img

Thunbergia grandiflora

Roxb. (1820)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Acanthaceae Genus: Thunbergia

bengal trumpet, bengal trumpet vine, blue trumpet vine, large-flowered thunbergia, trumpet vine

img img

Description

Key Characters:

Growth Form: Lianas.

Stems:

Roots:

Leaves: Leaves simple. Opposite and decussate (pairs of leaves alternating 90 degrees between nodes). Blades hastate–ovate, (8–)11–22 cm long, 3–15 cm wide. Surfaces pubescent. Margins with widely spaced triangular, acute to rounded teeth. Petioles 1-7 cm, grooved, pubescent. Stipules absent.

Flowers: Flowers often in pendant inflorescences. Flowers bisexual (perfect). Each subtended by ovate bracts 25–40 mm long. Calyx reduced to a truncate, ring-like structure. Corolla 5-lobed, showy, blue or white, 5–7.5 cm long. Stamens 4, in pairs, inserted on the corolla alternate with the lobes, sometimes 1 or more reduced to staminodes; anthers dithecal, opening by longitudinal slits. Ovary superior, 2-carpellate; ovule placentation axile; style filiform, simple.

Fruit: Capsules with two cells; usually dehiscing explosively; subglobose; with a conspicuous sterile beak 1–2 cm long. Seeds not on a modified funiculus that ejects the seeds from the capsule.

Ploidy: 2n = 56

Habitat: Sparingly adventive along hiking trails or margins of urban areas.

Elevation Range:

Historical Distribution

Images

img
img
img

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Vegetative Reproduction

Pollinators

Notes

  • Description digitized by Pumehana Imada
  • Native to India; in Hawai‘i cultivated

Bibliography

Name Published In: Bot. Reg. 6: 6 (1820)

Other References

Wagner, W. L., Herbst, D. R., & Sohmer, S. H. (1999). Manual of the Flowering Plants of Hawai'i, Vols. 1 and 2 (No. Edn 2). University of Hawai'i and Bishop Museum Press.

