Pilosella aurantiaca subsp. carpathicola
NPPA pest plant
Common names
orange hawkweed
Biostatus
Exotic
Category
Vascular
Structural class
Herbs - Dicotyledonous composites
Flower colours
Orange, Yellow
Detailed description
Perennial herb usually 15-40 cm tall with long stolons. Rosette leaves green, narrowly oblanceolate, entire or obscurely dentate. Erect flowering stems with clusters of orange flowers (December - April)(purple when dry).
Similar taxa
Can be distinguished from P. xstoloniflora, the only other hawkweed in NZ with orange flowers, by it’s clustered small capitula on peduncles
Habitat
Terrestrial. Waste land, grassland, scrub, tussock grassland, roadsides, lawns, gardens, pastures (Webb et al 1988).
Conservation status
Not applicable
Detailed taxonomy
Family
Synonyms
Hieracium aurantiacum subsp. carpathicola
Ecology
Flowering
December, January, February, March
Fruiting
December - March - (May)
Year naturalised
1911
Origin
Europe
Reason for introduction
Accidental.
Life cycle and dispersal
Perennial. Reproduces via seed, stolons can re-sprout after disturbance. Seed produced December - May. Seed dispersed by wind, clothing and animal pelts. Rhizomes and stolons via water movement, contaminated soil and machinery. Plant tolerant to damage and grazing, moderate to cold temperatures, low rainfall, poor soils.
Other information
Etymology
pilosella: Softly hairy
aurantiaca: Orange
National Pest Plant Accord species
This plant is listed in the 2020 National Pest Plant Accord. The National Pest Plant Accord (NPPA) is an agreement to prevent the sale and/or distribution of specified pest plants where either formal or casual horticultural trade is the most significant way of spreading the plant in New Zealand. For up to date information and an electronic copy of the 2020 Pest Plant Accord manual (including plant information and images) visit the MPI website.
NVS code
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
PILASC
Referencing and citations
References and further reading
Johnson, A. T. and Smith, H. A (1986). Plant Names Simplified: Their pronunciation, derivation and meaning. Landsman Bookshop Ltd: Buckenhill, UK.