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Poa sandvicensis

(Reichardt) Hitchc. (1922)

This name is accepted

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

Description

Key Characters:

Growth Form: Cespitose perennials.

Stems: Rhizomes short, forming a hardened culm base, culms erect to slightly decumbent, 3-10 dm tall, slightly laterally compressed, glabrous to slightly retrorsely scabrous, solid, nodes numerous, slightly swollen, glabrous, internodes relatively short, 2.5-6 c

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate. Blades 10-20 cm long, up to 6 mm wide. Upper surfaces scabrous; lower surfaces glabrous. Veins parallel. Sheaths striate, keeled, retrorsely scabrous toward base, glabrous toward apex, closed to the mouth or splitting with age; ligule membranous, short, dentate, less than I mm long, completely encircling the culm, with a hard tooth continuous with the ligule Stipules absent.

Flowers: Panicles ovoid, 3-5(-15) cm long, nodes few, branches whorled, slender, spreading to widely reflexed, the lower branches up to l0 cm long; spikelets arising on the distal 1/3 of the branches, 8-13-flowered, 10-15 mm long, long-pedicellate, compressed, usually densely scabrous, rachilla disarticulating between the florets, elongate, florets up to 0.5 mm apart; glumes narrow, linear to lanceolate,2.S-4 mm long, 3-nerved, the nerves scabrous, apex acuminate. Lemmas 4-5 mm long, 5-nerved, with a sparse tuft of cobwebby hairs at base especially on the lower florets, keel scabrous, lower part of lateral nerves scabrous, the intermediate nerves faint, margins hyaline; palea nearly as long as lemma, 2-nerved, the 2 keels scabrous-ciliate, apex acute, bifid.

Fruit: Caryopsis golden brown to reddish brown; obovoid; ca. 0.5 mm long.

Ploidy:

Habitat: Rare in wet and diverse mesic forest; especially on shaded slopes; wet ridges; and ledges.

Elevation Range: 1,060–1,220 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Mem. Bernice Pauahi Bishop Mus. 8: 121 (1922)

