Watsonia meriana (L.) Mill.
Bulbil Watsonia
Gard.Dict. Ed.8 (1768)
Conservation Code:
Not threatened
Naturalised Status: Alien to Western Australia
Name Status:
Current
Brief Description
Amanda Spooner,
Thursday 16 August 2007
Cormous, perennial, herb, 0.7-2.5 m high. Fl. orange-red/pink/purple/white, Sep to Dec. Grey sandy loam, brown gravelly loam, brown sandy clay, pale sandy alluvium, laterite. Creeklines, roadsides, drains.
Distribution
Beard’s Provinces: South-West Province.
IBRA Regions: Jarrah Forest, Swan Coastal Plain.
IBRA Subregions: Northern Jarrah Forest, Perth, Southern Jarrah Forest.
Local Government Areas (LGAs): Cockburn, Dardanup, Kalamunda, Manjimup, Murray, Waroona.
Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink,
Monday 23 May 2011
Alternative Names. Bugle Watsonia, bulbil Watsonia.
General Biology. Growth form. Geophyte. Life form. Annually renewed corm, some dormancy between fire. Reproduction. Offsets, seed. Dispersal. Water, soil, wind. Time to first flowering. 2-3 years. Seedbank persistence. Medium, 1-5 years. Fire response. Generally survives fire. Prolific flowering and seed set follow summer fire.
Additional information. Origin. Southern Africa. History of use/introduction. Garden escape.
Suggested method of management and control. Wipe individual leaves with glyphosate 10% or spray dense infestations 2,2-DPA 10 g/L + Pulse®. Apply just as flower spikes emerge at corm exhaustion. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Management Calendar
| Calendar Type | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dormant | Y | Y | Y | Y | |||||||||
| Active Growth | Y | Y | Y | Y | Y | Y | Y | Y | |||||
| Flowering | Y | Y | |||||||||||
| Germination | Y | Y | Y | ||||||||||
| Optimum Treatment | Y |
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
References
- Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
- Du Plessis, N. & Duncan G. (1989) Bulbous plants of Southern Africa. Tafelberg Publishers Ltd, Cape Town, South Africa.
- Goldblatt, P. (1989) The genus Watsonia. A systematic monograph. Annals of Kirstenbosch Botanic Gardens, 19.
- Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. & Cousens, R.D. (2007) Western Weeds. A guide to the weeds of Western Australia. 2nd Edition. The Plant Protection Society of Western Australia, Victoria Park.
- Manning, J., Goldblatt, P. & Snijman, D. (2002) The color encyclopedia of Cape bulbs. Timber Press (Inc.), Portland, USA.

