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Ipomoea imperati

(Vahl) Griseb. (1866)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Solanales Family: Convolvulaceae Genus: Ipomoea

beach morning glory, hunakai

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Description

Key Characters:

Growth Form: Perennial vines.

Stems: Stems trailing and rooting at the nodes, herbaceous to fleshy, up to 4 m or more long, glabrous.

Roots:

Leaves: Leaves simple. Alternate. Blades variable in shape, usually linear, lanceolate, ovate to oblong, 1.5–4(–6) cm long, the size varying greatly with habitat. Apex rounded to obtuse, emarginate or occasionally bilobed. Base obtuse, truncate to cordate. Surfaces glabrous; blades fleshy. Margins entire to undulate or 5–7-lobed, often on the same plant. Petiolate. Stipules absent.

Flowers: Flowers usually solitary in the leaf axils, pedicels 8–15 mm long, pedicels long or short, bracts scale-like to foliose. Flowers bisexual (perfect), actinomorphic, 5-merous. Calyx of 5 sepals, distinct, imbricate, subcoriaceous, oblong, the 3 inner ones 10–15 mm long, the outer 2 somewhat shorter, glabrous, apex acute to obtuse, mucronulate, often somewhat enlarging in fruit but not markedly accrescent, persistent, occasionally accrescent. Corolla of 5 fused petals,limb white, the throat yellow or basally purple in New World plants, funnelform, 3.5–5 cm long. Stamens 5, distinct; included or rarely exserted; filaments inserted on corolla tube base alternate with corolla lobes; anthers dithecal, usually linear or oblong, extrorse. Ovary superior, 2–4-carpellate, usually with as many cells, placentation basal or basal-axile; ovules 2(4, 6) per cell, or ovary 1-celled and ovules 4, these erect, anatropous; style 1, filiform, simple or bifid, or sometimes with 2 distinct style; stigma globose or 2–3-lobed, the lobes globose.

Fruit: Capsules brown; globose to ovoid; 0.8–1.2 cm long; dehiscent by 4 valves or rarely 6 valves; or splitting irregularly. Seeds 1–4; pale brown; 8–9 mm long; short–tomentose and with longer woolly hairs on the margins; endosperm absent or scanty; cartilaginous; cotyledons usually foliaceous.

Ploidy: 2n = 2n = 30

Habitat: Occurring on beaches and sand dunes.

Elevation Range: 0–20 m.

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Ni'ihau(Incl. Lehua) Indigenous
Kaua'i Indigenous
O'ahu Indigenous
Molokai Indigenous
Maui Indigenous

Dispersal Agents


Pollinators

Bibliography

Name Published In: Cat. Pl. Cub.: 203 (1866)

