Aciphylla squarrosa - Speargrass

Famille: Umbelliferae, Genre: Aciphylla
Vivace à feuilles persistantes (2.5m de haut par 1.5m de large).

Habitat

Exposition
Plein soleil
Humidité
Sol sec à moyen.
Sol
Sol léger à moyen. Nécessite un sol drainant.
pH
Sol acide ou calcaire
Rusticité
Zone 5
Habitat originel
Found from sea-level to montane areas in North and South Islands to latitude 41° 30' south[44].
Origine géographique
Nouvelle-Zélande.

Comestibilité

  • Racine - cuite .
  • Aromatic [173].
  • A very good taste [177, 183].
  • The resin is used as a chewing gum [173].
  • Shoots and young stems [173].
  • No further details .

Autres usages

  • The plant yields a semi-transparent resinous gum that is edible and also used in perfumery [128].

Culture

  • Requires a perfectly drained gritty soil in full sun [200].
  • Easily grown in a moist but well-drained soil in full sun [187].
  • Hardy to about -10°c according to one report[200] whilst another says it is hardy to about -15°c [187].
  • Dioecious but female plants have occasional male flowers [200].
  • Male and female plants must normally be grown if seed is required .
  • The flowers are sweetly scented [187].

Propagation

  • Seed - best sown in a greenhouse as soon as it is ripe [200].
  • Stored seed should be sown in a greenhouse in late winter or early spring .
  • Germination can be very slow .
  • When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter before planting them out in late spring or early summer, after the last expected frosts .

Calendrier

En fleur
6 - 7
En feuille
1 - 12

Pollinisation

Type de fleur
Dioïque (les plants sont soit mâles soit femelles; les deux sont nécessaires pour obtenir des graines)
Auto-fertile
Oui
Pollinisateurs
Insectes

Divers

Pollution
Non
Autres réferences
[44, 200]

Réferences

[44] Allan. H. H. Flora of New Zealand. 1961.
The standard work, in 3 volumes though only the first two are of interest to the plant project. Very good on habitats.
[128] Laing. and Blackwell. Plants of New Zealand. 1907.
An old flora of New Zealand in a readable style. Some details of plant uses.
[173] Crowe. A. Native Edible Plants of New Zealand. 1990.
A very well written and illustrated book based on the authors own experiments with living on a native diet.
[177] Kunkel. G. Plants for Human Consumption. 1984.
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
[183] Facciola. S. Cornucopia - A Source Book of Edible Plants. 1990.
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
[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.
[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.

Laissez un commentaire concernant "Aciphylla squarrosa - Speargrass"