Other References

Wagner et al. 1990:1584 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 947 Kauai BISH 1917-07-03
2 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 796 Kauai BISH 1917-07-03
3 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Threats: goats, Rubus, Passiflora mollissima, Psidium guajava. Preserved_Specimen Ca. 30 plants in flower and fruit. Wood, K.R. 2091 Kauai BISH 1992-09-07
4 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros- Acacia montane mesic forest w/ Alphitonia ponderosa, Antidesma platyphylla, Euphorbia atrococca, Claoxylon sandwicensis, Dodonaea viscosa, Myrsine lanaiensis, Dracaena aurea, Ployscias kavaiensis, Planchonella sandwicensis, Bobe Preserved_Specimen Grass, culms erect, dark green, in early flower, ca. 20 in immediate area, mapped. Wood, K.R. 16745 Kauai BISH 2016-02-24
5 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details with Acacia koa, Metrosideros, Elaeocarpus, Antidesma, Dubautia laevigata, Diplazium, Carex, Dianella, Melicope, Alyxia, Hedyotis terminalis, Lobelia yuccoides, Wikstroemia, Cheirodendron, Styphelia, Santalum, Rubus argutus Preserved_Specimen cespitose, culms erect to decumbent 5-15 dm long, sheaths striate, kelled Perlman, S. 17690 Kauai BISH 2001-09-25
6 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 796 Kauai BISH 1917-07-03
7 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Chock, A.K. 1025 Kauai BISH 1953-08-24
8 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details w/ Acacia koa, Metrosideros, Dodonea, Melicope barbigera, Bidens cosmoides, Xylosma hawaiiense, Alsinidendron viscosum, Huperzia serrata, Phytolacca octandra, Psychotria greenwelliae, Melicope ovata Preserved_Specimen base of stem pink. Glumes green w/ white margins Tangalin, N. 410 Kauai BISH 2005-06-28
9 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros- Acacia montane mesic forest with Alphitonia ponderosa, Antidesma platyphylla, Euphorbia atrococca, Claoxylon sandwicensis, Dodonaea viscosa, Mysine lanaiensis, Nestegis sandwicensis, Dracaena aurea, Polyscias kavaiensis, Planch Preserved_Specimen Clumping, culms erect and thicker than P. siphonoglossa which is finer and pendent, hundreds in area. Wood, K.R. 14996 Kauai BISH 2012-05-23
10 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia koa-Metrosideros mesic forest Dodonaea viscosa, Leptocophylla tameiameiae, Dianelle sandwicensis, Chrysodracon aurea, Poa sandwicensis, Dubautia laevigata, Kadua knudsenii, Cibotium, Elaeocarpus bifidus, Cheriodendron, Syzgium sa Preserved_Specimen Upright grass with flowers, 2 ft ht Perlman, S. 23929 Kauai BISH 2014-05-01
11 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details in a Metrosideros forest. In light shade on slight slope. Preserved_Specimen Clumped, erect with somewhat lax inflorescence. Herbst, D.R. 2380 Kauai BISH 1972-04-10
12 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia koa-Metrosideros mesic forest Dodonaea viscosa, Leptecophylkla tameiameiae, Dianella sandwicensis, Pleomele aurea, Poa sandwicensis, Dubautia laevigata, Kadua knudsenii, Cibotium, Elaeocarpus bifidus. Preserved_Specimen Scattered in area with flowers. Perlman, S. 23590 Kauai BISH 2013-06-28
13 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia Montane Mesic Forest with Carex alligata Riparian community. Associates: Neraudia, Urera, Schiedea, Poa sandvicensis, Eragrostis, Claoxylon, Pittosporum, Xylosma crenatum, Panicum nephelophilum, Bidens cosmoides. Collected on steep basalt walls along stream; associated with Lobelia hypoleuca. Preserved_Specimen Wood, K.R. 2536 Kauai BISH 1993-03-19
14 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia, Metrosideros, Psychotria, Styphelia, Lobelia, Athyrium, Dianella, Chamaesyce, Rumex Preserved_Specimen culms pendant, glossy; leaves dark green; florets pale yellow green Flynn, T.W. 6803 Kauai BISH 2001-04-19
15 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Mixed mesophytic forest. Single clump on edge of ridge, shaded northwest exposure. With Acacia, Metrosideros, Tetraplasandra, Planchonella, Coprosma, Psychotria. Preserved_Specimen Flynn, T.W. 2235 Kauai BISH 1987-07-01
16 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros polymorpha mixed mesic forest w/ Dubautia laevigata, Hedyotis terminalis, Cheirodendron trigynum, Dianella sandwicensis, Poa sandwicensis, Bidens cosmoides, Peperomia membranacea Preserved_Specimen common terrestrial grass, culms dark green erect, ca 5000 plants along north facing slopes Wood, K.R. 9017 Kauai BISH 2001-06-28
17 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Mixed Mesic Forest canopy of Acacia koa and Metrosideros polymorpha w/ Tetraplasandra, Diospyros sandwicensis, Cheirodendron trigynum, Dianella sandwicensis, Poa sandwicensis, Bidens cosmoides, Dubautia laevigata, Kadua affinis, Cryptocarya mannii, Peperomia tetraphylla, Dianella Preserved_Specimen Occasional in area. Panicles cascading, florets green-white, clums erect. Tangalin, N. 1971 Kauai BISH 2009-04-08
