Azorella allanii
Biostatus
Native – Endemic taxon
Category
Vascular
Structural class
Herbs - Dicotyledons other than Composites
Detailed description
Hairless creeping herb forming diffuse patches up to 30 cm diameter. Stems creeping, branched, rooting freely at nodes. Leaves confined to nodes. Leaf stalks slender 5-10(-15) cm long. Leaves 2-3 cm diameter, pale green, somewhat leathery, deeply 3-lobed or completely trifoliolate, lobes obcuneate, margins only very slightly thickened or recurved and irregularly lobed or crenulate (like a pie crust) towards apex. Inflorescence an umbel 15 mm diameter, borne on slender, 10 cm long, occasionally branched stalk (peduncle). Flowers 8-12 on unequal pedicels 5-10 mm long, subtending floral bracts (involucral bracts) linear acute to acuminate. Fruit 2.5 mm long, 4-angled, deeply furrowed, mericarps distinctly to obscurely 5-ribbed.
Similar taxa
Closest to Schizeilema colensoi but distinguished from that species by the leaf margins being scarcely recurved or thickened, and by the pedicels being > 3 time the length of the fruit.
Distribution
Endemic. North Island, known from the eastern ranges. With certainty from the Raukumara and the Ruahine Range but it is probably elsewhere.
Habitat
Montane to subalpine. In shrubland and open ground.
Current conservation status
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.
- Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.
2023 | At Risk – Naturally Uncommon | Qualifiers: DPS, DPT, RR
Threats
Described in 1923, the species has always been considered uncommon. Very little is known about its exact status in the wild, and this is why it has been listed as Data Deficient.
Detailed taxonomy
Family
Synonyms
Schizeilema allanii Petrie nom. illeg.; Schizeilema allanii Cheeseman
Endemic taxon
Yes
Endemic genus
No
Endemic family
No
Ecology
Flowering
No information available
Fruiting
No information available
Propagation technique
No information available.
Other information
Where To Buy
Not commercially available.
Etymology
allanii: After Dr Harry Howard Barton Allan C.B.E. (1882–1957) one time school teacher, then first director of DSIR Botany Division, and ‘sole’ author of Flora I, the first in the former DSIR Botany Division flora series.
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.
AZOALL
Previous conservation statuses
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.
- Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.
2017 | At Risk – Naturally Uncommon | Qualifiers: DP, RR
2012 | At Risk – Naturally Uncommon | Qualifiers: RR
2009 | At Risk – Naturally Uncommon | Qualifiers: RR
2004 | Data Deficient
Referencing and citations
Attribution
Fact sheet prepared by P.J. de Lange for NZPCN (1 June 2013)
NZPCN Fact Sheet citation
Please cite as: de Lange, P.J. (Year at time of access): Azorella allanii Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/azorella-allanii/ (Date website was queried)