Other References

Wagner et al. 1990:556 (Ni, K, O, Mo, M)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Ipomoea imperati (Vahl) Griseb. kawaihapai, just above sea. PRESERVED_SPECIMEN o. degener & k. park 9956 Oahu US 7/15/1935
2 Ipomoea imperati (Vahl) Griseb. Halawa Valley, on beach. PRESERVED_SPECIMEN Degener, O. 5992 Molokai US 6/20/2028
3 Ipomoea imperati (Vahl) Griseb. from papawai point toward puu anu through manawainui gulch, west maui. PRESERVED_SPECIMEN o. degener 6004 Kauai US 7/12/1927
4 Ipomoea imperati (Vahl) Griseb. ala moana PRESERVED_SPECIMEN Oahu US
5 Ipomoea imperati (Vahl) Griseb. On sand dunes and in loose sand back of beach, Barking Sands. PRESERVED_SPECIMEN Herbst, D. R. 992 Kauai US 3/29/1968
6 Ipomoea imperati (Vahl) Griseb. [no specific locality provided.] PRESERVED_SPECIMEN s. starratt 428 Hawaii US 3/28/1980
7 Ipomoea imperati (Vahl) Griseb. North of Barking Sands. PRESERVED_SPECIMEN Degener, O.; Wiebke, H. 3364 Kauai US 6/13/2026
8 Ipomoea imperati (Vahl) Griseb. hilo PRESERVED_SPECIMEN hillebrand, w.b. lydgate, j.m. collector number: s.n. Hawaii BISH
9 Ipomoea imperati (Vahl) Griseb. lauiloa point on beach just behind and in Scaevola taccada bush PRESERVED_SPECIMEN p. van royen 10249 Oahu US 7/7/1968
10 Ipomoea imperati (Vahl) Griseb. North of Barking Sands Deeply buried in coastal dunes PRESERVED_SPECIMEN Degener, O. 3364 Kauai BISH 6/13/1926
11 Ipomoea imperati (Vahl) Griseb. Hilo PRESERVED_SPECIMEN Hillebrand, W.B. Lydgate, J.M. Collector Number: s.n. Hawaii BISH
12 Ipomoea imperati (Vahl) Griseb. pounder's beach In sand. PRESERVED_SPECIMEN corn, c. collector number: s.n. Oahu BISH 4/13/1984
13 Ipomoea imperati (Vahl) Griseb. barking sands Sand dunes PRESERVED_SPECIMEN fosberg, f.r. collector number: 12733 Kauai BISH 12/30/1935
14 Ipomoea imperati (Vahl) Griseb. west of Kahuku point PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 8/6/1938
15 Ipomoea imperati (Vahl) Griseb. Kawaihapai In coastal dunes just above sea-stems and petioles covered by sand-rare. PRESERVED_SPECIMEN Degener, O. 9956 Oahu BISH 7/15/1935
16 Ipomoea imperati (Vahl) Griseb. Barking Sands On sand dunes and in loose sand back of beach. Plants covered with sand, only leaf lamina and flowers exposed. PRESERVED_SPECIMEN Herbst, D.R. 992 Kauai BISH 3/29/1968
17 Ipomoea imperati (Vahl) Griseb. On sand dunes and in loose sand back of beach, Barking sands Plants covered with sand, only leaf lamina and flowers exposed. PRESERVED_SPECIMEN Herbst, D.R. 992 Kauai BISH 3/29/1968
18 Ipomoea imperati (Vahl) Griseb. west of kahuku point PRESERVED_SPECIMEN neal, m.c. hartt, c. collector number: s.n. Oahu BISH 8/6/1938
19 Ipomoea imperati (Vahl) Griseb. From Papawai Point toward Puu Anu through Manawainui Gulch, West Maui. PRESERVED_SPECIMEN Degener, O. 6004 Maui US 7/12/2027
20 Ipomoea imperati (Vahl) Griseb. east maui, waianapanapa state park climbing over low lauae fern and guava scrub, and into hala trees PRESERVED_SPECIMEN hobdy, r.w. collector number: 2882 Maui BISH 6/28/1987
