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Overview

Distribution

Localities documented in Tropicos sources

Impatiens balsamina L.:
Belize (Mesoamerica)
Canada (North America)
China (Asia)
Ecuador (South America)
Guyana (South America)
India (Asia)
Mexico (Mesoamerica)
United States (North America)
Nicaragua (Mesoamerica)
Malaysia (Asia)
Colombia (South America)
Venezuela (South America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Distribution: Cultivated as an ornamental in tropical and sub-tropical regions of India, Pakistan, Sri Lanka, Malaya and also in China; introduced in Turkey and S. Europe.
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Widely cultivated, native of S.E. Asia.
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Physical Description

Morphology

Description

Plants annual, 60-100 cm tall. Stem erect, robust, base ca. 8 mm in diam., succulent, simple or branched, glabrous or laxly pubescent when young, with many fibrous roots, lower nodes swollen. Leaves alternate, sometimes lowest ones opposite; petiole 1-3 cm, adaxially shallowly sulcate, both sides with few pairs of stipitate glands; leaf blade lanceolate, narrowly elliptic, or oblanceolate, 4-12 × 1.5-3 cm, with a pair of sessile black glands toward base, both surfaces glabrous or sparsely pubescent, lateral veins 4-7 pairs, base cuneate, margin deeply serrate, apex acuminate. Inflorescences 1-flowered, or 2 or 3 flowers fascicled in leaf axils, without peduncles. Pedicels 2-2.5 cm, densely pubescent, bracteate at base; bracts linear. Flowers white, pink, or purple, simple or double petalous. Lateral sepals 2, ovate or ovate-lanceolate, 2-3 mm. Lower sepal deeply navicular, 13-19 × 4-8 mm, pubescent, abruptly narrowed into an incurved spur; spur 1-2.5 cm, slender. Upper petal orbicular, apex retuse, mucronulate, abaxial midvein narrowly carinate; lateral united petals shortly clawed, 2.3-2.5 cm, 2-lobed; basal lobes obovate-oblong, small; distal lobes suborbicular, apically retuse; auricule narrow. Stamens 5; filaments linear; anthers ovoid, apex obtuse. Ovary fusiform, densely pubescent. Capsule broadly fusiform, 1-2 cm, densely tomentose, narrowed at both ends. Seeds many, black-brown, globose, 1.5-3 mm in diam., tuberculate. Fl. Jul-Oct. 2n = 14*.
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Description

Annual, 45-60 cm tall, pubescent. Leaves lanceolate, 30-90 x 10-30 mm, serrate. Flowers white, orange, pink-red or purple, 25-30 mm long, axillary, solitary or 2(-3); pedicel up to 1-5 mm long. Lateral sepals c. 1.5 mm long, ovate, sparsely ciliate; lower sepal conical, spur 10-20 mm long, curved. Capsule broadly elliptic to fusiform, 1.2-1.4 mm long, densely tomentose, pendulous. Seeds sub-globose, minutely tuberculate.
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Elevation Range

1200-1900 m
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Diagnostic Description

Synonym

Balsamina hortensis Desportes (1816), not A. St.-Hilaire (1808).
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Ecology

Habitat

Habitat & Distribution

A common ornamental plant, widely cultivated in gardens and houses throughout China [native to SE Asia; cultivated worldwide].
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Associations

In Great Britain and/or Ireland:
Foodplant / spot causer
pycnidium of Ascochyta coelomycetous anamorph of Ascochyta impatientis causes spots on live leaf of Impatiens balsamina

Foodplant / pathogen
sporangium of Plasmopara obducens infects and damages pale green leaf of Impatiens balsamina

Foodplant / parasite
Podosphaera balsaminae parasitises Impatiens balsamina

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Life History and Behavior

Cyclicity

Flower/Fruit

Fl. Per.: Late August-September.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Impatiens balsamina

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Impatiens balsamina

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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Wikipedia