18 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details north facing slopes above Awini Stream Metrosideros-Acacia montane mesic forest with Alphitonia pondersoa, Antidesma platyphylla, Euphorbia atrococca, Claoxylon sandwicensis, Dodonaea viscosa, Myrsine lanaiensis, Nestegis sandwicensis, Dracaena aurea, Polyscias kavaiensis, Planch Preserved_Specimen grass, ca. 25 cm wide clumps, culms stiff dark green, occasional in area Wood, K.R. 14963 Kauai BISH 2012-04-27
19 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details mesic forest; Pritchardia minor, Tetraplasandra kavaiense, Pleomele, Dodonaea, Myrsine lanaiensis, Psychotria greenwelliae, Acacia koa, Santalum, Hibiscus waimeae, Lantana, Grevillea robusta, Diospyros, Metrosideros Preserved_Specimen Wood, K.R. 8625 Kauai BISH 2000-08-23
20 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris linearis wet montane forest. With Viola wailenalenae, Wikstroemia oahuensis, Cheirodendron trigynum, Broussaisia, Myrsine alyxifolia, Gahnia beechyi, Melicope ovata, Ilex, Dubautia, Cyanea hirtella, Freycinetia, Coprosma, Korthals. Preserved_Specimen Slightly cascading, light green, nodes swollen, shallow rooted, spikes open, pedicles green and whorled. Tangalin, N. 1028 Kauai BISH 2006-10-04
21 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Mixed Mesic forest. Canopy of Acacia koa and Metrosideros polymorpha w/ Tetraplasandra, Cheirodendron trigynum, Dianella sandwicensis, Bidens cosmoides, Dubautia laevigata, Kadua affinis, Cryptocarya mannii, Melicope, Peperomia Preserved_Specimen Grass on slope. Base of stem and nodes dark purple. Inflorescence cascading. Bracts w light green to white margins. Occasional in area. Tangalin, N. 2345 Kauai BISH 2010-06-02
22 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest w/ Myrsine lanaiensis, Myoporum sandwicensis, Kadua affinis, Xylosma hawaiiense, Planchonella sandwicensis, Ilex anomala, Perrottetia sandwicensis, Charpentiera elliptica, Dracaena aurea, Elaeocarpus Preserved_Specimen Grass, on steep north facing slopes below ridge, in flower and fruit, ca. 200+ clumps. Wood, K.R. 1052 Kauai BISH 2024-06-17
23 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros Acacia mesic forest withSantalum pyrularium, Leptecophylla tameamea, Coprosma waimeae, Dodonaea viscosa, Wikstroemia furcata, Melicope ovata, M. barbigera, Cyanea leptostegia, Claoxylon sandiwcense, Planchonella sandwic Preserved_Specimen grass. clumping 50 cm x 50 cm, culm dark green, with old inflorescence, uncommon, Wood, K.R. 15229 Kauai BISH 2012-09-19
24 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia-Metrosideros montane mesic forest. Assoc w/ Lobelia yuccoides, Chamaesyce atrococca, Hedyotis terminalis, Melicope anisata, Lysimachia kalalauensis, Zanthoxylum dipetalum. Growing w/ Schiedea stellarioides & Alsinidendron viscosum. Preserved_Specimen In flower & fruit. Wood, K.R. 660 Kauai BISH 1991-03-26
25 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Seen on ledges on bare, vertical rock face above stream. Preserved_Specimen At least one plant w/ stems 3 ft long. Flynn, T.W. 1598 Kauai BISH 1986-03-11
26 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest with Myrsine lanaiensis, Myoporum sandwicensis, Kadua affinis, Xylosma hawaiiense, Planchonella sandwicensis, Ilex anomala, Perrottetia sandwicensis, Chapentiera elliptica, Chrysodracon aurea, Elaeocar Preserved_Specimen Grass clumping, culms dark green with old inflorescense, about 200 plants in general area, mapped. Wood, K.R. 17171 Kauai BISH 2016-11-01
27 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest, open to closed canopy, moderate to steep slopes over drainage w/ Kadua affinis, Dodonaea, Leptecophylla, Santalum pyrularium, Elaeocarpus bifidus, Bidens cosmoides, Psychotria mariniana, Cheirodendron Preserved_Specimen Grass, on open basalt cliff wall above stream, culms dark green, in flower, spiklets light yellow-green, w/ Lobelia hypoleuca, 30 plants. Wood, K.R. 18187 Kauai BISH 2019-05-09
28 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details in open shade; in mesic, summer-dry forest. Preserved_Specimen forms small clumps. Herbst, D.R. 5301 Kauai BISH 1975-05-16
29 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed montane wet forest and Dicranopteris fernland with Polyscias waialealae, Syzygium sandwicensis, Cheirodendron spp., Dodonaea viscosa, Santalum pyrularium , Psychotria mariniana, Perrottetia sandwicensis, Melicope clusifolia, M. anisata, shrubs and f Preserved_Specimen Grass, erect arching culms, green, with older infloresceince Wood, K.R. 16510 Kauai BISH 2015-07-01
