09-24
23 Metrosideros waialealae var. waialealae Locality redacted. Contact Bishop Museum Botany Department for details Ohia (Metrosideros) Lowland Wet Forest, adjacent to Ohia/Kuolohia/Oreobolus (Metrosideros polymorpha/Rhynchospora chinensis subsp. Spiciformis/Oreobolus furcatus) Mixed Bog Machaerina angustifolia, Dicranopteris linearis, Metrosideros polymorpha var. dleteri, M. polymorpha var. microphylla, Kadua affinis, Dubautia paleata, Dubautia laxa subsp. Hirsuta, Melicope waialeala Preserved_Specimen Small tree, 2 meters tall, on a gentle northeast slope in full sun just outside the North Bog fence, immature and mature fruit capsules present. I suspect some potential hybirdization in this plant with M. polymorpha var. dieteri, particularly the pubescence on new growth, and the subtle palmate-like venation pattern on abaxia Williams, A.M. 807 Kauai BISH 2023-08-02
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