Wagner et al. 1990:175 (K, O, H); Starr et al. 2002:16 (EM); Staples & Herbst 2005:81, 93 (KEY), 94 (DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN Ray, G. 7 Oahu BISH 5/31/1997
2 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start PRESERVED_SPECIMEN Vladimir J. Krajina 620304001 Oahu HAPI 3/4/1962
3 Thunbergia grandiflora Roxb. Hakalau Forest National Wildlife Refuge, Hawaii County, US-HI, US Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN G. J. Ray 7 Hawaii HAPI 5/31/1997
4 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN Ray, G. Gibney, E. Collector Number: 7 Oahu BISH 5/31/1997
5 Thunbergia grandiflora Roxb. honolulu, foster botanic garden Intertwined in shrubbery in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1399 Oahu BISH 9/8/1985
6 Thunbergia grandiflora Roxb. east maui, makawao, near maliko gulch, in abandoned yard behind hui noeau pottery shed PRESERVED_SPECIMEN starr, f. martz, k. collector number: 980408-130 Hawaii BISH 4/8/1998
7 Thunbergia grandiflora Roxb. manoa falls trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN ray, g. gibney, e. collector number: 7 Oahu BISH 5/31/1997
8 Thunbergia grandiflora Roxb. koloa district, lawai valley. the allerton estate at lawai-kai PRESERVED_SPECIMEN flynn, t. collector number: 5598 Kauai BISH 8/15/1994
9 Thunbergia grandiflora Roxb. koloa district, lawai valley, allerton garden, lawai kai, from "jungle garden" area Near coast. PRESERVED_SPECIMEN lorence, d.h. flynn, t. collector number: 7456 Kauai BISH 5/16/1994
10 Thunbergia grandiflora Roxb. East Maui, Makawao, near Maliko Gulch, in abandoned yard behind Hui Noeau pottery shed Plants climbing into canopy of mature trees. Sparingly naturalized. PRESERVED_SPECIMEN Starr, F. Martz, K. Collector Number: 980408-130 Maui BISH 4/8/1998
11 Thunbergia grandiflora Roxb. university of hawaii campus, honolulu PRESERVED_SPECIMEN krajina, v.j. collector number: 620530008 Oahu BISH 5/30/1962
12 Thunbergia grandiflora Roxb. Oahu Island, Honolulu, University of Hawaii campus PRESERVED_SPECIMEN Vladimir J. Krajina 620304001 UBC 3/4/1962
13 Thunbergia grandiflora Roxb. oahu. manoa valley, manoa falls trail, 200m up trail from trailhead Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN g. j. ray 7 NY 5/31/1997
14 Thunbergia grandiflora Roxb. Oahu. Manoa Valley, Manoa Falls Trail, 200m up trail from trailhead Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN G. J. Ray 7 NY 5/31/1997
15 Thunbergia grandiflora Roxb. hawaiian islands. oahu, wahiawa, p.p.c.a. exp. sta. PRESERVED_SPECIMEN h. st. john 18400 US 9/29/1937
16 Thunbergia grandiflora Roxb. hspa forest nursery, manoa valley PRESERVED_SPECIMEN t. g. yuncker 3549 Oahu US 4/10/1933
17 Thunbergia grandiflora Roxb. Honolulu, Kapalama, in Kamehameha Girls' School Arboretum PRESERVED_SPECIMEN Rankin, P. 2 Oahu BISH 5/2/1939
18 Thunbergia grandiflora Roxb. foster botanic garden PRESERVED_SPECIMEN j. lau 1399 Oahu US 9/8/1985
19 Thunbergia grandiflora Roxb. along manoa falls trail, below arboretum PRESERVED_SPECIMEN herbst, d.r. collector number: 5356 Oahu BISH 6/12/1975
20 Thunbergia grandiflora Roxb. Koloa District, Lawai Valley, Allerton Garden, Lawai Kai, from "Jungle Garden" area Near coast. PRESERVED_SPECIMEN Lorence, D.H. 7456 Kauai BISH 5/16/1994
21 Thunbergia grandiflora Roxb. South Hilo District, near Papaikou; Mamalahoa Hwy Growing on steep roadcut of highway. PRESERVED_SPECIMEN Cuddihy, L.W. 2089 Hawaii BISH 10/11/1987
22 Thunbergia grandiflora Roxb. East Maui, Makawao, near Maliko Gulch, in abandoned yard behind Hui Noeau pottery shed Plants climbing into canopy of mature trees. Sparingly naturalized. PRESERVED_SPECIMEN Starr, F. 980408-130 Maui BISH 4/8/1998
23 Thunbergia grandiflora Roxb. Koloa District, Lawai Valley. the Allerton Estate at Lawai-Kai PRESERVED_SPECIMEN Flynn, T. 5598 Kauai BISH 8/15/1994
24 Thunbergia grandiflora Roxb. Along rd 0.6 mi from end of Hwy 56, near Limahuli Garden PRESERVED_SPECIMEN Wagner, W.L. 5163 Kauai BISH 12/21/1983
25 Thunbergia grandiflora Roxb. Honolulu, Foster Botanic Garden Intertwined in shrubbery in full sun. PRESERVED_SPECIMEN Lau, J. 1399 Oahu BISH 9/8/1985
26 Thunbergia grandiflora Roxb. University of Hawaii campus, Honolulu PRESERVED_SPECIMEN Krajina, V.J. 620530008 Oahu BISH 5/30/1962
27 Thunbergia grandiflora Roxb. Along Manoa Falls Trail, below Arboretum PRESERVED_SPECIMEN Herbst, D.R. 5356 Oahu BISH 6/12/1975
28 Thunbergia grandiflora Roxb. honolulu, kapalama, in kamehameha girls' school arboretum Frequent in grassy areas. PRESERVED_SPECIMEN rankin, p. collector number: 2 Hawaii BISH 5/2/1939
29 Thunbergia grandiflora Roxb. south hilo district, near papaikou; mamalahoa hwy Growing on steep roadcut of highway. PRESERVED_SPECIMEN cuddihy, l.w. collector number: 2089 Hawaii BISH 10/11/1987
30 Thunbergia grandiflora Roxb. along rd 0.6 mi from end of hwy 56, near limahuli garden PRESERVED_SPECIMEN wagner, w.l. mill, s.w.; mill, b.; peterson, g.; flynn, t. collector number: 5163 Kauai BISH 12/21/1983
