Metrosideros waialealae

(Rock) Rock (1917)

This name is accepted

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

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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, 1–3 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, 3–4 mm long, 1–3 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; ovules numerous, placentation axile, peltate, anatropous; style 2–3 cm long, simple, terminal; stigma small.

Fruit: Capsules enclosed by hypanthium; exserted.

Ploidy: 2n = 22

Habitat: Ridges at higher elevations.

Elevation Range: 600–1,300 m.

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
Molokai Endemic
Lana'i Endemic
Maui Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Board Agric. For., Bull. 4: 43 (1917)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN heller, a.a. BRIT 1895-08-24
2 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN V. J. Krajina 620611078 Molokai PTBG 6/11/1962
3 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Vladimir J. Krajina, Charles Lamoureux 620612066 UBC 6/12/1962
4 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN k. r. wood, g. hughes, m. wysong & j. espaniola 307 Oahu US 3/29/2005
5 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information On wind swept ridge PRESERVED_SPECIMEN k. r. wood & s. p. perlman 4276 Kauai US 5/12/1995
6 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Mixed mesic forest PRESERVED_SPECIMEN Wood, K. R.; Hughes, G.; Wysong, M.; Espaniola, J. 307 Molokai US 3/29/2005
7 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information On wind swept ridge PRESERVED_SPECIMEN Wood, K. R.; Perlman, S. P. 4276 Kauai US 5/12/1995
8 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information On steep slopes in dry shrubland. PRESERVED_SPECIMEN Hank Oppenheimer H30608 Maui PTBG 3/11/2006
9 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information open shrub/herbland, sparse tree cover; Metrosideros polymorpha, Dicranopteris linearis, Cibotium glaucum, Sadleria pallida, Hedyotis terminalis, Psychotria mariniana, Antidesma platyphyllum, Bobea brevipes, Xylosma hawaiiense, Cheirodendron fauriei, Melicope feddei, Tetraplasandra oahuensis; wind swept ridge PRESERVED_SPECIMEN Wood, K.R. 11414 Kauai BISH 8/4/2005
10 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Disturbed Mesic Metrosideros - Ardisia Forest W/ Metrosideros, Dicranopteris, Nephrolepis, Ardisia, Cinnamomum, Cyanea angustifolia, Clermontia kakeana, Wikstroemia oahuensis, Psilotum nudum, Carex wahuensis. PRESERVED_SPECIMEN Tangalin, N. 3489 Maui BISH 4/12/2013
11 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN alwyn h. gentry|rosa ortiz gentry 78042 Oahu F 8/8/1992
12 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Almost undisturbed low elevation rain forest. Predominantly Metrosideros, Antidesma, Cibotium, and Dicranopteris. PRESERVED_SPECIMEN Flynn, T. 2667 Kauai BISH 12/10/1987
13 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros montane wet mixed community with sedges, grasses, and bryophytes. Epiphytes are common in shrub layer. Associated plants: Cheirodendron, Eurya, Cyrtandra, Dubautia, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Psychotria, Bidens, Cyanea, Anoectochilus, and numerous pteridophytes. PRESERVED_SPECIMEN wood, k.r. doyle, m. collector number: 0163 Kauai BISH 11/8/1988
14 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Ridges of shrbland-fernland dissected by small drainages and patches of forest with Metrosideros ca 60% with 20% Cheirodendron interspersed with species of Psychotria, Broussaisia, Polyscias, Kadua, Melicope, Perrottetia, Machaerina, Vaccinium, Dubautia, ferns of Dicranopteris, S__ PRESERVED_SPECIMEN Wood, K.R. 17795 Kauai BISH 1/29/2018
15 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Beach drift PRESERVED_SPECIMEN heller, a.a. Lanai BISH 1895-08-24
16 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Almost undisturbed low elevation rain forest. Predominantly Metrosideros, Antidesma, Cibotium, and Dicranopteris. PRESERVED_SPECIMEN flynn, t. lorence, d.h.; wood, k.r.; wichman, c. collector number: 2667 Kauai BISH 12/10/1987
17 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros montane wet mixed community with sedges, grasses, and bryophytes. Epiphytes are common in shrub layer. Associated plants: Cheirodendron, Eurya, Cyrtandra, Dubautia, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Psychotria, Bidens, Cyanea, Anoectochilus, and numerous pteridophytes. PRESERVED_SPECIMEN Wood, K.R. 163 Kauai BISH 11/8/1988
18 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Sloping bogs with adjacent Metrosideros-Cheirodendron montane wet forest with small side streams and wind swept slopes w/Rhynchospora rugosa lavarum, Racomitrium, Oreobolus, Viola wailenalenae, Myrsine helleri, Lobelia villosa, L. hypoleuca, Sadleria pallida, Machaerina angustifolia, Gahnia beecheyi, Gahnia vitiensis PRESERVED_SPECIMEN Wood, K.R. 16013 Kauai BISH 7/30/2014
19 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information sloping bogs with adjacent Metrosideros-Cheirodendron montane wet forest with small side streams and wind swept slopes PRESERVED_SPECIMEN K. R. Wood 16013 Kauai PTBG 7/30/2014
20 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information open shrub/herbland, sparse tree cover; Metrosideros polymorpha, Dicranopteris linearis, Cibotium glaucum, Sadleria pallida, Hedyotis terminalis, Psychotria mariniana, Antidesma platyphyllum, Bobea brevipes, Xylosma hawaiiense, Cheirodendron fauriei, Melicope feddei, Tetraplasandra oahuensis; wind swept ridge PRESERVED_SPECIMEN wood, k.r. rice, r.; boynton, d.; query, m. collector number: 11414 Kauai BISH 8/4/2005
21 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Jennifer Ramp 46 KHD 3/16/2005
22 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Heller, A.A. MNHN 1895-08-24
23 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris-montane mesic to wet forest. PRESERVED_SPECIMEN K. R. Wood 14370 Kauai PTBG 11/17/2010
24 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros Bog system w/ windswept ridges and drainages carving the gently sloping bogs. PRESERVED_SPECIMEN K. R. Wood 3920 Kauai PTBG 1/13/1995
25 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Montane cloud forest, uluhe ridge, northeast facing slope PRESERVED_SPECIMEN Uma Nagendra UJN046 Kauai PTBG 10/10/2018
26 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Wet forest. PRESERVED_SPECIMEN David H. Lorence 9368 Kauai PTBG 10/20/2004
27 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN K. R. Wood 4276 Kauai PTBG 5/12/1995
28 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris linearis Lowland Windward Wet Forest PRESERVED_SPECIMEN Natalia Tangalin 4012 Kauai PTBG 12/22/2016
29 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Metrosideros polymorpha-Dicranopteris Montane Mesic Forest PRESERVED_SPECIMEN Jesse Adams JWA_22 Kauai PTBG 9/2/2013
30 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN jennifer ramp 46 DBG 3/16/2005
31 Metrosideros waialealae (Rock) Rock Contact Bishop Museum Botany department for locality information Low, wet elfin cloud forest of Metrosideros spp., Cheirodendron, & Pelea spp. trees covered by bryophytes, interspersed with low shrubland. PRESERVED_SPECIMEN David H. Lorence 6030 Kauai PTBG 6/17/1988