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Distimake aegyptius

(L.) A.R.Simões & Staples (2017)

This name is accepted

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

hairy merremia, hairy merremia, koali kua hulu, kuahulu

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Description

Key Characters:

Growth Form: Vines.

Stems: Stems twining, herbaceous, up to 4 m or more long, usually reddish hirsute with long, erect to suberect hairs.

Roots:

Leaves: Leaves compound (palmate). Alternate. Leaflets 5, elliptic. Apex acuminate to acute. Base acuminate to acute. Surfaces sparsely pubescent to glabrate. Margins entire to dentate. Petiolate. Stipules absent.

Flowers: Flowers in cymes, usually on long peduncles, pedicels 1–2 cm long, bracts scale-like. Flowers bisexual (perfect), actinomorphic, 5-merous. Calyx of 5 sepals, distinct, imbricate, subequal, oblong, ca. 2 cm long, hirsute with yellowish erect hairs, apex acute; persistent, occasionally accrescent. Corolla of 5 fused petals; petals white, campanulate, 2–3 cm long, glabrous. Stamens 5, distinct; filaments equal or subequal, inserted on corolla tube base alternate with corolla lobes, usually glabrous at base; anthers spirally twisted; anthers dithecal, usually linear or oblong, extrorse, with complete dehiscence. Ovary superior, 2–3-carpellate, usually glabrous, placentation basal or basal-axile; ovules 4–6; style 1, filiform, simple or bifid; stigma simple, globose or 2-lobed, the lobes globose, included.

Fruit: Capsules tan to pale brown; subglobose; 2–4–celled; 1–2 cm in diameter; subtended and partially surrounded by the somewhat enlarged calyx; longitudinally dehiscent by 4–6 valves; pericarp thin and fragile. Seeds often 4; usually tan; glabrous; endosperm absent or scanty; cartilaginous; cotyledons usually foliaceous.

Ploidy: 2n = 28; 30

Habitat: Common in dry; disturbed sites.

Elevation Range: 0–100(–350) m.

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Kaua'i Indigenous
O'ahu Indigenous
Molokai Indigenous
Lana'i Indigenous
Kaho'olawe Indigenous
Maui Indigenous
Hawai'i Indigenous

Dispersal Agents


Pollinators

Bibliography

Name Published In: Bot. J. Linn. Soc. 183: 573 (2017)

