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Lepturus repens

(G.Forst.) R.Br. (1810)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Lepturus

lepturus

Description

Key Characters:

Growth Form: Perennial herbs with branched stolons.

Stems: Culms tufted, erect or spreading, slender, 1-6 dm tall, branching.

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate. Blades linear to linear-lanceolate, up to 15 cm long, 2-10 mm wide. Apex acute. Surfaces usually glaucous, stiff, flat or involute, glabrous or pilose toward base. Margins scabrous. Veins parallel. Sheaths glabrous, margins antrorsely scabrous, usually shorter than internodes; ligule a dense fringe of hairs 0.5-0.8 mm long. Stipules absent.

Flowers: Spikes straight or slightly curved, 3-20 cm long, glaucous, glabrous, with internodes 3-7.5 mm long; spikelets 1-flowered, (8-)10-14 (-22) mm long, the terminal one up to 28 mm long, rachilla prolonged behind palea; second glume narrowly lanceolate to lanceolate or subulate, closely 8-12-nerved, smooth or minutely scaberulous, apex acute or acuminate, usually tipped with a rigid awn. Lemmas coriaceous, ovate or ovate-oblong, 4-5.5 mm long, minutely pubescent at base and scaberulous on upper 1/2, apex obtuse, pubescent; palea coriaceous, lanceolate to narrowly ovoid, ca. 5 mm long, 2-nerved, glabrous, apex acute, pubescent.

Fruit: Caryopsis pale brown; oblong to obovate; ca. 2 mm long; dorsally compressed.

Ploidy: 2n = 42; 54

Habitat: Occurring on coastal sands above the high-water mark.

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Mokupāpapa (Kure atoll) Indigenous
Ni'ihau(Incl. Lehua) Indigenous
Kuaihelani (Midway Atoll) Indigenous
Manawai (Pearl & Hermes Atoll) Indigenous
Kapou(Lisianski Island) Indigenous
Kamole(Laysan Island) Indigenous
Lalo (French Frigate Shoals) Indigenous

Dispersal Agents


Pollinators

Bibliography

Name Published In: Prodr. Fl. Nov. Holland.: 207 (1810)

Other References

Wagner et al. 1990:1560 (Ku, Mi, PH, Li, La, FF); Wood & LeGrande 2006:26 (Le? [observed but no spm., identification dubious])

