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Luzula hawaiiensis

Buchenau (1879)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Juncaceae Genus: Luzula

wood rush

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Description

Key Characters:

Growth Form: Strongly to weakly cespitose perennial herbs.

Stems: Stems erect, inconspicuously striate, 0.8–70 dm long.

Roots: Fibrous root system.

Leaves: Leaves simple. Primarily basal, 1–2(3) per stem. Blades linear, 5–30 cm long, 1–10 mm wide. Apex mucronate. Margins densely pubescent, especially when young, often glabrate with age. Petioles absent. Stipules absent.

Flowers: Flowers (2)3–8(–10) in subglobose glomerules subtended by papery or scarious bracts, forming cymose, terminal inflorescences, sometimes with a smaller, lateral inflorescence at the next lower node in the axil of a single foliar bract 4–15 cm long, bracts subtending inflorescence 1–4, foliaceous, 2–10 cm long, shorter than, equaling, or slightly longer than inflorescence, each flower subtended by 2–3(4) acuminate bracteoles with laciniate to subentire margins. Flowers bisexual (perfect). Perianth parts pale yellowish brown to dark brown, linear, subulate, margins narrow, hyaline, outer ones 2.5–4.5 mm long, inner ones 2–3.5 mm long; stamens shorter than perianth. Stamens 6; anthers equaling or longer than filaments. Pollen grains remaining in tetrads, surrounded by a common exine. Ovary superior, sessile, 1-celled, placentation basal; ovules 3, anatropous; styles about as long as ovary.

Fruit: Capsules pale brown to reddish brown; glossy; trigonous; oblong or ovoid; shorter than perianth. Seeds red to dark brown; ellipsoid to ovoid; 1–2 mm long; surfaces rugulose; often with white micropylar caruncle and conical protuberance at apex.

Ploidy: 2n = 14*; 24* (H); 16* (O); 38*; 42* (K)

Habitat: Occurring in open or rocky sites; slopes; cliffs; and ridges; and open areas in mesic forest and shrubland; also in subalpine forest; shrubland; and grassland.

Elevation Range: 730–2,560 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic
Molokai Endemic
Lana'i Endemic
Maui Endemic
Hawai'i Endemic

