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Bruguiera sexangula

(Lour.) Poir. (1816)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malpighiales Family: Rhizophoraceae Genus: Bruguiera

kukunaokalā, oriental mangrove

Description

Key Characters:

Growth Form: Trees 6–8(–15) m tall, d.b.h. 15–35 cm.

Stems: Bark gray to pale brown, smooth. Trunk basally buttressed.

Roots: Often with a cone of stilt roots at base of stem.

Leaves: Leaves simple. Opposite. Blades elliptic, elliptic-oblong, or rarely oblanceolate, 8-13(-16) × 3-6 cm. Apex acute. Base cuneate to rarely obtuse. Margins entire. Petioles yellowish, 1.5-3.5 cm. Stipules green or yellowish, 3.5-4 cm.

Flowers: Pedicel 6-12 mm. Flowers solitary, yellow, 2.7-4 cm. Calyx tube 1-1.5 cm; lobes 9-13, ca. 2 cm. Petals 1-1.5 cm, margin with a tuft of hairs, apex 2-lobed; lobes obtuse, with 1 or 2 short bristles less than 1.5 mm, bristles not exceeding lobes. Stamens 0.7-1.4 cm. Style 1.5-2.2 cm, apical branches to 0.5 mm. Ovary inferior, 2-4-loculed; ovules 2 per locule; style lobes 2-4.

Fruit: Fruit 1.5-1.8 cm; campanulate. Fruiting calyx tube ± distinctly ribbed. Hypocotyl cigar-shaped; ± angular; 6-8 cm. Seeds usually solitary; viviparous; hypocotyl terete (cylindrical) or obscurely ribbed.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Only found in cultivation
O'ahu Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: J.B.A.M.de Lamarck, Encycl., Suppl. 4: 262 (1816)

Other References

Wagner et al. 1990:1099 (O [as B. gymnorrhiza]); Herbst & Wagner 1999:31 (B. gymnorrhiza misapplied = B. sexangula)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Bruguiera sexangula Heeia salt marsh at side of long bridge Preserved_Specimen Degener, O. 7985 Oahu BISH 1932-08-02
2 Bruguiera sexangula Heeia Fishpond naturalized forest of mangrove in the fishpond which we are harvesting to build the hale at Lyon Arboretum. Preserved_Specimen Dunn, L. 549 Oahu BISH 2010-07-06
3 Bruguiera sexangula Heeia, Bridge mangrove swamp Preserved_Specimen Fosberg, F.R. 27122 Oahu BISH 1946-10-20
4 Bruguiera sexangula Heeia, Bridge salt marsh Preserved_Specimen Degener, O. 8799 Oahu BISH 1932-02-22
5 Bruguiera sexangula Heeia Stream, on mudflat between the stream and Heeia Fishpond A small 7 ft. tall spreading tree. This mangrove grows interspersed with the dominant Rhizophora mangle and can be distinguished by its acuminate leaf tips, red/orange tinge to the leaves, and root callus bumps on the lower stem. Preserved_Specimen Imada, C. 200137 Oahu BISH 2001-05-25
6 Bruguiera sexangula Heeia State Park, Kaneohe, Oahu Growing on sandy bank along Heeia Stream near mouth to ocean, flooded tidally with brackish to salt water. Preserved_Specimen Crago, L.M. 2005061 Oahu BISH 2005-02-11
7 Bruguiera sexangula Heeia, Bridge mangrove swamp Preserved_Specimen Fosberg, F.R. 27134 Oahu BISH 1946-10-23
8 Bruguiera sexangula koloa district NTBG's allerton garden in Lawai Valley Preserved_Specimen Lorence, D.H. 9180 Kauai BISH 2004-01-05
9 Bruguiera sexangula Waikane sea shore near long bridge Preserved_Specimen Hosaka, E.Y. 287 Oahu BISH 1930-08-09
10 Bruguiera sexangula Heeia tidal swamp Preserved_Specimen Christophersen, E. 3651 Oahu BISH 1932-01-31
11 Bruguiera sexangula Heeia salt marsh near bridge Preserved_Specimen Degener, O. 9381 Oahu BISH 1932-08-28
12 Bruguiera sexangula Kaneohe Bay mangrove thicket Preserved_Specimen Gillett, G.W. 1856 Oahu BISH 1966-01-29
13 Bruguiera sexangula Heeia salt marsh Preserved_Specimen Degener, O. 7984 Oahu BISH 1932-08-28
14 Bruguiera sexangula Heeia Preserved_Specimen Degener, O. Oahu BISH 1932-08-29
15 Bruguiera sexangula Haleiwa, near Waialua, alongside Paukauila Stream Preserved_Specimen Krauss, K.W. Oahu BISH 1998-03-12
16 Bruguiera sexangula Haleiwa, alongside Anahulu River Preserved_Specimen Krauss, K.W. Oahu BISH 1998-03-12
17 Bruguiera sexangula Alongside Anahulu River, Haleiwa Preserved_Specimen Krauss, K.W. Oahu BISH 1998-03-12
18 Bruguiera sexangula Haleiwa, alongside the Anahulu River Preserved_Specimen Krauss, K.W. Oahu BISH 1998-03-12
19 Bruguiera sexangula Heeia, Bridge Preserved_Specimen Egler, F.E. 3786 Oahu BISH 1937-07-04
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