Difference between revisions of "Bacopa monnieri"

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Common names:  Herb of grace; Monnier's water-hyssop
 
Common names:  Herb of grace; Monnier's water-hyssop
 
==Taxonomic notes==
 
==Taxonomic notes==
Synonym: ''Bramia monnieri'' (Linnaeus) Drake <ref name= "Weakley"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium. </ref>
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Synonym: ''Bramia monnieri'' (Linnaeus) Drake. <ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>
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Varieties: None.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>
  
 
==Description==  
 
==Description==  
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
''Baccharis'' genus are dioecious, glabrous shrubs. They are rarely small trees. The leaves are alternate, fleshy, toothed or entire. The heads pedunculated or sessile, most of the time in 3-5 glomerules. The involucres are cylindric, 4-5 mm long, 2.5-3.5 mm broad. The bracts are imbricate, sometimes purplish in color, and obtuse. The flowers are discoid and yellowish in color. The nutlets are tan in color, lustrous, cylindric, 10-ribbed, glabrous, and 1.2-1.5 mm long. The pappus bristles are white to tan in color. The capillary is 7-10 mm long.<ref name="Radford">Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 938. Print.</ref>
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The ''B. monnieri'' plant has no smell. The erect portion of the stem is 10 - 30 cm tall and is glabrous. The leaves are obovate in shape, 6 - 17 mm long, 3 - 8 mm wide, and only have a single vein (rarely 2-3 veins). The internodes are longer than the leaves. The pedicel is longer than the subtending leaf. The bractlets are present. The largest sepals grow up to 5 - 7 mm long, and 3 - 4 mm wide. The flower is white in color and sometimes tinged with blue and is rotate to regular, growing up to 8 - 10 mm long. The lobes grow to the same size as the tube. There are 4 stamens which are subequal.<ref name="radford">.Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 580-2. Print.</ref>
 
 
Specifically for ''B. monnieri'', the plant has no smell. The erect portion of the stem is 1-3 dm tall and is glabrous. The leaves are obovate in shape, 6-17 mm long, 3-8 mm wide, and only having a single vein. It is rare to see 2-3 veins. The internodes are longer than the leaves. The pedicel is longer than the subtending leaf. The bractlets are present. The largest sepals grow up to 5-7 mm long, and 3-4 mm wide. The corolla is white in color and sometimes tinged with blue. The corolla is rotate to regular, growing up to 8-10 mm long. The lobes grow to the same size as the tube. There are 4 stamens which are subequal. Flowers from April to frost.<ref name="Radford"></ref>
 
  
 
==Distribution==
 
==Distribution==
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In the Coastal Plain in Florida, ''B. monnieri'' has been found in shallow water of a shaded ditch; with ''Eleocharis flavescens'' in muck of small floating island in a ditch; sand fill near a salt marsh; and shallow brackish water.<ref name="FSU">Florida State University Robert K. Godfrey Herbarium database. URL: [http://herbarium.bio.fsu.edu http://herbarium.bio.fsu.edu]. Last accessed: July 2015. Collectors: Loran C. Anderson, Karen MacClendon, Travis MacClendon, R.A. Norris, P.L. Redfearn Jr.,  Nia Wellendorf. States and Counties: Florida: Calhoun, Jefferson, Taylor, Wakulla. Compiled by Tall Timbers Research Station and Land Conservancy.</ref>
 
In the Coastal Plain in Florida, ''B. monnieri'' has been found in shallow water of a shaded ditch; with ''Eleocharis flavescens'' in muck of small floating island in a ditch; sand fill near a salt marsh; and shallow brackish water.<ref name="FSU">Florida State University Robert K. Godfrey Herbarium database. URL: [http://herbarium.bio.fsu.edu http://herbarium.bio.fsu.edu]. Last accessed: July 2015. Collectors: Loran C. Anderson, Karen MacClendon, Travis MacClendon, R.A. Norris, P.L. Redfearn Jr.,  Nia Wellendorf. States and Counties: Florida: Calhoun, Jefferson, Taylor, Wakulla. Compiled by Tall Timbers Research Station and Land Conservancy.</ref>
  
