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Panicum konaense

Whitney & Hosaka (1936)

This name is accepted

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

Description

Key Characters:

Growth Form: Cespitose annuals 10–60 cm tall.

Stems: Culms unbranched, glabrous or papillose-pilose, the nodes pilose.

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate, cauline. Blades 5-18 cm long, 0.2-0.5 cm wide, flat. Surfaces ciliate, papillose-pilose, lower surface often sparsely so, rarely puberulent or glabrous. Veins parallel. Sheaths papillose-pilose or rarely puberulent; ligule a ciliate membrane, 0.6-1.6 mm long, the membrane 0.1-0.3 mm long, the cilia 0.5-1.3 mm long. Stipules absent.

Flowers: Panicles 4-16 cm long, axis scabrous and pilose, branches spreading, pilose and/or scabrous; spikelets 1.5-3.9 mm long, acuminate, pilose; glumes as long as spikelet, acuminate, first glume about equaling or longer than second glume, pilose with hairs 1-3 mm long primarily in the upper 1/2 or evenly distributed, 3-5-nerved, second glume with just a few scattered hairs or glabrous, 5-nerved. First floret sterile, first lemma shorter than glumes, 5-7-nerved, glabrous, first palea 1/4-1/3 as long as first lemma; second floret blackish at maturity,1.2-1.4 mm long, 0.5-0.6 mm wide, elliptic to lanceolate-elliptic, glossy, smooth Anthers 0.5-0.8 mm long.

Fruit: Fruit a caryopsis

Ploidy:

Habitat: Relatively uncommon in dry; open habitats.

Elevation Range: 10–930 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Not in flora
Molokai Endemic
Maui Endemic
Hawai'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Occas. Pap. Bernice Pauahi Bishop Mus. 12(5): 3 (1936)

