Laguncularia racemosa

(Linnaeus) C. F. Gaertner

Suppl. Carp., 209. 1807.

Common names: White mangrove
Basionym: Conocarpus racemosus Linnaeus Syst. Nat. ed. 10, 2: 930. 1759
Treatment appears in FNA Volume 10.
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Shrubs or trees to 10 (–20) m. Leaves: petiole 6–15 mm; blade ovate to obovate, oblong, or suborbiculate, 2–9.7 × 1.4–5 cm, base obtuse to rounded, folded longitudinally when young, with a faint longitudinal line each side of midvein in age. Spikes (or spicate units of panicles), 2–13 cm. Flowers: sepals 1 mm; stamens 1.5–2 mm; style 1–2 mm. Drupes greenish or gray-green [reddish green], 13–20 × 5–9 mm, pubescent [glabrous].


Phenology: Flowering spring–early summer.
Habitat: Tidal swamps, mangrove communities.
Elevation: 0 m.

Distribution

Fla., Tex., e Mexico, West Indies, Central America, South America, w Africa

Discussion

Laguncularia racemosa is an important component of mangrove swamps in central and southern Florida (extending northward to Levy County on the Gulf Coast and to Volusia County on the Atlantic Coast); it also recently has been reported from Willacy County, Texas. The species is occasionally cultivated as an ornamental tree or shrub in coastal situations. The flowers are quite fragrant and are pollinated by bees. The fruits are semiviviparous, the green embryo piercing the seed coat while the fruit is still on the tree. Some populations have some plants with bisexual flowers and others with staminate flowers, while in others all flowers are bisexual. The frequency of staminate plants in Florida is variable (0–68%).

Selected References

None.

Lower Taxa

None.
... more about "Laguncularia racemosa"
dorsifixed +
rounded +  and obtuse +
Walter S. Judd +
(Linnaeus) C. F. Gaertner +
obtuse +  and rounded +
Conocarpus racemosus +
brochidodromous +
2 cm20 mm <br />0.02 m <br /> (9.7 cm97 mm <br />0.097 m <br />) +
ovate +  and obovate oblong or suborbiculate +
fleshy-leathery +
1.4 cm14 mm <br />0.014 m <br /> (5 cm50 mm <br />0.05 m <br />) +
persistent +
mucilaginous +
mucilaginous +
White mangrove +
twisted +  and folded +
Fla. +, Tex. +, e Mexico +, West Indies +, Central America +, South America +  and w Africa +
gray-green +  and greenish +
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ridged +, oblong +  and obovoid +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
included +  and long-exserted +
inconspicuous +
winged +  and ribbed +
dry +  and spongy or fleshy +
Tidal swamps, mangrove communities. +
short-stipitate +, thick-walled +, unicellular +  and eglandular +
straight +
sharp-pointed +
free +  and adnate +
decussate +  and opposite +
persistent +
unarmed +  and armed +
aquatic +, amphibious +  and terrestrial +
polygamous +, dioecious +  and monoecious +
unlobed +  and lobed +
flattened +
crassinucellate +  and bitegmic +
anatropous +  and pendulous +
valvate +  and imbricate +
greenish white +
distinct +
orbiculate +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
differentiated +
Flowering spring–early summer. +
2-5-carpellate +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Suppl. Carp., +
imbricate +  and valvate +
list +  and count +
triangular +
1 cm10 mm <br />0.01 m <br /> (?) +
unarmed +  and armed +
1,000 cm10,000 mm <br />10 m <br /> (2,000 cm20,000 mm <br />20 m <br />) +
aquatic +, amphibious +  and terrestrial +
polygamous +, dioecious +  and monoecious +
0 cm0 mm <br />0 m <br /> (1,000 cm10,000 mm <br />10 m <br />) +
2 cm20 mm <br />0.02 m <br /> (13 cm130 mm <br />0.13 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
circular to elliptic +
straight +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Laguncularia racemosa +
Laguncularia +
species +
parenchymatous +
unarmed +  and armed +
1,000 cm10,000 mm <br />10 m <br /> (2,000 cm20,000 mm <br />20 m <br />) +
aquatic +, amphibious +  and terrestrial +
polygamous +, dioecious +  and monoecious +
0 cm0 mm <br />0 m <br /> (1,000 cm10,000 mm <br />10 m <br />) +
hairy +  and glabrous +