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
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===Phenology=== <!--Timing off flowering, fruiting, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
''B. monnieri'' has been observed to flower in June and July and fruit in June.<ref name="FSU"></ref><ref>Nelson, G.  [http://www.gilnelson.com/ PanFlora]: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/  Accessed: 7 DEC 2016</ref>
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''B. monnieri'' has been observed to flower in June and July and fruit in June.<ref name="FSU"></ref><ref>Nelson, G.  [http://www.gilnelson.com/ PanFlora]: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/  Accessed: 7 DEC 2016</ref> Other sources say the plant flowers from April to frost.<ref name="radford"></ref>
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===Pollination===
 
===Pollination===
The following Hymenoptera families and species were observed visiting flowers of ''Bacopa monnieri'' at Archbold Biological Station<ref>Deyrup, M.A. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref>:
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''Bacopa monnieri'' has been observed at the Archbold Biological Station with sweat bees from the Halictidae family such as ''Lasioglossum pectoralis,'' and ''L. puteulanum'' and leafcutting bees from the Megachilidae family such as ''Megachile brevis pseudobrevis,'' and ''M. georgica''.<ref>Deyrup, M.A. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref>:
 
 
Halictidae: ''Lasioglossum pectoralis, L. puteulanum''
 
  
Megachilidae: ''Megachile brevis pseudobrevis, M. georgica''
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<!--===Herbivory and toxicology===-->
<!--===Use by animals===--><!--Herbivory, granivory, insect hosting, etc.-->
 
 
<!--===Diseases and parasites===-->
 
<!--===Diseases and parasites===-->
  
==Conservation and management==
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==Conservation, cultivation, and restoration==
  
==Cultivation and restoration==
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==Cultural use==
 
==Photo Gallery==
 
==Photo Gallery==
 
<gallery widths=180px>
 
<gallery widths=180px>
 
</gallery>
 
</gallery>
 
==References and notes==
 
==References and notes==

Latest revision as of 15:46, 15 June 2022

Bacopa monnieri
Baco monn.jpg
Photo by Wayne Matchett, SpaceCoastWildflowers.com
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Scrophulariales
Family: Scrophulariaceae
Genus: Bacopa
Species: B. monnieri
Binomial name
Bacopa monnieri
(L.) Pennell
BACO MONN dist.jpg
Natural range of Bacopa monnieri from USDA NRCS Plants Database.

Common names: Herb of grace; Monnier's water-hyssop

Taxonomic notes

Synonym: Bramia monnieri (Linnaeus) Drake. [1]

Varieties: None.[1]

Description

The B. monnieri plant has no smell. The erect portion of the stem is 10 - 30 cm tall and is glabrous. The leaves are obovate in shape, 6 - 17 mm long, 3 - 8 mm wide, and only have a single vein (rarely 2-3 veins). The internodes are longer than the leaves. The pedicel is longer than the subtending leaf. The bractlets are present. The largest sepals grow up to 5 - 7 mm long, and 3 - 4 mm wide. The flower is white in color and sometimes tinged with blue and is rotate to regular, growing up to 8 - 10 mm long. The lobes grow to the same size as the tube. There are 4 stamens which are subequal.[2]

Distribution

Ecology

Habitat

In the Coastal Plain in Florida, B. monnieri has been found in shallow water of a shaded ditch; with Eleocharis flavescens in muck of small floating island in a ditch; sand fill near a salt marsh; and shallow brackish water.[3]

Phenology

B. monnieri has been observed to flower in June and July and fruit in June.[3][4] Other sources say the plant flowers from April to frost.[2]


Pollination

Bacopa monnieri has been observed at the Archbold Biological Station with sweat bees from the Halictidae family such as Lasioglossum pectoralis, and L. puteulanum and leafcutting bees from the Megachilidae family such as Megachile brevis pseudobrevis, and M. georgica.[5]:


Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  2. 2.0 2.1 .Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 580-2. Print.
  3. 3.0 3.1 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: July 2015. Collectors: Loran C. Anderson, Karen MacClendon, Travis MacClendon, R.A. Norris, P.L. Redfearn Jr., Nia Wellendorf. States and Counties: Florida: Calhoun, Jefferson, Taylor, Wakulla. Compiled by Tall Timbers Research Station and Land Conservancy.
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 7 DEC 2016
  5. Deyrup, M.A. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.