Other References

Wagner et al. 1990:1568 (Mo, M, H); Lorence et al. 1995:46 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Panicum konaense Hawaii National Park, Kau, Great Crack Preserved_Specimen Frequent along crack. Fagerlund, G.O. 1057 Hawaii BISH 1945-04-29
2 Panicum konaense South Kohala, Puako Preserved_Specimen fairly widespread but uncommon Hobdy, R.W. 4365 Hawaii BISH 2014-04-10
3 Panicum konaense Olowelu valley Preserved_Specimen Hosaka, E.Y. 2471 Maui BISH 1930-05-23
4 Panicum konaense Koloa District. Jhanapepe, Papalu gulch, north facing slopes east of K.R. Wood cliff side property. Dodonaea viscosa mixed lowland dry shrubland with Heteropogon contortus, Sicyos pachiycarpus, Doryopteris decora, Peperomia leptosctachya, Plumbago zeylanica, Panicum konaense. Preserved_Specimen Grass, annual, decumbent on shelves of steep slopes ion concentrated soil pockets near boulder outcrops, infructenscence starting to dry up, some seed, ca. 30 plants in general area Wood, K.R. 19309 Kauai BISH 2023-05-13
5 Panicum konaense East Maui, above Pakiloi and Kamana (near Auwahi, S slope of Haleakala) Preserved_Specimen Forbes, C.N. 2069 Maui BISH 1920-03-25
6 Panicum konaense East Maui, Makawao District, Kanaio Preserved_Specimen Holt, R.A. 146 Maui BISH 1982-03-23
7 Panicum konaense East Maui, Kamana, S slope of Haleakala Preserved_Specimen Forbes, C.N. 2087 Maui BISH 1920-03-23
8 Panicum konaense Kahuku Dist Preserved_Specimen Meebold, A. 20945 Hawaii BISH 1935-11-01
9 Panicum konaense Ulupalakua, Makawao, on slope of Puu Naio Preserved_Specimen Common. Hosaka, E.Y. 1698 Maui BISH 1937-01-20
10 Panicum konaense East Maui, S slope of Haleakala, Lualailua Preserved_Specimen Forbes, C.N. 2029 Maui BISH 1920-03-19
11 Panicum konaense East Maui, S slope of Haleakala, Lualailua Preserved_Specimen Forbes, C.N. 2030 Maui BISH 1920-03-19
12 Panicum konaense East Maui, Hana District, Haleakala, Auwahi Preserved_Specimen Rock, J.F.C. 8708 Maui BISH 1910-11-01
13 Panicum konaense Kahuku, Kau Preserved_Specimen Meebold, A. 20945 Hawaii BISH 1935-11-01
14 Panicum konaense Puu Piimoe, Kanaio, National Guard target range cinder cone, E side, shrubland; Dodonaea vicosa, Doryopteris decipiens, Myoporum sandwicense, Rauwolfia sandwicensis, Rhynchelytrum repens, Sicyos pachycarpus, Bidens pilosa, Nesoluma polynesicum, Nothocestrum latifolium, Ricinus communis, Lipocheeta lavarum Preserved_Specimen tall form Wood, K.R. 5140 Maui BISH 1996-04-24
15 Panicum konaense Puu Piimoe, Kanaio, National Guard target range cinder cone, E side, shrubland; Dodonaea vicosa, Doryopteris decipiens, Myoporum sandwicense, Rauwolfia sandwicensis, Rhynchelytrum repens, Sicyos pachycarpus, Bidens pilosa, Nesoluma polynesicum, Nothocestrum latifolium, Ricinus communis, Lipocheeta lavarum Preserved_Specimen Wood, K.R. 5134 Maui BISH 1996-04-24
16 Panicum konaense Pohakuloa Military Training Area, Mauna Loa Forest and Game Reserve In arid lava fields with Dodonaea, Pennisetum, Sida and Euphorbia olowaluana var. gracilis; in exposed areas. Preserved_Specimen Uncommon annual. Nagata, K.M. 1717 Hawaii BISH 1978-07-17
17 Panicum konaense S coast, Kanaio Beach 200-300 ft from sea. Preserved_Specimen Hobdy, R.W. 1281 Maui BISH 1982-02-28
18 Panicum konaense North Kona, near Puuwaawaa Lava flows. Preserved_Specimen Whitney, L.D. 4136 Hawaii BISH 1936-04-07
19 Panicum konaense East Maui, Makawao District, above Kihei near Puu o Kali cone In barren lava. Preserved_Specimen Rare; plants erect, panicle appressed. Hobdy, R.W. 1011 Maui BISH 1981-03-05
20 Panicum konaense Below Canyon Rd. Relic Dodonaea shrubland. W/ Bidens sandwicensis, Melanthera connata, Sida fallax, Sicyos herbstii, Schiedea spergulina, Spermolepis hawaiiensis, Heeropogon contortus, Panicum konaense, Doryopteris decora Preserved_Specimen terrestrial grass, occasional Wood, K.R. 14620 Kauai BISH 2011-04-20
21 Panicum konaense Kau, Kahuku Dry rocky pasture Preserved_Specimen Occasional Hosaka, E.Y. Hawaii BISH 1950-04-17
22 Panicum konaense West Kaupo Gap, just inside park fence, Haleakala National Park on rocks Preserved_Specimen Gagné, B.H. 3057 Maui BISH 1991-04-29
23 Panicum konaense W Maui, Wailuku District, Waikapu, NHPS Hibiscus brackenridgei exclosure Inside exclosure. Associated vegetation: Sida fallax, Hibiscus brackenridgei. Preserved_Specimen Erect, annual grass 2-3dm ht; lvs light green; inflorescence fuzzy. Starr, F. 102101 Maui BISH 2001-02-10
24 Panicum konaense Kaunakakai Rare in dry rocky pasture Preserved_Specimen Hosaka, E.Y. 1861 Molokai BISH 1937-04-21
25 Panicum konaense South Kohala District. Collected east of Queen Kaahumanu Highway between Mauna Lani Drive and Puako turn off Dry area with scant vegatation; open grassland with scattered Prosopis pallida. Preserved_Specimen Funk, E.J. Hawaii BISH 1991-02-04
26 Panicum konaense Kaunakakai Rare in dry rocky pasture Preserved_Specimen Hosaka, E.Y. 1861 Molokai BISH 1937-04-21
27 Panicum konaense North Kona, near Puuwaawaa Lava flows. Preserved_Specimen Whitney, L.D. 4136 Hawaii BISH 1936-04-07
28 Panicum konaense S coast of E Maui, Kanaio Beach, west side Rare, seen once. Preserved_Specimen More glabrous than the other Panicums. Hobdy, R.W. 1273 Maui BISH 1982-02-28
29 Panicum konaense E Maui District: Puu o Kali In lava flows. Preserved_Specimen Hobdy, R.W. 1906 Maui BISH 1984-01-13
30 Panicum konaense East Maui, Makawao District, 1/4 mi NW of Puu o kali In lava; growing alongside Hibiscus brackenridgei (approaches Panicum kauaiense Hitchc. 1922; it is certainly not P. beechyi). Preserved_Specimen Hobdy, R.W. 2042 Maui BISH 1984-03-24
31 Panicum konaense Kanaio, Ulupalakua, Makawao In open place in dry rocky Lantana pasture. Preserved_Specimen Common. Hosaka, E.Y. 1726 Maui BISH 1937-01-23
32 Panicum konaense East Maui, Kanaio National Guard, lower exclosure Low dry scrub, a`a lava substrate. Associated vegetation: Dodonaea viscosa, Lipochaeta lavarum. Preserved_Specimen Grass. Starr, F. 403312 Maui BISH 2004-03-31
33 Panicum konaense South Kohala Distr., Waikoloa, south slopes of Puu Nohonaohae Occasional in Styphelia-Dodonaea-Pennisetum setaceum scrub Preserved_Specimen To 25 cm. height Nagata, K.M. 2432 Hawaii BISH 1982-04-05
34 Panicum konaense Kanaio, Ulupalakua, Makawao In open dry and rocky lantana pasture Preserved_Specimen Forming tufts, common Hosaka, E.Y. 1726 Maui BISH 1937-01-23
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