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Krit. Verz. Juncac.: 85 (1879)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Luzula hawaiiensis Buchenau Na Pali-Kona Forest Reserve, Makaha Valley. Ca. 1 mile down Makaha Ridge road from Kokio Keo Keo picnic area. Mesic forest. PRESERVED_SPECIMEN Tim Flynn 7673 Kauai PTBG 9/4/2013
2 Luzula hawaiiensis Buchenau Alakai Wilderness Area, along Alakai Swamp Trail approximately 0.25 miles West of Kawaikoi Stream crossing. Dense rain forest with Metrosideros dominant. PRESERVED_SPECIMEN David H. Lorence 6358 Kauai PTBG 5/11/1989
3 Luzula hawaiiensis Buchenau Waianae Mts, Huliwai-Ekahanui Rdg divide, on N side of Rdg nr summit crest, below steep rise to summit crest which runs Puu Kaua to Puu Kanehoa. On east side of peaks. Cloud forest. PRESERVED_SPECIMEN Steve Perlman 5242 Oahu PTBG 2/22/1987
4 Luzula hawaiiensis Buchenau West Maui NAR Survey, Honokowai section, along Puu Kukui trail, transect 9, near rain gauge at Nakalalu. In Metrosideros mixed montane wet forest. PRESERVED_SPECIMEN Steve Perlman 10590 Maui PTBG 4/12/1988
5 Luzula hawaiiensis Buchenau Kohala Mts.; above Honokana nui Stream; east of USGS trail. Metrosideros-Cheirodendron Montane Wet Forest & Metrosideros-Machaerina Montane Bogs. PRESERVED_SPECIMEN K. R. Wood 4820 Hawaii PTBG 11/29/1995
6 Luzula hawaiiensis Buchenau About 10 min. along Pihea Trail. PRESERVED_SPECIMEN J. Arakawa s.n. Hawaii PTBG 7/3/1976
7 Luzula hawaiiensis Buchenau E. Maui, Kula Forest Reserve, along Skyline Road, south of Puu Keokea. Sophora chrysophylla sub-alpine shrub. PRESERVED_SPECIMEN K. R. Wood 13702 Maui PTBG 4/22/2009
8 Luzula hawaiiensis Buchenau Puu o Kila Trail, Kokee. About 0.75 miles down trail, 2 feet off side of trail, on the right. Mesic forest. On muddy slope. In full shade. PRESERVED_SPECIMEN Seana Walsh SKW70 Kauai PTBG 6/16/2015
9 Luzula hawaiiensis Buchenau Waimea Canyon State Park. Puu Ka Pele Forest Reserve on western side of Waimea Canyon, just east of Hwy 550. Steep slopes and open grassy areas, with remnants of dry mixed mesophytic forest. PRESERVED_SPECIMEN Tim Flynn 2734 Kauai PTBG 2/2/1988
10 Luzula hawaiiensis Buchenau Waianae mts., Kamaileunu. PRESERVED_SPECIMEN K. R. Wood 8493 Oahu PTBG 5/31/2000
11 Luzula hawaiiensis Buchenau volcanoes national park. mauna loa trail. between 7000-8000 ft. markers. Swamp PRESERVED_SPECIMEN thorne, k. 6761 Kauai US 7/28/1989
12 Luzula hawaiiensis Buchenau East Maui, Ainahou area of Koolau Gap in Metrosideros wet forest PRESERVED_SPECIMEN Wood, K. R.; Perlman, S. P.; Lau, J. 6609 Maui US 8/13/1997
13 Luzula hawaiiensis Buchenau camp 10 rd., just past waineke swamp PRESERVED_SPECIMEN w. l. wagner, w. n. takeuchi & c. imada 6043 Kauai US 4/9/1988
14 Luzula hawaiiensis Buchenau eastern outer slope of haleakala, 2 mi nw of paliku cabins PRESERVED_SPECIMEN henrickson, j.s. vogl, r. collector number: 3562 Maui US 6/19/1969
15 Luzula hawaiiensis Buchenau East Maui, Ainahou area of Koolau Gap in Metrosideros wet forest PRESERVED_SPECIMEN K. R. Wood, S. P. Perlman & J. Lau 6609 Maui US 8/13/1997
16 Luzula hawaiiensis Buchenau kokee state park, kaluapuhi trail PRESERVED_SPECIMEN w. l. wagner, s. w. miller, b. peterson, g. peterson & t. w. flynn 5123 Kauai US 12/20/1983
17 Luzula hawaiiensis Buchenau W Maui, Hanaula, Wailuku Dist PRESERVED_SPECIMEN Wood, K. R.; Hobdy, R.; Perlman, S. P. 2742 Maui US 9/14/1993
18 Luzula hawaiiensis Buchenau Kokee State Park, Kaluapuhi Trail PRESERVED_SPECIMEN Wagner, W. L.; Miller, S. W.; Peterson, B.; Peterson, G.; Flynn, T. W. 5123 Kauai US 12/20/1983
19 Luzula hawaiiensis Buchenau Camp 10 Rd., just past Waineke Swamp PRESERVED_SPECIMEN Wagner, W. L.; Takeuchi, W. N.; Imada, C. T. 6043 Kauai US 4/9/1988
20 Luzula hawaiiensis Buchenau West Maui, Lahaina District, Lihau Natural Area Reserve, SE side of planeze near Olowalu Valley locally grown on open, sunny ridgetop Metrosideros, Dodonaea, Leptecophylla, Coprosma, Myrsine, Dicranopteris, Polypodium, Sphenomeris, Trisetum, Dianella, Carex, Andropogon, Epidendron, Conyza, Senecio. PRESERVED_SPECIMEN Oppenheimer, H.L. 31307 Maui BISH 3/13/2013