21 Ipomoea imperati (Vahl) Griseb. West Maui, Papawai Point toward Puu Anu through Manawainui Gulch dry, grassy PRESERVED_SPECIMEN Degener, O. 6004 Maui BISH 7/12/1927
22 Ipomoea imperati (Vahl) Griseb. Haleiwa coastal dune in clean sand PRESERVED_SPECIMEN Degener, O. 1663 Oahu BISH 5/31/1923
23 Ipomoea imperati (Vahl) Griseb. East Maui, Waianapanapa State Park climbing over low lauae fern and guava scrub, and into hala trees PRESERVED_SPECIMEN Hobdy, R.W. 2883 Maui BISH 6/28/1987
24 Ipomoea imperati (Vahl) Griseb. Hauula PRESERVED_SPECIMEN Swezey, O.H. Oahu BISH 11/11/1932
25 Ipomoea imperati (Vahl) Griseb. Waimea Arboretum PRESERVED_SPECIMEN Lau, J. 2375 Oahu BISH 5/12/1986
26 Ipomoea imperati (Vahl) Griseb. Kauai PRESERVED_SPECIMEN Stone, B.C. 732 Kauai BISH 6/1/1955
27 Ipomoea imperati (Vahl) Griseb. Mokuleia, near the shore PRESERVED_SPECIMEN Forbes, C.N. 1811.O Oahu BISH 4/26/1912
28 Ipomoea imperati (Vahl) Griseb. Waihu Beach On sand, with Boerhaavia diffusa and Sesuvium portulacastrum. PRESERVED_SPECIMEN Woolford, H.A. 192 Maui BISH 1/1/1956
29 Ipomoea imperati (Vahl) Griseb. on sand dunes and in loose sand back of beach, barking sands Wet forest PRESERVED_SPECIMEN herbst, d.r. collector number: 992 Hawaii BISH 3/29/1968
30 Ipomoea imperati (Vahl) Griseb. mahaulepu On eroding dunes at head of bay. Mixed with Ipomoea pes-caprae PRESERVED_SPECIMEN austin, d.f. austin, s.k.; flynn, t. collector number: 7458 Kauai BISH 5/8/1985
31 Ipomoea imperati (Vahl) Griseb. halawa valley, molokai, t. hawaii Ipomoea stolonifera (Cyrill.) Poir. PRESERVED_SPECIMEN degener, o. collector number: 5992 Molokai BISH 6/20/1928
32 Ipomoea imperati (Vahl) Griseb. Barking Sands PRESERVED_SPECIMEN Skottsberg, C.J.F. 1061 Kauai BISH 2/11/1922
33 Ipomoea imperati (Vahl) Griseb. Barking Sands Sand dunes PRESERVED_SPECIMEN Fosberg, F.R. 12733 Kauai BISH 12/30/1935
34 Ipomoea imperati (Vahl) Griseb. kawaihapai In coastal dunes just above sea-stems and petioles covered by sand-rare. PRESERVED_SPECIMEN degener, o. park, k.k. collector number: 9956 Oahu BISH 7/15/1935
35 Ipomoea imperati (Vahl) Griseb. East Maui, Waianapanapa State Park road side rocks PRESERVED_SPECIMEN Austin, D.F. 7464 Maui BISH 5/15/1985
36 Ipomoea imperati (Vahl) Griseb. East Maui, Waianapanapa State Park coastal shrubbery under open Hala forest; scrambling over naupaka, uulei PRESERVED_SPECIMEN Hobdy, R.W. 1318 Maui BISH 5/26/1982
37 Ipomoea imperati (Vahl) Griseb. haiku Occasional in tall Metrosideros forest. PRESERVED_SPECIMEN munro, g.c. collector number: 629 Hawaii BISH 12/1/1916
38 Ipomoea imperati (Vahl) Griseb. Halawa, Top of coral sand beach PRESERVED_SPECIMEN St. John, H. 23406 Molokai BISH 12/21/1948
39 Ipomoea imperati (Vahl) Griseb. mokuleia beach park Growing among Scaevola taccada. Herb with or without runners. PRESERVED_SPECIMEN van royen, p. collector number: 10197 Oahu BISH 2/18/1968
