Gypsophila paniculata - Gypsophile paniculée

Famille: Caryophyllaceae, Genre: Gypsophila
Gypsophile, Gypsophile en panicule
Vivace (1.2m de haut par 1m de large).

Habitat

Exposition
Plein soleil
Humidité
Sol sec à moyen. Tolère la sécheresse.
Sol
Tous sols. Nécessite un sol drainant.
pH
Sol acide ou calcaire
Rusticité
Zone 4
Habitat originel
Dry sandy and stony places, in steppe where it grows with large tufted species of Stipa grasses[190], north to latitude 57°n[50].
Origine géographique
Europe. An occasional garden escape in Britain.

Dangers connus

  • Although no mention has been seen for this species, at least one member of this genus has a root that is rich in saponins [2].
  • Although toxic, these substances are very poorly absorbed by the body and so tend to pass through without causing harm [65].
  • They are also broken down by heat so a long slow baking can destroy them .
  • Saponins are found in many plants, including several that are often used for food, such as certain beans .
  • It is advisable not to eat large quantities of food that contain saponins .
  • Les saponines sont beaucoup plus toxique pour certains animaux, comme les poissons; des tribus de pêcheurs en ont traditionnellement mis de grandes quantitié dans les rivières et les lacs pour droguer ou tuer les poissons [K].

Usages médicinaux

  • Purgative [61].
  • The root contains triterpenoid saponins and these have spermicidal activity [218].

Culture

  • Requires a sunny position and a well-drained dryish soil [1, 187].
  • Plants are not long-lived in wet or heavy soils [190].
  • A lime tolerant plant[1], it prefers a limey soil according to another report [190].
  • Plants are intolerant of winter damp[187] but tolerate drought once established [190].
  • A very ornamental plant[1], it is hardy to about -20c [187].

Propagation

  • Seed - we have no information for this species but suggest sowing the seed in a greenhouse in spring .
  • When they are large enough to handle, prick the seedlings out into individual pots and, if growth is sufficient, plant them out into their permanent positions in the summer .
  • If the plants are too small to plant out, grow them on in the greenhouse for their first winter and then plant them out in late spring or early summer .
  • Division au printemps ou à l'automne .
  • Les plus grandes divisions peuvent être replantées directement à leur place définitive, il vaut mieux mettre en pot les plus petites divisions et les cultiver sous chassis jusqu'à ce que les racines se soient développées .
  • Plantez les au printemps .
  • Basal cuttings before the plant flowers .
  • Harvest the shoots when they are about 10cm long with plenty of underground stem .
  • Rempotez les dans des pots individuels et gardez les sous une ombre légère sous chassis ou sous serre jusqu'à ce que les racines se soient bien développées .
  • Replantez les en été .
  • Root cuttings .

Calendrier

En fleur
7 - 8

Pollinisation

Type de fleur
Hermaphrodite (les fleurs ont des organes mâles et femelles)
Auto-fertile
Non
Pollinisateurs
Insectes

Divers

Pollution
Non
Autres réferences
[50, 200]

Réferences

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 1951.
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
[2] Hedrick. U. P. Sturtevant's Edible Plants of the World. 1972.
Lots of entries, quite a lot of information in most entries and references.
[50] ? Flora Europaea 1964.
An immense work in 6 volumes (including the index). The standard reference flora for europe, it is very terse though and with very little extra information. Not for the casual reader.
[61] Usher. G. A Dictionary of Plants Used by Man. 1974.
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
[65] Frohne. D. and Pfänder. J. A Colour Atlas of Poisonous Plants. 1984.
Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.
[187] Phillips. R. & Rix. M. Perennials Volumes 1 and 2. 1991.
Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
[190] Chatto. B. The Dry Garden. 1982.
A good list of drought resistant plants with details on how to grow them.
[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[218] Duke. J. A. and Ayensu. E. S. Medicinal Plants of China 1985.
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.