Other References

Wagner et al. 1990:563 (K, O, Mo, L, M, Ka, H [as Merremia aegyptia]); Wood 2012:93 (KEY); Simões & Staples 2017:573 (Syn. M. aegyptia = D. aegyptius); St. John 1978 (status change nat? to ind as it was collected by David Nelson in 1779)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Distimake aegyptius Makapuu Head, Waimanalo - Maunalua divide ridge above, climbing over bushes Preserved_Specimen vine; fls. white Fosberg, F.R. 13166 Oahu BISH 1936-06-14
2 Distimake aegyptius Koolau Poko Distr, Makapuu Head, Roadside, along paved rd from ka Iwi Coast parking lot to old lighthouse on Makapuu Head. Among Leucaena, Prosopis, dense grasses, and many alien species as understory. Rainy season, so all vegetation is luxuriant and green. Preserved_Specimen Annual herbaceous twiner<1m long; stems pale green, covered in raised purple-red warts, each wart with a single hispid, simple hair emerging at the apex; leaves palmately compound, leaflets 5, all densely hairy underneath; flowers open ca 10am, odorless, corolla pure white, campanulate, bruising easily and browning where bruised; stamens and pistil white, anthers not dehisced yet, ellipsoid. Staples, G.W. 1565 Oahu BISH 2014-03-02
3 Distimake aegyptius 1.4 mi from Waikoloa substation along powerline on 'a'a lava flow. Preserved_Specimen Wagner, W.L. 4725 Hawaii BISH 1982-11-20
4 Distimake aegyptius Waimea, Polihale State Park sand dunes with shrubby coastal vegetation of Scaevola sericea, Dodonaea, Sida fallax, Myoporum and naturalized species including Leucaena and Prosopis Preserved_Specimen Herbaceous twiner reaching 2-3 m tall. Corolla white. Lorence, D.H. 5734 Kauai BISH 1988-01-15
5 Distimake aegyptius Waimanalo, Azevedo Field, jct. of Hihimanu St. and Kalanianaole Hwy roadside Preserved_Specimen Wagner, W.L. 4823 Oahu BISH 1983-06-04
6 Distimake aegyptius Back of kahului Airport SW of Sprecklesville Very common, tangled in roadside brush. Preserved_Specimen Twiner, corolla white, open at 10:20 a.m., anthers white, coiled. Fosberg, F.R. 55447 Maui BISH 1974-04-15
7 Distimake aegyptius Makiki, road to Tantalus trailing over lantana Preserved_Specimen Rock, J.F.C. 2853 Oahu BISH 1909-05-01
8 Distimake aegyptius Kipapa Gulch, Waipio pineapple field Preserved_Specimen Hosaka, E.Y. 773 Oahu BISH 1932-09-25
9 Distimake aegyptius Makapuu Point arid rocky region Preserved_Specimen Degener, O. 3237 Oahu BISH 1926-01-01
10 Distimake aegyptius Kahe Point, Honouliuli dry roadside Preserved_Specimen Trailing or climbing on herbs. Fl. white St.John, H. 12942 Oahu BISH 1933-03-12
11 Distimake aegyptius Haleiwa roadside Preserved_Specimen Degener, O. 6022 Oahu BISH 1925-12-01
12 Distimake aegyptius Mahukona Growing over rocks, grass and shrubs Preserved_Specimen Weedy, annual vine with white flowers. Common. Herbst, D.R. 936 Hawaii BISH 1968-02-19
13 Distimake aegyptius Mahaulepu, road to Mahaulepu from CJM Stables, along coastline toward Hyatt, near heiau. Disturbed coastal strand w/Leucaena, Verbesina encelioides, Casuarina, Portulaca oleracea, weedy grasses. Preserved_Specimen Vine w/glandular hairs. Stem purple. All parts w/stiff hairs. Flower white. Tangalin, N. 2511 Kauai BISH 2011-02-11
14 Distimake aegyptius Makaha Valley near Kepuhi Point side of railroad embankment Preserved_Specimen vine, flowers white Fosberg, F.R. 10519 Oahu BISH 1933-04-23
15 Distimake aegyptius Kaimuki dry roadside Preserved_Specimen Wiebke, H. 2493 Oahu BISH 1928-02-03
16 Distimake aegyptius Honolulu, Manoa Campus, Henke Hall waste ground Preserved_Specimen Mäkinen, L. 65236 Oahu BISH 1965-11-17
17 Distimake aegyptius Diamond Head crater Preserved_Specimen vine; fl. white Christophersen, E. 1329 Oahu BISH 1930-05-11
18 Distimake aegyptius Haleiwa dry sunny pasture Preserved_Specimen Degener, O. 3236 Oahu BISH 1923-05-31
19 Distimake aegyptius Manana, Oahu Preserved_Specimen Occasional. A few bines, especially on west slope. Starr, F. 5022521 Oahu BISH 2005-02-25