40 Ipomoea imperati (Vahl) Griseb. Lualualei Beach PRESERVED_SPECIMEN Forbes, C.N. 1925.O Oahu BISH 7/1/1914
41 Ipomoea imperati (Vahl) Griseb. Mahaulepu On eroding dunes at head of bay. Mixed with Ipomoea pes-caprae PRESERVED_SPECIMEN Austin, D.F. 7458 Kauai BISH 5/8/1985
42 Ipomoea imperati (Vahl) Griseb. barking sands On sand dunes and in loose sand back of beach. Plants covered with sand, only leaf lamina and flowers exposed. PRESERVED_SPECIMEN herbst, d.r. collector number: 992 Kauai BISH 3/29/1968
43 Ipomoea imperati (Vahl) Griseb. Kaununui Trailing, nearly buried in coral sand of foredune PRESERVED_SPECIMEN St. John, H. 22717 Niihau BISH 8/11/1947
44 Ipomoea imperati (Vahl) Griseb. 1/2 mile west of kamala point Along beach strand. PRESERVED_SPECIMEN corn, c. collector number: s.n. Kauai BISH 6/14/1978
45 Ipomoea imperati (Vahl) Griseb. beach N.W Kahalui along beach, in sand PRESERVED_SPECIMEN Fosberg, F.R. 982 a Maui BISH 8/17/1933
46 Ipomoea imperati (Vahl) Griseb. kawaihapai On Cibotium stump, in Metrosideros - Cibotium rainforest. PRESERVED_SPECIMEN degener, o. park, k.k. collector number: 5986 Hawaii BISH 6/1/1931
47 Ipomoea imperati (Vahl) Griseb. Laniloa Point On beach just behind and in Saevola taccada bush. PRESERVED_SPECIMEN van Royen, P. 10249 Oahu BISH 7/7/1968
48 Ipomoea imperati (Vahl) Griseb. Beach Ipomoea stolonifera (Cyrill.) Poir. PRESERVED_SPECIMEN Topping, D.L. 6005 Maui BISH 8/5/1927
49 Ipomoea imperati (Vahl) Griseb. lualualei beach PRESERVED_SPECIMEN forbes, c.n. cooke, c.m. collector number: 1925.0 Oahu BISH 7/1/1914
50 Ipomoea imperati (Vahl) Griseb. hauula PRESERVED_SPECIMEN swezey, o.h. Oahu BISH 11/11/1932
51 Ipomoea imperati (Vahl) Griseb. Haleiwa coastal dune in clean sand PRESERVED_SPECIMEN Degener, O. Collector Number: 1663 Oahu BISH 5/31/1923
52 Ipomoea imperati (Vahl) Griseb. east maui, waianapanapa state park road side rocks PRESERVED_SPECIMEN austin, d.f. austin, s.k. collector number: 7464 Maui BISH 5/15/1985
53 Ipomoea imperati (Vahl) Griseb. Hana Hwy., near Hana climbing PRESERVED_SPECIMEN Nagata, K.M. 2665 Maui BISH 6/27/1983
54 Ipomoea imperati (Vahl) Griseb. Kaununui Trailing, nearly buried in coral sand of foredune PreservedSpecimen St. John, H. Collector Number: 22717 Niihau BISH Specimen 8/11/1947
55 Ipomoea imperati (Vahl) Griseb. mokuleia, near the shore PRESERVED_SPECIMEN forbes, c.n. collector number: 1811.0 Oahu BISH 4/26/1912
56 Ipomoea imperati (Vahl) Griseb. east maui, waianapanapa state park PRESERVED_SPECIMEN hobdy, r.w. collector number: 2883 Oahu BISH 6/28/1987
57 Ipomoea imperati (Vahl) Griseb. kipukai PRESERVED_SPECIMEN alexander, a.m. kellogg, l. collector number: 5333 Kauai BISH 4/30/1948
58 Ipomoea imperati (Vahl) Griseb. Pounder's Beach In sand. PRESERVED_SPECIMEN Corn, C. s.n. Oahu BISH 4/13/1984
59 Ipomoea imperati (Vahl) Griseb. along beach between Kaena Pt. and Kaiaka Bay, north shore of O'ahu Coral sand ridges along beach PRESERVED_SPECIMEN Harris, J.A. 242198 Oahu BISH 9/4/1924
