Bacopa

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Bacopa is a genus of 60 aquatic plants belonging to the family Plantaginaceae. It is commonly known as waterhyssop (or water hyssop, though this is more misleading as Bacopa is not very closely related to hyssop but simply has a somewhat similar appearance).

Description

File:Bacopa monnieri W IMG 1612.jpg
Bacopa monnieri in Hyderabad, India

They are annual or perennial, with decumbent or erect stems. The leaves are opposite or whorled, and sessile. The leaf blade is regular, round to linear, and the venation is palmate or pinnate. Its stems are hairy or smooth. The flowers are produced solitary or in pairs from leaf axils, usually radially symmetrical, with five sepals and five petals, and they are usually white, blue, or purple. Dispersal and propagation is by seeds and stem fragments. Crushed leaves have a distinctive 'lemon' scent.

File:Bacopa myriophylloides.jpg
Bacopa myriophylloides

Habitat and range

Bacopa species are found in tropical and subtropical regions of the world, particularly the Americas. A few are regarded as weeds and excess stock should not be dumped in warmer regions. Most grow in moist amphibious conditions, though some like B. myriophylloides seem to be wholly aquatic.

Uses

Bacopa monnieri is used in Ayurvedic medicine.Script error: No such module "Unsubst". Preliminary clinical research found that the herb may improve cognition.[1][2][3]

Cultivation

Some of these species are commonly used in freshwater aquariums and ponds in warmer climates. Most are easy to grow and will tolerate a wide range of conditions. B. monnieri will tolerate brackish water up to 15 ppt, due to specialized adaptations that enable it to survive in saline environments. Algal infestation can be a problem in brighter lighting conditions.[4][5][6]

Species

60 species are accepted.[7]

  • Bacopa albida (Pennell) Standl.Script error: No such module "Check for unknown parameters".
  • Bacopa angulata (Benth.) Loefgr. & EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa aquatica Aubl.Script error: No such module "Check for unknown parameters".
  • Bacopa arenaria (J.A.Schmidt) Loefgr. & EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa aubletiana ScatignaScript error: No such module "Check for unknown parameters".
  • Bacopa australis V.C.SouzaScript error: No such module "Check for unknown parameters".
  • Bacopa axillaris (Benth.) Standl.Script error: No such module "Check for unknown parameters".
  • Bacopa bacopoides (Benth.) PulleScript error: No such module "Check for unknown parameters".
  • Bacopa beccabunga (Griseb.) B.L.Rob.Script error: No such module "Check for unknown parameters".
  • Bacopa bracteolata Standl.Script error: No such module "Check for unknown parameters".
  • Bacopa braunii (Ernst) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa callitrichoides (Kunth) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa caroliniana (Walter) B.L.Rob. – lemon bacopa, blue water hyssop, giant bacopa
  • Bacopa cochlearia (Huber) L.B.Sm.Script error: No such module "Check for unknown parameters".
  • Bacopa congesta Chodat & Hassl.Script error: No such module "Check for unknown parameters".
  • Bacopa connata (Pennell) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa crenata (P.Beauv.) HepperScript error: No such module "Check for unknown parameters".
  • Bacopa decumbens (Fernald) F.N.Williams[8]
  • Bacopa depressa (Benth.) Loefgr. & EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa dubia Chodat & Hassl.Script error: No such module "Check for unknown parameters".
  • Bacopa egensis (Poepp.) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa eisenii (Kellogg) Pennell – Gila River waterhyssop [9]
  • Bacopa floribunda (R.Br.) Wettst.Script error: No such module "Check for unknown parameters".
  • Bacopa gracilis (Benth.) Loefgr. & EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa gratioloides (Cham.) ChodatScript error: No such module "Check for unknown parameters".
  • Bacopa hamiltoniana (Benth.) Wettst.Script error: No such module "Check for unknown parameters".
  • Bacopa humifusa (Griseb.) B.L.Rob.Script error: No such module "Check for unknown parameters".
  • Bacopa imbricata (Benth.) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa innominata (G.Maza) Alain – tropical waterhyssop
  • Bacopa lacertosa Standl.Script error: No such module "Check for unknown parameters".
  • Bacopa lanigera (Cham. & Schltdl.) Wettst.Script error: No such module "Check for unknown parameters".
  • Bacopa laxiflora (Benth.) EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa lecomtei BonatiScript error: No such module "Check for unknown parameters".
  • Bacopa lisowskiana MielcarekScript error: No such module "Check for unknown parameters".
  • Bacopa longipes (Pennell) Standl.Script error: No such module "Check for unknown parameters".
  • Bacopa madagascariensis (Benth.) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa micromonnieria (Griseb.) B.L.Rob.Script error: No such module "Check for unknown parameters".
  • Bacopa minuta Borhidi & O.MuñizScript error: No such module "Check for unknown parameters".
  • Bacopa monnieri (L.) Wettst. – water hyssop, moneywort, herb of grace
  • Bacopa monnierioides (Cham.) B.L.Rob.Script error: No such module "Check for unknown parameters".
  • Bacopa myriophylloides (Benth.) Wettst.Script error: No such module "Check for unknown parameters".
  • Bacopa neuwiedii ScatignaScript error: No such module "Check for unknown parameters".
  • Bacopa occultans (Hiern) Hutch. & DalzielScript error: No such module "Check for unknown parameters".
  • Bacopa oxycalyx AlainScript error: No such module "Check for unknown parameters".
  • Bacopa paraguariensis (S.Moore) Hassl.Script error: No such module "Check for unknown parameters".
  • Bacopa pennellii G.M.Barroso & IchasoScript error: No such module "Check for unknown parameters".
  • Bacopa punctata Engl.Script error: No such module "Check for unknown parameters".
  • Bacopa repens (Sw.) Wettst.[8]
  • Bacopa reptans (Benth.) EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa rotundifolia (Michx.) Wettst. – disc waterhyssop
  • Bacopa salzmannii (Benth.) EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa scabra (Benth.) Descole & BorsiniScript error: No such module "Check for unknown parameters".
  • Bacopa scoparioides (Cham. & Schltdl.) ScatignaScript error: No such module "Check for unknown parameters".
  • Bacopa semiserrata (Schrank) B.L.Rob.Script error: No such module "Check for unknown parameters".
  • Bacopa serpyllifolia (Benth.) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa sessiliflora (Benth.) EdwallScript error: No such module "Check for unknown parameters".
  • Bacopa stemodioides (Pennell) PennellScript error: No such module "Check for unknown parameters".
  • Bacopa stricta (Schrad.) Wettst. ex Edwall – yerba de culebra[9]
  • Bacopa valerii Standl. & L.O.WilliamsScript error: No such module "Check for unknown parameters".
  • Bacopa verticillata (Pennell & Gleason) PennellScript error: No such module "Check for unknown parameters".

See also

References

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