20 Distimake aegyptius Mokulua North, Oahu near landing Preserved_Specimen Rare. One plant found in kiawe patch near landing which was pulled. Starr, F. 5022424 Oahu BISH 2005-02-24
21 Distimake aegyptius Smuggler's Cove Preserved_Specimen Ellshoff, Z.E. 197 Kahoolawe BISH 1991-01-25
22 Distimake aegyptius Koko Crater dry slope Preserved_Specimen vine; flower - white, 5 petals; fruit - green, 1 in diameter Hume, E.P. 16 Oahu BISH 1930-11-20
23 Distimake aegyptius Puu Keeau, near Barking Sands Very dry Preserved_Specimen Cowan, R.S. 1062 Oahu BISH 1948-07-12
24 Distimake aegyptius Puuiki roadside Preserved_Specimen weed Degener, O. 11089 Oahu BISH 1937-03-24
25 Distimake aegyptius Transect C4- from secondary road to area above lighthouse Preserved_Specimen This species was quite abundant on the western part of the island. Char, W.P. 78.068 Kahoolawe BISH 1978-11-25
26 Distimake aegyptius Honolulu District: Koko Head, Ihiihilauakea Crater Preserved_Specimen Bruegmann, M.M. 166 Oahu BISH 1985-01-26
27 Distimake aegyptius Waianae Preserved_Specimen vine, fl. white Caum, E.L. Oahu BISH 1925-01-01
28 Distimake aegyptius U.H. Manoa Campus, behind Hale Aloha Dormitories and in the Quarry Preserved_Specimen vine with white flowers Herbst, D.R. Oahu BISH 1975-04-03
29 Distimake aegyptius Lanai Preserved_Specimen Munro, G.C. 95 Lanai BISH
30 Distimake aegyptius Coral Flats Preserved_Specimen leaves palmately lobed and red-hairy Woolford, H.A. Oahu BISH 1967-02-24
31 Distimake aegyptius Pohakupa Road Preserved_Specimen Flowers white Woolford, H.A. Oahu BISH 1957-02-03
32 Distimake aegyptius Waimea Canyon Drive, ~ 1 mile from Waimea. Across road from Panini Heights Preserved_Specimen corolla white Flynn, T.W. 986 Kauai BISH 1985-01-28
33 Distimake aegyptius Coral Flats Preserved_Specimen Woolford, H.A. Oahu BISH 1957-03-11
34 Distimake aegyptius Palawai Preserved_Specimen Munro, G.C. 377 Lanai BISH 1928-08-01
35 Distimake aegyptius Papawai Pt. Ukumehame Preserved_Specimen Woolford, H.A. 71 Maui BISH 1955-12-18
36 Distimake aegyptius Paomai Preserved_Specimen Munro, G.C. 93 Lanai BISH 1913-09-14
37 Distimake aegyptius Lanai Preserved_Specimen Mann, H. 351 Lanai BISH 1864-01-01
38 Distimake aegyptius Paomai Preserved_Specimen Munro, G.C. 93 Lanai BISH 1913-09-14
39 Distimake aegyptius Laie, BYU-H hillside sandy clay Preserved_Specimen herbaceous, twining; covered with long tawny hairs 3/16; sepals ovate 1/2 long; corolla 1 in diameter; stigma 2 lobed; ovary sperical 4 lobed Tiu, C. 21 Oahu BISH 1975-03-08
40 Distimake aegyptius Salt Lake Preserved_Specimen Bryan, W.A. Oahu BISH 1903-12-13
41 Distimake aegyptius Pohakupa Road Preserved_Specimen Woolford, H.A. Oahu BISH 1957-01-26
42 Distimake aegyptius Kailua, golf course near Kaelepulu Pond Preserved_Specimen Judd Jr., A.F. Oahu BISH 1938-05-06
43 Distimake aegyptius Pohakupa Road Preserved_Specimen Woolford, H.A. Oahu BISH 1957-02-10
44 Distimake aegyptius Kahoolawe Preserved_Specimen Forbes, C.N. Kahoolawe BISH 1913-03-10
45 Distimake aegyptius W Maui, Arid dry hills on lava cliffs 15m above ocean at McGregor Point lighthouse, road to Lahaina from Kahului Preserved_Specimen Iltis, H.H. 516 Maui BISH 1967-08-06
46 Distimake aegyptius Makiki, road to Tantalus Preserved_Specimen Rock, J.F.C. 2852 Oahu BISH 1909-05-01
47 Distimake aegyptius Kaalualu Bay near South Point A vine growing in a vegetation behind the bay. Not common. Preserved_Specimen Flowers white and vegetation covered by stiff brown hairs. Whistler, W.A. 75 Hawaii BISH 1972-04-06
48 Distimake aegyptius W Maui, Olowalu In company w/Waltheria, Prosopis, & grasses. At sea level. Preserved_Specimen Densely hispid vine growing in waste areas along road. Nagata, K.M. 988 Maui BISH 1972-04-06
