Pilosella piloselloides subsp. praealta (Gochnat) S. Bräut. & Greuter, Hieracium praealtum Gochnat
Vascular – Exotic
Herbs - Dicotyledonous composites
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.
Terrestrial. A plant of lowland, montane and subalpine habitats, grows in low fertility sites in shrubland, tussockland and riverbeds.
Wetland plant indicator status rating
UPL: Obligate Upland
Rarely is a hydrophyte, almost always in uplands (non-wetlands).
Perennial herb 15-45 cm tall, with stolons. Leaves 5-12 x 1-1.5 cm, entire, smooth bluish-green to red, leaf underside hairless except on mid-rib and edges. 3-35 yellow flower heads per stem.
The presence of stolons, multiple yellow flowers and hairs confined to midrib and margins beneath the leaf distinguish this species from all other Hieracium in NZ.
November, December, January, February, March
(September) - November - March - (April)
Perennial. The plant reproduces vegetatively from stolons that give rise to 0-15 new rosettes (Timmins & MacKenzie 1995). Seed is prolifically produced with approximately 1 000/dm squared. Probably no seed bank is formed and seed is dispersed by wind (Timmins & MacKenzie 1995).
Reason for introduction
Highly tolerant of drought and frost; tolerant of poor drainage and intolerant of shade. Also highly tolerant to physical damage but intolerant to grazing.
pilosella: Softly hairy
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.