21 Luzula hawaiiensis Buchenau Saddle Road (Highway 200), kipuka across road from Kipuka Ainahou, at 28.8 miles SSE of junction with Highway 190. PRESERVED_SPECIMEN David H. Lorence 5515 Hawaii PTBG 8/7/1987
22 Luzula hawaiiensis Buchenau end of camp 10 road, on plateau above parking area, just below circle bog, on ridge down to waikoale stream Metrosideros-Dicranopteris-Cheirodendron ?Wet Montane riparian zone. W/ Psychotria, Syzygium, Leptecophylla, Melicope clusiifolia, Elaeocarpus, Dianella sandwicensis, Scaevola, Broussaisia, Alyxia, Coprosma, Tetraplasandra, Asplenium contiguum, A. normale, Dubautia. PRESERVED_SPECIMEN tangalin, n. wood, k.r. collector number: 2419 Kauai BISH 10/8/2010
23 Luzula hawaiiensis Buchenau below kamoku PRESERVED_SPECIMEN rock, j.f.c. collector number: 6147 Molokai BISH 3/1/1910
24 Luzula hawaiiensis Buchenau puu o kaeha Wet woods PRESERVED_SPECIMEN st.john, h. baker, r.j.; coulter, j.w.; fosberg, f.r.; yuncker, t.g. collector number: 12506 Molokai BISH 12/23/1932
25 Luzula hawaiiensis Buchenau east maui, e hanawi In dense forest, on rocks on a steep slope. PRESERVED_SPECIMEN hobdy, r.w. et al. collector number: 3821 Maui BISH 6/22/1995
26 Luzula hawaiiensis Buchenau kohua ridge. n facing slope Metrosideros-Cheirodendron forest. Closed canopy. Dianella and Ghania in understory PRESERVED_SPECIMEN trauernicht, c. collector number: 458 Kauai BISH 4/17/2008
27 Luzula hawaiiensis Buchenau e. maui, kula forest reserve, along skyline road, s of puu keokea PRESERVED_SPECIMEN wood, k.r. oppenheimer, h. collector number: 13702 Kauai BISH 4/22/2009
28 Luzula hawaiiensis Buchenau drive about 200 meters down hilina pali road from intersection with chain of craters road. plant was about 20 meters west (right side) of road. (plot 1) Metrosideros - native shrub - Andropogon community PRESERVED_SPECIMEN newell, c.l. collector number: 415 Hawaii BISH 8/15/1966
29 Luzula hawaiiensis Buchenau waimea district below kaluahaula ridge, above kawaiiiki valley, below trail about 30ft. and west of the diellia erecta fence. Diverse Mesic Forest Metrosideros - Acacia koa canopy, with Comprosma, Dodonea, and Dubautia, Kadua affinis, in midstory, ground w/ 60% moss, and 20% Dianella, rest Schidea viscosa, Doodia and open soil/leaf litter. PRESERVED_SPECIMEN tangalin, n. kishida, w. collector number: 3102 Kauai BISH 4/13/2012
30 Luzula hawaiiensis Buchenau waiakuilani gulch Metrosideros, Leptecophylla, Lipochaeta rockii, Osteomeles anthyllidifolia, Nestegis sandwicensis, Spermolepis hawaiiensis, Nesoluma polynesicum, Pouteria sandwicensis, Coprosma foliosa, Melinis minutiflora, Anthoxanthum, Ageratina riparia PRESERVED_SPECIMEN perlman, s.p. oppenheimer, h. collector number: 20428 Molokai BISH 6/7/2007
31 Luzula hawaiiensis Buchenau w maui, lahaina district, lihau PRESERVED_SPECIMEN welton, p. haus, b. collector number: 915 Oahu BISH 7/9/1991
32 Luzula hawaiiensis Buchenau pelekunu valley, tnc preserve survey, transect 10, from pepeopae to kaunuohua, along papaala pali In Metrosideros polymorpha montane wet forest with Athyrium sandwichianum, Cyrtandra, Broussaisia, Cibotium, Clermontia, Cyanea, Eurya, Hedyotis terminalis, Ilex, Melicope, Plantago, Labordia, Stenogyne, Wikstroemia, many ferns PRESERVED_SPECIMEN perlman, s.p. abbott, l.; misaki, e.; hill, b. collector number: 10410 Molokai BISH 3/31/1989
33 Luzula hawaiiensis Buchenau western piinaau headwaters. Subalpine shrubland associated with Metrosideros montane mesic forest and montane wet forest. Dominated by Lycopodium venustulum and Oreobolus furcatus, with Leptecophylla tameiameiae, Vaccinium reticulatum, Sadleria cyatheoides, Coprosma montana, C. ernodioides, Pteridium decompositum, Rubus. PRESERVED_SPECIMEN wood, k.r. oppenheimer, h.; bily, p. collector number: 14252 Maui BISH 6/10/2010
34 Luzula hawaiiensis Buchenau Waimea District. Kuia NAR, Kuia Valley, accessed from Nuololo Trail on N facing slope. Metrosideros-Acacia Mesic Forest W/ Melicope barbigera, Lysimachia, Isodendrion laurifolium, Neraudia kauaiensis, Pipturus, Dodonaea, Boehmeria grandis, Sideroxylon, Poa manni, Carex meyenii, Euphorbia haeleeleana, Xylosma, Streblus PRESERVED_SPECIMEN Tangalin, N. 2080 Kauai BISH 7/1/2009