49 Distimake aegyptius Hawaii Volcanoes National Park About 6km from Hilina Pali along Puu Kaoene trail at ca 270m. Preserved_Specimen Flowers white ca. 2.5cm across Common; creeping in open areas. Herat, T. 894 Hawaii BISH 1974-07-05
50 Distimake aegyptius Poopoo island, small island 100 yards off southern coast native shrub: sida; native herbs: Lipochaeta lavarum, L. heterophylla, Portulaca villosa; native grasses Panicum spp., Heterogogon contortus; exotic grasses Chloris and Cenchrus ciliaris Preserved_Specimen Higashino, P.K. Lanai BISH 1982-04-05
51 Distimake aegyptius Mahukona Growing over rocks, grass and shrubs Preserved_Specimen Weedy, annual vine with white flowers. Common. Herbst, D.R. 936 Hawaii BISH 1968-02-19
52 Distimake aegyptius Koko Crater dry open slopes Preserved_Specimen vine, white flower Christophersen, E. 1312 Oahu BISH 1930-04-06
53 Distimake aegyptius Keauhou Found in lava tube opening. Alt. sea level. Preserved_Specimen Fagerlund, G.O. 364 Hawaii BISH 1943-02-17
54 Distimake aegyptius near Hakina Gulch Preserved_Specimen Degener, O. 5997 Molokai BISH 1928-04-26
55 Distimake aegyptius near Diamond Head Preserved_Specimen Forbes, C.N. 1442 Oahu BISH 1910-02-10
56 Distimake aegyptius Molokai Preserved_Specimen Stokes, J.F.G. Molokai BISH 1909-01-01
57 Distimake aegyptius Mahukona Growing over rocks, grass and shrubs Preserved_Specimen Weedy, annual vine with white flowers. Common. Herbst, D.R. 936 Hawaii BISH 1968-02-19
58 Distimake aegyptius Manele Bay, along road leading to bay Pineapple field Preserved_Specimen vine; leaves palmately compound with 5 oval leaflets, tomentose, as is entire plant. Flowers funnel shaped, white, to 2.5 cm across Spence, G. 365 Lanai BISH 1973-10-24
59 Distimake aegyptius Koolau Poko Distr, Makapuu Head, Roadside, along paved rd from ka Iwi Coast parking lot to old lighthouse on Makapuu Head. Among Leucaena, Prosopis, dense grasses, and many alien species as understory. Rainy season, so all vegetation is luxuriant and green. Preserved_Specimen Annual herbaceous twiner<1m long; stems pale green, covered in raised purple-red warts, each wart with a single hispid, simple hair emerging at the apex; leaves palmately compound, leaflets 5, all densely hairy underneath; flowers open ca 10am, odorless, corolla pure white, campanulate, bruising easily and browning where bruised; stamens and pistil white, anthers not dehisced yet, ellipsoid. Staples, G.W. 1565 Oahu BISH 2014-03-02
60 Distimake aegyptius Papawai Point Uku Mehame Dry rock head land with Lantana, Lipochaeta, Heteropogon. Preserved_Specimen Herbaceous vine 3m to 7m in length. Fl. white. Woolford, H.A. 71 Maui BISH 1955-12-18
61 Distimake aegyptius Waianae roadside Preserved_Specimen Baker, R.J. Oahu BISH 1933-03-12
62 Distimake aegyptius Honolulu, Diamond Head, E & N upper slopes and rim in thickets on floor of crater Preserved_Specimen common vine; fls white Webster, G.L. 13830 Oahu BISH 1968-06-20
63 Distimake aegyptius near Kapaula Heiau, Polihale roadside shrubbery below water tank Preserved_Specimen Stem pale green to reddish, with spots of red at bases of hairs; hairs pale green to yellowish. Flower 2.5 x 2.5 cm; pedical green with yellowish cast; calyx segments bright green with hairs straw yellow; corolla white, becoming greenish in tube; stamens white. Common vine Hume, L. 287 Kauai BISH 1988-01-17
64 Distimake aegyptius Former Naval Air Station Barbers Point, Northern Trap & Skeet Range Burnt area. Under Prosopis pallida. With Cenchrus ciliaris, Leucaena leucocephala, and Physalis angulata. Preserved_Specimen Small plants, stinging hairs. Flowers in bud. BISH staff 27 Oahu BISH 2021-04-30
65 Distimake aegyptius In Diamond Head Crater edge of swamp Preserved_Specimen Christophersen, E. 1437 Oahu BISH 1931-01-22
66 Distimake aegyptius Hoolehua Homesteads pineapple fields Preserved_Specimen vine, white flower Herbst, D.R. 5754 Molokai BISH 1976-03-11
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