60 Ipomoea imperati (Vahl) Griseb. Between Barbers Point and Pearl Harbor in sand just above high tide mark PRESERVED_SPECIMEN Degener, O. 5976 Oahu BISH 5/8/1932
61 Ipomoea imperati (Vahl) Griseb. kaununui trailing, nearly buried in coral sand of fore dune PRESERVED_SPECIMEN st.john, h. collector number: 22717 Niihau BISH 8/11/1947
62 Ipomoea imperati (Vahl) Griseb. Halawa Valley, Molokai, T. Hawaii Ipomoea stolonifera (Cyrill.) Poir. PRESERVED_SPECIMEN Degener, O. 5992 Molokai BISH 6/20/1928
63 Ipomoea imperati (Vahl) Griseb. Kawaihapai coastal dune PRESERVED_SPECIMEN Degener, O. 5986 Oahu BISH 1930-00-00
64 Ipomoea imperati (Vahl) Griseb. haleiwa, top of coral sand beach On dead log. PRESERVED_SPECIMEN st.john, h. collector number: 23406 Hawaii BISH 12/21/1948
65 Ipomoea imperati (Vahl) Griseb. west maui, papawai point toward puu anu through manawainui gulch dry, grassy PRESERVED_SPECIMEN degener, o. collector number: 6004 Maui BISH 7/12/1927
66 Ipomoea imperati (Vahl) Griseb. waihu beach PRESERVED_SPECIMEN woolford, h.a. collector number: 192 BISH 1/1/1956
67 Ipomoea imperati (Vahl) Griseb. barking sands PRESERVED_SPECIMEN skottsberg, c.j.f. collector number: 1061 Kauai BISH 2/11/1922
68 Ipomoea imperati (Vahl) Griseb. kauai PRESERVED_SPECIMEN stone, b.c. collector number: 732 Kauai BISH
69 Ipomoea imperati (Vahl) Griseb. kekaha Trailing in sand at top of beach. PRESERVED_SPECIMEN st.john, h. cowan, r.s.; webster, g.l.; wilbur, r.l. collector number: 22969 Kauai BISH 12/23/1947
70 Ipomoea imperati (Vahl) Griseb. between barbers point and pearl harbor Degener garden PRESERVED_SPECIMEN degener, o. park, k.k. collector number: 5976 Oahu BISH 5/8/1932
71 Ipomoea imperati (Vahl) Griseb. 1/2 mile west of Kamala Point Along beach strand. PRESERVED_SPECIMEN Corn, C. s.n. Kauai BISH 6/14/1978
72 Ipomoea imperati (Vahl) Griseb. East Maui, Waianapanapa State Park climbing over low lauae fern and guava scrub, and into hala trees PRESERVED_SPECIMEN Hobdy, R.W. 2882 Maui BISH 6/28/1987
73 Ipomoea imperati (Vahl) Griseb. east maui, waianapanapa state park In dense shade in small ravine w/Aleurites & Pandanus assoc. PRESERVED_SPECIMEN hobdy, r.w. collector number: 1318 Kauai BISH 5/26/1982
74 Ipomoea imperati (Vahl) Griseb. Kipukai PRESERVED_SPECIMEN Alexander, A.M. 5333 Kauai BISH 4/30/1948
75 Ipomoea imperati (Vahl) Griseb. Mokuleia Beach Park Growing among Scaevola taccada. Herb with or without runners. PRESERVED_SPECIMEN van Royen, P. 10197 Oahu BISH 2/18/1968
76 Ipomoea imperati (Vahl) Griseb. north of barking sands Deeply buried in coastal dunes PRESERVED_SPECIMEN degener, o. wiebke, h. collector number: 3364 Kauai BISH 6/13/1926
77 Ipomoea imperati (Vahl) Griseb. mahaulepu, haula; PRESERVED_SPECIMEN herbst, d.r. collector number: 2348 Oahu BISH 1/28/1972
78 Ipomoea imperati (Vahl) Griseb. haleiwa coastal dune in clean sand PRESERVED_SPECIMEN degener, o. collector number: 1663 Oahu BISH 5/31/1923