35 Luzula hawaiiensis Buchenau northeast ridge of puu kanekoa, oahu, territory of hawaii Mossy cliffs at summit PRESERVED_SPECIMEN o. degener 12698 NY 3/31/1940
36 Luzula hawaiiensis Buchenau PRESERVED_SPECIMEN L M Cranwell|O Selling|C Skottsburg AK 7/24/1938
37 Luzula hawaiiensis Buchenau Maui, road to Haleakalae Roadside in disturbed area adjacent to ephemeral creek. PRESERVED_SPECIMEN B.A. Bennett; R.S. Mulder 07-0329 Consortium of Pacific Northwest Herbaria 11/22/2007
38 Luzula hawaiiensis Buchenau along pipe-line trail, olinda, maui. territory of hawaii PRESERVED_SPECIMEN o. degener 10674 NY 7/16/1927
39 Luzula hawaiiensis Buchenau e. maui, kula forest reserve, along skyline road, south of puu keokea. PRESERVED_SPECIMEN k. r. wood 13702 NY 4/22/2009
40 Luzula hawaiiensis Buchenau hill mauka of olinda on way to haleakala PRESERVED_SPECIMEN degener, o. 17584 CM 6/15/1927
41 Luzula hawaiiensis Buchenau mauna kapu, honouliuli-nanakuli divide, waianae mts, PRESERVED_SPECIMEN f. r. fosberg 13790 NY 5/2/1937
42 Luzula hawaiiensis Buchenau Waiakuilani gulch. PRESERVED_SPECIMEN Steve Perlman 20428 Molokai PTBG 6/7/2007
43 Luzula hawaiiensis Buchenau pipe-line trail, olinda, maui. territory of hawaii PRESERVED_SPECIMEN o. degener 17582 NY 7/16/1927
44 Luzula hawaiiensis Buchenau waimea, kauai PRESERVED_SPECIMEN h. mann jr. 171 NY
45 Luzula hawaiiensis Buchenau east maui, ainahou area of koolau gap in metrosideros wet forest Open, grassy median, periodically mown PRESERVED_SPECIMEN k. r. wood, s. p. perlman & j. lau 6609 NY 8/13/1997
46 Luzula hawaiiensis Buchenau W. Maui, slopes of Hale Pohaku so SE rim of Olowalu Valley. NAD 83. In dry shrubland on steep slopes. PRESERVED_SPECIMEN Hank Oppenheimer H30604 Maui PTBG 3/11/2006
47 Luzula hawaiiensis Buchenau W. Maui, Puu Kukui summit. Bogs dominated by Metrosideros-Oreobolus-Rhynchospora adjacent to Metrosideros-Cheirodendron mixed riparian forest w/ undisturbed groundcover of mosses, ferns & herbs. PRESERVED_SPECIMEN K. R. Wood 13157 Maui PTBG 7/9/2008
48 Luzula hawaiiensis Buchenau Along the Kalalau rim trail PRESERVED_SPECIMEN Shyla Kaninaualii Villanueva SV8 Kauai PTBG 1/3/2019
49 Luzula hawaiiensis Buchenau Kawaihae, DHHL Survey Supp. Sta. E, Puu Lapalapa. Ohia-olapa wet forest. PRESERVED_SPECIMEN Steve Perlman 10305 Hawaii PTBG 7/18/1989
50 Luzula hawaiiensis Buchenau Below Kaluahaula Ridge, above Kawaiiiki Valley, below trail about 30 ft. and West of the Diellia erecta fence. Diverse Mesic Forest. PRESERVED_SPECIMEN Natalia Tangalin 3102 Kauai PTBG 4/13/2012
51 Luzula hawaiiensis Buchenau End of Camp 10 Road, on plateau above parking area, just before Circle Bog, on ridge down to Waikoale Stream. Metrosideros-Dicranopteris-Cheirodendron Wet Montane riparian zone. PRESERVED_SPECIMEN Natalia Tangalin 2419 Kauai PTBG 10/8/2010
52 Luzula hawaiiensis Buchenau Kokee. Kumuwela Rd. Single small clump along side of road. PRESERVED_SPECIMEN Tim Flynn 649 Kauai PTBG 11/17/1983
53 Luzula hawaiiensis Buchenau W. Maui, Papalaua gulch, Hanaula area near Ukumehame rim. In Metrosideros - Diospyros forest. PRESERVED_SPECIMEN Steve Perlman 18989 Maui PTBG 5/26/2004
54 Luzula hawaiiensis Buchenau Alakai Swamp Trail, ca. 150 yds. past junction with Pihea Trail. Just below brow of hill. PRESERVED_SPECIMEN Tim Flynn 812 Kauai PTBG 4/17/1984
55 Luzula hawaiiensis Buchenau Kohua ridge. N facing slope. Metrosideros-Cheirodendron forest. Closed canopy. Dianella and Ghania in understory. PRESERVED_SPECIMEN Clay Trauernicht 458 Kauai PTBG 4/17/2008
56 Luzula hawaiiensis Buchenau Pelekunu valley, TNC Preserve survey, transect 10, from Pepeopae to Kaunuohua, along Papaala Pali. In Metrosideros polymorpha montane wet forest. PRESERVED_SPECIMEN Steve Perlman 10410 Molokai PTBG 3/31/1989
57 Luzula hawaiiensis Buchenau Ainahou area of Koolau Gap, east Maui. In Metrosideros wet forest. PRESERVED_SPECIMEN K. R. Wood 6609 Maui PTBG 8/13/1997
58 Luzula hawaiiensis Buchenau Kalalau Valley; base camp 580 m elev. in back of valley. Elev. 750-800 m. Native cliffs and ridges with level stands of Diverse Mesic and Metrosideros-Diospyros-Dicranopteris Forests. PRESERVED_SPECIMEN K. R. Wood 1969 Kauai PTBG 6/11/1992
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