Impatiens balsamina

Flowers at Kolkata, West Bengal, India
Flowers at Kolkata, West Bengal, India

Impatiens balsamina (Garden Balsam, Rose Balsam, Touch me Not) is a species of Impatiens native to southern Asia in India and Myanmar.It is called kamantigue in the Philippines. This species of Kalamantigue are used in teas. Boil the seeds after drying and you will get a tea.[1]

The ripe seed pods explosively burst when touched, giving rise to the name "Touch me Not".[2]

It is an annual plant growing to 20–75 cm tall, with a thick, but soft stem. The leaves are spirally-arranged, 2.5–9 cm long and 1–2.5 cm broad, with a deeply toothed margin. The flowers are red, pink, purple, or white, and 2.5–5 cm diameter; they are pollinated by bees and other insects, and also by nectar-feeding birds.[3]

Different parts of the plant are used to treat disease and skin afflctions; the leaves, seeds, and stems are also edible if cooked. Juice from balsam leaves treats warts and also snakebite, while the flower can be applied to burns to cool the skin.[4] Impatiens balsamina L. has been used as indigenous medicine in Asia for the treatment of rheumatism, fractures, and fingernail inflammation. In Korean folk medicine Impatiens ('Bong Seon Wha Dae') has been used to cure constipation and acute gastritis by meat.[5] One in vitro study found Impatiens, especially the seed pod to have antibacterial activity against Multiple Antibiotic-Resistant Helicobacter pylori.[6] It inhibits 5alpha-reductase, so may have potential medicinal use in male BPH/LUTs[7] It is widely cultivated as an ornamental plant, and has become naturalised and invasive on several Pacific Ocean islands.[2]

Contents

Chemistry

Naphthoquinones; lawsone, lawsone methyl ether and methylene-3,3'-bilawsone are the main active compounds of Impatiens balsamina leaves.[8] Balsam also contains kaempferol [9] and Baccharane glycosides were found in the seeds.[10]

Common name

Garden Balsam in english,Karna Kundala in Kannada and Gul Mehendi in hindi.

References

  1. ^ Germplasm Resources Information Network: Impatiens balsamina
  2. ^ a b Pacific Island Ecosystems at Risk: Impatiens balsamina
  3. ^ Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.
  4. ^ Plants for a Future: Impatiens balsamina
  5. ^ Park J.H., Kim J.M., Do W.I. "Pharmacognostical studies on the folk medicine 'Bong Seon Wha Dae'" Korean Journal of Pharmacognosy 2003 34:3 (193-196)
  6. ^ "In vitro Activity of Impatiens balsamina L. Against Multiple Antibiotic-Resistant Helicobacter pylori." Wang YC, Wu DC, Liao JJ, Wu CH, Li WY, Weng BC Am J Chin Med. 2009;37(4):713-22
  7. ^ Ishiguro K. Oku H. Kato T."Testosterone 5alpha-reductase inhibitor bisnaphthoquinone derivative from Impatiens balsamina." Phytotherapy Research. 14(1):54-6, 2000 Feb.
  8. ^ Sakunphueak A, Panichayupakaranant P "Simultaneous determination of three naphthoquinones in the leaves of Impatiens balsamina L. by reversed-phase high-performance liquid chromatography." Phytochem Anal. 2010 Sep-Oct;21(5):444-50
  9. ^ Hua L., Peng Z., Chia L.S., Goh N.K., Tan S.N. "Separation of kaempferols in Impatiens balsamina flowers by capillary electrophoresis with electrochemical detection" Journal of Chromatography A 2001 909:2 (297-303)
  10. ^ Li HJ, Yu JJ, Li P "Simultaneous qualification and quantification of baccharane glycosides in Impatientis Semen by HPLC-ESI-MSD and HPLC-ELSD." J Pharm Biomed Anal. 2010 Oct 27
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Notes

Comments

The flowers and leaves are often used for coloring fingernails. The stem and seeds are used medicinally for promoting blood circulation and for relieving pain and sore throats.
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Comments

The ‘garden balsam’ or ‘touch-me-not’ is variable in the size of the plant, pubescence and colour of the flower. There are several varieties known, e.g. the red flowered var. coccinea K.&.K. (Impatiens coccinea Wall. Cat. no. 4732).
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