31 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN Ray, G. 7 Oahu BISH 5/31/1997
32 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start PRESERVED_SPECIMEN Vladimir J. Krajina 620304001 Oahu HAPI 3/4/1962
33 Thunbergia grandiflora Roxb. Hakalau Forest National Wildlife Refuge, Hawaii County, US-HI, US Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN G. J. Ray 7 Hawaii HAPI 5/31/1997
34 Thunbergia grandiflora Roxb. Manoa Falls Trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN Ray, G. Gibney, E. Collector Number: 7 Oahu BISH 5/31/1997
35 Thunbergia grandiflora Roxb. honolulu, foster botanic garden Intertwined in shrubbery in full sun. PRESERVED_SPECIMEN lau, j. collector number: 1399 Oahu BISH 9/8/1985
36 Thunbergia grandiflora Roxb. east maui, makawao, near maliko gulch, in abandoned yard behind hui noeau pottery shed PRESERVED_SPECIMEN starr, f. martz, k. collector number: 980408-130 Hawaii BISH 4/8/1998
37 Thunbergia grandiflora Roxb. manoa falls trail, 200 m up from start wet forest, stream bank; with Albizia, Ficus PRESERVED_SPECIMEN ray, g. gibney, e. collector number: 7 Oahu BISH 5/31/1997
38 Thunbergia grandiflora Roxb. koloa district, lawai valley. the allerton estate at lawai-kai PRESERVED_SPECIMEN flynn, t. collector number: 5598 Kauai BISH 8/15/1994
39 Thunbergia grandiflora Roxb. koloa district, lawai valley, allerton garden, lawai kai, from "jungle garden" area Near coast. PRESERVED_SPECIMEN lorence, d.h. flynn, t. collector number: 7456 Kauai BISH 5/16/1994
40 Thunbergia grandiflora Roxb. East Maui, Makawao, near Maliko Gulch, in abandoned yard behind Hui Noeau pottery shed Plants climbing into canopy of mature trees. Sparingly naturalized. PRESERVED_SPECIMEN Starr, F. Martz, K. Collector Number: 980408-130 Maui BISH 4/8/1998
41 Thunbergia grandiflora Roxb. university of hawaii campus, honolulu PRESERVED_SPECIMEN krajina, v.j. collector number: 620530008 Oahu BISH 5/30/1962
42 Thunbergia grandiflora Roxb. Oahu Island, Honolulu, University of Hawaii campus PRESERVED_SPECIMEN Vladimir J. Krajina 620304001 UBC 3/4/1962
43 Thunbergia grandiflora Roxb. oahu. manoa valley, manoa falls trail, 200m up trail from trailhead Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN g. j. ray 7 NY 5/31/1997
44 Thunbergia grandiflora Roxb. Oahu. Manoa Valley, Manoa Falls Trail, 200m up trail from trailhead Wet forest, stream bank, degraded, no natives PRESERVED_SPECIMEN G. J. Ray 7 NY 5/31/1997
45 Thunbergia grandiflora Roxb. hawaiian islands. oahu, wahiawa, p.p.c.a. exp. sta. PRESERVED_SPECIMEN h. st. john 18400 US 9/29/1937
46 Thunbergia grandiflora Roxb. hspa forest nursery, manoa valley PRESERVED_SPECIMEN t. g. yuncker 3549 Oahu US 4/10/1933
47 Thunbergia grandiflora Roxb. Honolulu, Kapalama, in Kamehameha Girls' School Arboretum PRESERVED_SPECIMEN Rankin, P. 2 Oahu BISH 5/2/1939
48 Thunbergia grandiflora Roxb. foster botanic garden PRESERVED_SPECIMEN j. lau 1399 Oahu US 9/8/1985
49 Thunbergia grandiflora Roxb. along manoa falls trail, below arboretum PRESERVED_SPECIMEN herbst, d.r. collector number: 5356 Oahu BISH 6/12/1975
50 Thunbergia grandiflora Roxb. Koloa District, Lawai Valley, Allerton Garden, Lawai Kai, from "Jungle Garden" area Near coast. PRESERVED_SPECIMEN Lorence, D.H. 7456 Kauai BISH 5/16/1994
51 Thunbergia grandiflora Roxb. South Hilo District, near Papaikou; Mamalahoa Hwy Growing on steep roadcut of highway. PRESERVED_SPECIMEN Cuddihy, L.W. 2089 Hawaii BISH 10/11/1987
52 Thunbergia grandiflora Roxb. East Maui, Makawao, near Maliko Gulch, in abandoned yard behind Hui Noeau pottery shed Plants climbing into canopy of mature trees. Sparingly naturalized. PRESERVED_SPECIMEN Starr, F. 980408-130 Maui BISH 4/8/1998
53 Thunbergia grandiflora Roxb. Koloa District, Lawai Valley. the Allerton Estate at Lawai-Kai PRESERVED_SPECIMEN Flynn, T. 5598 Kauai BISH 8/15/1994
54 Thunbergia grandiflora Roxb. Along rd 0.6 mi from end of Hwy 56, near Limahuli Garden PRESERVED_SPECIMEN Wagner, W.L. 5163 Kauai BISH 12/21/1983
55 Thunbergia grandiflora Roxb. Honolulu, Foster Botanic Garden Intertwined in shrubbery in full sun. PRESERVED_SPECIMEN Lau, J. 1399 Oahu BISH 9/8/1985
56 Thunbergia grandiflora Roxb. University of Hawaii campus, Honolulu PRESERVED_SPECIMEN Krajina, V.J. 620530008 Oahu BISH 5/30/1962
57 Thunbergia grandiflora Roxb. Along Manoa Falls Trail, below Arboretum PRESERVED_SPECIMEN Herbst, D.R. 5356 Oahu BISH 6/12/1975
58 Thunbergia grandiflora Roxb. honolulu, kapalama, in kamehameha girls' school arboretum Frequent in grassy areas. PRESERVED_SPECIMEN rankin, p. collector number: 2 Hawaii BISH 5/2/1939
59 Thunbergia grandiflora Roxb. south hilo district, near papaikou; mamalahoa hwy Growing on steep roadcut of highway. PRESERVED_SPECIMEN cuddihy, l.w. collector number: 2089 Hawaii BISH 10/11/1987
60 Thunbergia grandiflora Roxb. along rd 0.6 mi from end of hwy 56, near limahuli garden PRESERVED_SPECIMEN wagner, w.l. mill, s.w.; mill, b.; peterson, g.; flynn, t. collector number: 5163 Kauai BISH 12/21/1983
Back to Top