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Gentiana pneumonanthe - L.

Common Name Marsh Gentian
Family Gentianaceae
USDA hardiness Coming soon
Known Hazards None known
Habitats Boggy meadows, fens, moist heaths and sandy or peaty clearings in woods[239]. Very local and decreasing in Britain[17].
Range Europe, including Britain, from Scandanavia south and east to Spain, Macedonia, Caucasus and Siberia
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Gentiana pneumonanthe Marsh Gentian


http://commons.wikimedia.org/wiki/File:Gentiana_pneumonanthe_Sturm9-cropped.jpg
Gentiana pneumonanthe Marsh Gentian

 

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Summary


Physical Characteristics

 icon of manicon of flower
Gentiana pneumonanthe is a PERENNIAL growing to 0.3 m (1ft). The species is hermaphrodite (has both male and female organs) and is pollinated by Bumblebees, butterflies.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Sunny Edge; Cultivated Beds;

Edible Uses

None known

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


Although we have no record of medicinal use for this species, like most other members of this genus the root probably contains various bitter compounds and can be used as a general tonic for the digestive system[K]. See G. lutea for more details of potential uses.

References   More on Medicinal Uses

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Other Uses

Dye

A blue dye is obtained from the flowers[46, 61].

Special Uses

References   More on Other Uses

Cultivation details

In general, gentians require a moist well-drained soil in a sheltered position, a certain minimum of atmospheric humidity, high light intensity but a site where temperatures are not too high[239]. They are therefore more difficult to grow in areas with hot summers and in such a region they appreciate some protection from the strongest sunlight[200, 239]. Most species will grow well in the rock garden[200]. This species is calcifuge and requires a humus-rich lime-free soil[1, 50, 239]. It is not very easy to cultivate and is not very long-lived[239]. A moisture loving plant, preferring to grow with full exposure to the sun but with plenty of underground moisture in the summer, it grows better in the north and west of Britain[1]. A very ornamental plant[1]. Plants are intolerant of root disturbance and should be placed in their final positions as soon as possible[200].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Propagation

Seed - best sown as soon as it is ripe in a light position in a cold frame[200]. It requires an acid humus-rich compost and should not be allowed to dry out[239]. The seed can also be sown in late winter or early spring but the seed germinates best if given a period of cold stratification and quickly loses viability when stored, with older seed germinating slowly and erratically[200, 239]. It is advantageous to keep the seed at about 10°c for a few days after sowing, to enable the seed to imbibe moisture[239]. Following this with a period of at least 5 - 6 weeks with temperatures falling to between 0 and -5°c will usually produce reasonable germination[239]. It is best to use clay pots, since plastic ones do not drain so freely and the moister conditions encourage the growth of moss, which will prevent germination of the seed[239]. The seed should be surface-sown, or only covered with a very light dressing of compost. The seed requires dark for germination, so the pots should be covered with something like newspaper or be kept in the dark[239]. Pot up the seedlings into individual pots as soon as they are large enough to handle and grow on in light shade in the greenhouse for at least their first winter. The seedlings usually flower in their second year[239]. When the plants are of sufficient size, place them out into their permanent positions in late spring or early summer. Division in March[111]. Most members of this genus have either a single tap-root, or a compact root system united in a single root head, and are thus unsuitable for division[239]. Cuttings of basal shoots in late spring[238].

Other Names

If available other names are mentioned here

Native Plant Search

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Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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12

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

L.

Botanical References

17200

Links / References

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Readers comment

   Fri Aug 11 2006

does the plant have to be cut back in summer

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