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Lepturus repens [Hawaiian Islands; U.S.A.; North-West Hawaiian Islands; Pearl & Hermes Atoll; Hawaii; Honolulu Outer edge of vegetation, just above beaches. Preserved_Specimen Caum, E.L. 46 Pearl & Hermes Atoll BISH 1923-04-27
2 Lepturus repens North Is. Common at the top of the beach and in a bend around the periphery of the vegetated parts especially on the E, W, and N sides of the island. Preserved_Specimen Conant, S. 369 Pearl & Hermes Atoll BISH 1983-08-10
3 Lepturus repens Tern Islet; E end of the island Rooted in sand. Plants of this species were scattered over most of the islet. Preserved_Specimen Plants in flr. and fr. Long, C.R. 2467 French Frigate Shoals BISH 1964-09-27
4 Lepturus repens Pearl & Hermes Reef In coarse coral sand along the immediate shore, with Tribulus and Portulaca. Preserved_Specimen Carlquist, S. 2347 Pearl & Hermes Atoll BISH 1966-09-25
5 Lepturus repens [Hawaiian Islands; U.S.A.; North-West Hawaiian Islands; Pearl & Hermes Atoll; Hawaii; Honolulu Outer edge of vegetation, just above beaches. Preserved_Specimen Prostrate to semi-erect; to 1/3 m in height. Caum, E.L. 46 Pearl & Hermes Atoll BISH 1923-04-27
6 Lepturus repens Pearl & Hermes Reef In coarse coral sand along the immediate shore, with Tribulus and Portulaca. Preserved_Specimen Carlquist, S. 2347 Pearl & Hermes Atoll BISH 1966-09-25
7 Lepturus repens South North Is. This grass was rooted in the sand on the W end of the island. The island is really a sand bar with a few bird introduced plant species. Preserved_Specimen Long, C.R. 2293 Pearl & Hermes Atoll BISH 1964-09-17
8 Lepturus repens Western part of island. (Southeast Is.) Common at the edges of the vegetation. Preserved_Specimen Herbst, D.R. 6482 Pearl & Hermes Atoll BISH 1980-07-07
9 Lepturus repens Southeast Island Growing at top of beach around island and extending into interior parts. On beach, growing with Tribulus and Boerhavia. Preserved_Specimen On beach prostrate; inland growing erect. Young, A.L. 110 Pearl & Hermes Atoll BISH 1964-08-18
10 Lepturus repens On the W side of the islands. (Southeast Is.) Growing in sandy soil, away from the beach per se. Preserved_Specimen 0.15 m tall. Conant, S. 141 Pearl & Hermes Atoll BISH 1983-07-21
11 Lepturus repens Southeast Island Everywhere except the isthmus and the beaches. Preserved_Specimen Caum, E.L. 39 Pearl & Hermes Atoll BISH 1923-04-26
12 Lepturus repens [Hawaiian Islands; U.S.A.; North-West Hawaiian Islands; Kure Atoll; Hawaii; Central open plain. Central open plain. Preserved_Specimen Clay, H.F. Kure Atoll BISH 1959-10-03
13 Lepturus repens Ocean Is Open space in the Scaevola scrub. Preserved_Specimen Creeping grass. Caum, E.L. 19 French Frigate Shoals BISH 1923-04-18
14 Lepturus repens E Central part of the island Collected at the edge of the vegetation. Preserved_Specimen Herbst, D.R. 6498 Lisianski Island BISH 1980-07-11
15 Lepturus repens southeast island Common in sand on both the shore and on the interior. Preserved_Specimen Long, C.R. 2279 Pearl & Hermes Atoll BISH 1964-09-16
16 Lepturus repens Southeast Island Everywhere except the isthmus and the beaches. Preserved_Specimen Caum, E.L. 39 Pearl & Hermes Atoll BISH 1923-04-26
17 Lepturus repens Southeast Island Collected from sand on the W portion of the island growing near the edge of the small cut which divides the island. Preserved_Specimen Long, C.R. 2270 Pearl & Hermes Atoll BISH 1964-09-16
18 Lepturus repens Sandy, dry area above high tide mark Preserved_Specimen Al-Bayer, S. Kure Atoll BISH 2018-09-20
19 Lepturus repens S, W, and N shores Sandy soil very near high water mark. Preserved_Specimen Bunch grass, height 0.1-0.2 m. Conant, S. 183 Lisianski Island BISH 1983-08-06
20 Lepturus repens Tern Islet Few patches S Central part of island. Preserved_Specimen Herbst, D.R. 6236 French Frigate Shoals BISH 1978-09-11
21 Lepturus repens near beach Preserved_Specimen 30+ cm Caum, E.L. 88 French Frigate Shoals BISH 1923-06-22
22 Lepturus repens Tern Islet; North side of Island Preserved_Specimen Abundant. Herbst, D.R. 6224 French Frigate Shoals BISH 1978-09-11
23 Lepturus repens W side of island Preserved_Specimen Several small patches. Herbst, D.R. 9054 Laysan Island BISH 1988-06-18
24 Lepturus repens Tern Islet; S Central part of the island Preserved_Specimen Grass; Herbst, D.R. 6236 French Frigate Shoals BISH 1978-09-11
25 Lepturus repens near beach Preserved_Specimen 30+ cm Caum, E.L. 88 French Frigate Shoals BISH 1923-06-22
26 Lepturus repens Tern Islet Preserved_Specimen Herbst, D.R. 1220 French Frigate Shoals BISH 1968-08-31
27 Lepturus repens Grass Is. Preserved_Specimen Herbst, D.R. 6457 Pearl & Hermes Atoll BISH 1980-07-05
28 Lepturus repens Tern Islet Preserved_Specimen Svihla, A. French Frigate Shoals BISH 1956-02-11
29 Lepturus repens Tern Islet Preserved_Specimen Lamoureux, C.H. 1668 French Frigate Shoals BISH 1961-09-02
30 Lepturus repens Tern Islet Preserved_Specimen Rainwater, H.I. French Frigate Shoals BISH 1953-10-26
31 Lepturus repens Laysan Preserved_Specimen Schauinsland, H.H. Laysan Island BISH 1896-07-28
32 Lepturus repens Seal Island Preserved_Specimen Walker, R. Pearl & Hermes Atoll BISH 1964-03-12
33 Lepturus repens along N shore, above high water Preserved_Specimen Bryan, W.A. Laysan Island BISH 1903-04-01
34 Lepturus repens Tern Islet Preserved_Specimen Lamoureux, C.H. 1674 French Frigate Shoals BISH 1961-09-02
35 Lepturus repens Whale - Skate Is Preserved_Specimen Long, C.R. 2479 French Frigate Shoals BISH 1964-09-27
36 Lepturus repens unknown Preserved_Specimen Rock, J.F.C. BISH
37 Lepturus repens Seal - Kittery Is. Found primarily at the edge of the vegetation on the S and W sides of the island. Preserved_Specimen Mostly young plants. Herbst, D.R. 6469 Pearl & Hermes Atoll BISH 1980-07-05
38 Lepturus repens East end of island. (Southeast Is.) Collected from sand. Preserved_Specimen Long, C.R. 2277 Pearl & Hermes Atoll BISH 1964-09-16
39 Lepturus repens Tern Islet Abundant, especially along the NE and N Central sides of the island. Preserved_Specimen Herbst, D.R. 6224 French Frigate Shoals BISH 1978-09-11
40 Lepturus repens North Is. With Tribulus, Boerhavia, Solanum, and Lepidium. Growing from beach inland a few meters. Preserved_Specimen Spreading clumps 0.2 m tall Young, A.L. 128 Pearl & Hermes Atoll BISH 1964-08-20
41 Lepturus repens Southeast Island Collected from sand on the W portion of the island growing near the edge of the small cut which divides the island. Preserved_Specimen Long, C.R. 2270 Pearl & Hermes Atoll BISH 1964-09-16
42 Lepturus repens S end of the island. (Southeast Is.) Collected from sand. Preserved_Specimen Long, C.R. 2273 Pearl & Hermes Atoll BISH 1964-09-16
43 Lepturus repens Tern Islet Common grass. Preserved_Specimen Herbst, D.R. 1220 French Frigate Shoals BISH 1968-08-31
44 Lepturus repens Green Island Clumps scattered near N end of island on dunes above lagoon beach. Preserved_Specimen Lamoureux, C.H. 2783 Kure Atoll BISH 1964-08-14
45 Lepturus repens Southeast Island Everywhere except the isthmus and the beaches. Preserved_Specimen Prostrate to semi-erect. Caum, E.L. 39 Pearl & Hermes Atoll BISH 1923-04-26
46 Lepturus repens Ocean Is Open space in the Scaevola scrub. Preserved_Specimen Creeping grass. Caum, E.L. 19 French Frigate Shoals BISH 1923-04-18
47 Lepturus repens Green Island. Near north end of island Clumps scattered on dunes above lagoon beach. Preserved_Specimen Lamoureux, C.H. 2783 Kure Atoll BISH 1964-08-14
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