Scientific Name: Isolepis alpina Endemic Having a natural distribution confined to a particular geographic region

Common Name: tarn clubsedge

Family Classification (Clade): Monocots

Family: Cyperaceae

Form Description: Small and densely tufted perennial sedge with stiff stems.

Flowers: Flowers in heads of spikelets.

Fruit: Nut – oval, purplish-grey, 1.4-1.7mm long; contained in dense, bristly seed heads.

Municipality
Central HighlandsDerwent ValleyKentishMeander ValleyWest Coast
Plant Communities
No data available for this species
Habitat Notes

In sub-alpine moors and tarns, in the Central Highlands, Ben Lomond and Mt. Field. Also at lower altitudes on the west coast.

Frost Tolerance

Hardy

Propagation Calendar

  • Flowering Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Seed Collecting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sowing Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Cutting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
SeedDivision

Seed Information

Seed Treatment Method

Bog Method The seeds of many wetland species need to be kept wet to germinate. Punch a hole in the side of a recycled polyfoam box so that it holds water to the required depth. Sit the tubes in the box to germinate. Once germinated, punch holes in the bottom of the box to allow drainage.

Seed Storage Life

At least 2 years

Seed Treatment Notes

Smoke treatment may be successful with older seed. Surface sow seed. Some Isolepis species have been used in direct seeding.

Germination Time

4-5 weeks

Cutting & Division Information

Grown easily by division.