79 Ipomoea imperati (Vahl) Griseb. laniloa point On beach just behind and in Saevola taccada bush. PRESERVED_SPECIMEN van royen, p. collector number: 10249 Oahu BISH 7/7/1968
80 Ipomoea imperati (Vahl) Griseb. Mahaulepu, Haula; covering sand dunes bck of beach. PRESERVED_SPECIMEN Herbst, D.R. 2348 Kauai BISH 1/28/1972
81 Ipomoea imperati (Vahl) Griseb. beach PRESERVED_SPECIMEN topping, d.l. collector number: 6005 Oahu BISH 8/5/1927
82 Ipomoea imperati (Vahl) Griseb. kawaihapai, oahu, t.h. Coastal dune PRESERVED_SPECIMEN otto degener 9956 DBG 7/15/1935
83 Ipomoea imperati (Vahl) Griseb. waimea arboretum PRESERVED_SPECIMEN lau, j. collector number: 2375 Oahu BISH 5/12/1986
84 Ipomoea imperati (Vahl) Griseb. Polihale State Park; dunes in front of reef zone near Queens Pond. Coastal dry mixed community. PRESERVED_SPECIMEN K. R. Wood 11913-A Kauai PTBG 6/4/2006
85 Ipomoea imperati (Vahl) Griseb. 1.8 mi. sw of polihale state park, west side of island. PRESERVED_SPECIMEN francis r. fosberg 53657 MICH
86 Ipomoea imperati (Vahl) Griseb. PRESERVED_SPECIMEN urbain jean faurie; b.1847; d.1915; faurie 1035 NHMUK 6/9/1910
87 Ipomoea imperati (Vahl) Griseb. East end of Keoneloa Beach ("Shipwrecks"), Poipu. In loose beach sand. PRESERVED_SPECIMEN Lynwood Hume 263 Kauai PTBG 7/22/1984
88 Ipomoea imperati (Vahl) Griseb. Mahaulepu, Haula; sand dunes back of beach. PRESERVED_SPECIMEN Derral Herbst 2348 Kauai PTBG 1/28/1972
89 Ipomoea imperati (Vahl) Griseb. Polihale State Park, dunes in front of reef zone near Queens Pond. Coastal dry shrubland mixed community, sand dunes and lithified sand outcrops. PRESERVED_SPECIMEN K. R. Wood 15849 Kauai PTBG 2/27/2014
90 Ipomoea imperati (Vahl) Griseb. Kipu-Kai coastal, on dune sand w/ grass from lawn, in front of Waterhouse cottage. Coastal Strand PRESERVED_SPECIMEN Natalia Tangalin 3461 Kauai PTBG 3/28/2013
91 Ipomoea imperati (Vahl) Griseb. 1.8 mi. SW of Polihale State Park, west side of Island. In swales between dunes just back of beach. PRESERVED_SPECIMEN Francis R. Fosberg 53657 RSA
92 Ipomoea imperati (Vahl) Griseb. Mahaulepu area. PRESERVED_SPECIMEN Tim Flynn 7 Kauai PTBG 1/27/1981
93 Ipomoea imperati (Vahl) Griseb. Lauiloa Point on beach just behind and in Scaevola taccada bush PRESERVED_SPECIMEN Royen, P. van 10249 Oahu US 7/7/1968
94 Ipomoea imperati (Vahl) Griseb. Kawaihapai, just above sea. PRESERVED_SPECIMEN Degener, O.; Park, K. K. 9956 Oahu US 7/15/1935
95 Ipomoea imperati (Vahl) Griseb. north of barking sands. PRESERVED_SPECIMEN o. degener & h. wiebke 3364 Kauai US 6/13/1926
96 Ipomoea imperati (Vahl) Griseb. on sand dunes and in loose sand back of beach, barking sands. PRESERVED_SPECIMEN d. r. herbst 992 Kauai US 3/29/1968
97 Ipomoea imperati (Vahl) Griseb. valley of halawa, molokai, (oahu) PRESERVED_SPECIMEN w. b. hillebrand 1985 Kauai US
98 Ipomoea imperati (Vahl) Griseb. halawa valley, on beach. PRESERVED_SPECIMEN o. degener 5992 Molokai US 6/20/1928
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