30 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details with Acacia koa, Metrosideros, Wikstroemia, Elaeocarpus, Antidesma, Dubautia laevigata, Cyanea leptostegia, Diplazium, Carex, Dianella, Melicope, Alyxia, Charpentiera elliptica, Urera glabra, Perrottetia, Labordia, Cheirodendron, Styphelia, Santalum, Rubus argutus Preserved_Specimen culms erect to slightly decumbent 5-10 dm long, sheaths striate, keeled, blades 10-20 cm long, upper surface scabrous, lower surface glabrous, panicle branches ~10 cm long Perlman, S. 17698 Kauai BISH 2001-09-26
31 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia montane mesic forest w/ Myrsine lanaiensis, Planchonella sandwicensis, Coprosma waimeae, Melicope anisata M. barbigera, Cheirodendron, trigynum, Kadua affinis, Dianella sandwicensis, Psychotria mariniana, Chrysodracon au Preserved_Specimen small population of ca. 20 clumps, with old infructescence. Wood, K.R. 15917 Kauai BISH 2014-04-16
32 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details along ridge near rim over main Koaie stream, emergent in matting ferns of Dicranopteris linearis. Metrosideros transitional mesic to wet forest. Cheirodendron, kadua affinis, Ilex anomala, Syzygium sandwicensis, Dodonaea viscosa, Coprosma waimeae, Cyrtandra kauaiensis, Melicope clusiifolia, Vaccinium calycina Preserved_Specimen numerous large clumps, rare in area, mapped Wood, K.R. 15721 Kauai BISH 2013-11-13
33 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia-Metrosideros montane mesic forest. Assoc w/ Lobelia yuccoides, Chamaesyce atrococca, Hedyotis terminalis, Melicope anisata, Lysimachia kalalauensis, Zanthoxylum dipetalum. Growing w/ Schiedea stellarioides & Alsinidendron viscosum. Preserved_Specimen In flower & fruit. Wood, K.R. 661 Kauai BISH 1991-03-26
34 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron montane wet, summer mesic forest with Alphitonia, Planchonella, Claoxylon sandwicense, Xylosma hawaiiensis, Antidesma, Bobea brevipes, Myrsine lanaiensis, Dodonaea, Wikstroemia furcata, Leptecophylla tameiameiae, Kadua affinis, Melicop Preserved_Specimen Grass, small colony with ca. 20 small clumps, clums erect dark green, in flower, spiklets light green Wood, K.R. 16757 Kauai BISH 2016-03-24
35 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed montane wet forest, 7 meter canopy, 90% closed native cover with Polyscias waialealae, Syzygium sandwicensis, Cheirodendron spp., Dodonaea viscosa, Santalum pyrularium, Psychotria mariniana, Perrottetia sandwicensis, Labordia degeneri, Melicope clusiifolia, M. an Preserved_Specimen Grass, occasional on steep hillsides, 200+ plants in general area, in flower, mapped. Wood, K.R. 17377 Kauai BISH 2017-05-02
36 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details In forest Preserved_Specimen Degener, O. 23874 Kauai BISH 1955-09-09
37 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details On shaded, gentle slope in mesic-summer dry Metrosideros forest. Preserved_Specimen Herbst, D.R. 2218 Kauai BISH 1971-10-13
38 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest w/ Cheirodendron spp, Melicope barbigera, M. clusiifolia, Dodnoaea viscosa, Santalum pyrularium, Elaeocarpus bifidus, Bidens cosmoides, Myrsine lanaiensis, Xylosama hawaiiense, Kadua affinis, Planchone Preserved_Specimen Grass, terrestrial, clumping, culm dark green, in flower, ca. 500 plants in general area, mapped. Wood, K.R. 18176 Kauai BISH 2019-05-08
39 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Growing in clumps 30 cm. x 30 cm.; good population. Metrosideros montane wet forest with Cheirodendron, Hedyotis terminalis, Psychotria mariniana, Coprosma kauensis, Labordia hirtella. Threats: Pigs, Rubus argutus, Kalanchoe pinnata. Preserved_Specimen With old inflorescence. Wood, K.R. 3453 Kauai BISH 1994-08-19
40 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia-Metrosideros montane mesic forest. Assoc w/Schiedea amplexicaulis, Dodonaea, Carex, Gahnia, Melicope, Bidens cosmoides, Psychotria, Coprosma, Melinis, Vulpia, Poa, Alsinidendron. Occasional on steep N facing slope. Preserved_Specimen In flower, imm fruit, mat fruit. Wood, K.R. 844 Kauai BISH 1991-05-16
41 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Acacia-Metrosideros montane mesic forest w/ Alphitonia ponderosa, Pouteria sandwicensis, Diospyros sandwicensis, Santalum pyrularium, Chrysodracon aurea, Pittosporum glabrum, Cheirodendron trigynum, Ilex anomala, Wikstroemia oahuensis, Claox Preserved_Specimen Terrestrial grass, culms dark green, w/ old inflorescence, ca. 20 plants in area. Wood, K.R. 17517 Kauai BISH 2017-09-05
42 Poa sandvicensis Locality redacted. Contact Bishop Museum Botany Department for details Moist shady cliff Preserved_Specimen Hitchcock, A.S. 15309 Kauai BISH 1916-10-20
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