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  4. Wahlenbergia albomarginata subsp. flexilis

Wahlenbergia albomarginata subsp. flexilis

Wahlenbergia albomarginata subsp. flexilis.<br>Photographer: Jessie Prebble, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
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Common names

Ward harebell, Marlborough harebell

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Herbs - Dicotyledons other than Composites

Flower colours

Cream, White

Detailed description

Perennial herb with radical, rosulate tufts of leaves, sometimes alternate on elongated stems (shade form). Leaves more or less petiolate, entire (only dentate in deep shade), lamina 10 × 2 to 40 × 10 mm, prostrate leaves ovate to orbicular-spathulate (sometimes tufted along the elongating ascending stems in shade forms), gradually narrowed to petiole as long as the lamina or longer. Flowers insect-pollinated, narrowly campanulate-rotate, corolla pale flax creamy white to blusih-white, 18-25 mm diameter, 10-20 mm long, corolla tube 4 × 3 to 10 × 6 mm, lobes 6 × 3 to 12 × 5 mm; style equal in length to corolla tube, lobes 2 or 3. Calyx lobes less than ¼ corolla length, toothed and recurved in mature capsules; capsule domed cylindric, 6-8 × 4 mm. Seeds 0.5 mm long, ellipsoid, smooth, glossy brown when mature.

Similar taxa

Similar to subsp. albomarginata, from which it differs by the prostrate leaves which are ovate to orbicular-spathulate, sometimes tufted along the elongating ascending stems in shade forms; and by the usually entire leaf margins, (except in deep shade when they may become dentate); larger creamy white to bluish white flowers; which when fresh are 18-25 mm rather than 10-20 mm diameter.

Distribution

Endemic. New Zealand: South Island (Eastern Marlborough (coastal south of Cape Campbell to just south of Kaikoura Peninsula, and inland from the coast to the Clarence Fault))

Habitat

Mostly coastal, but extending into montane areas up the Clarence River. Common on beach gravel and limestone outcrops, bluffs and hillslopes

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: RR, Sp

Jump to previous conservation statuses

Threats

A naturally uncommon, narrow range endemic that is sparsely distributed over a wide area eastern Marlborough. Although not considered threatened, some populations suffer from browsing caused by sheep, goats, rabbits hares and other livestock.

Detailed taxonomy

Family

Campanulaceae

Authority

Wahlenbergia albomarginata subsp. flexilis (Petrie) J.A.Petterson

Synonyms

Wahlenbergia flexilis Petrie, Wahlenbergia simpsonii J.A.Hay

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Flowering

November – April

Fruiting

December - April

Propagation technique

Easily grown from tip cuttings and the division of whole plants. Fresh seed germinates readily. Being insect-pollinated and having an indigenous pollinator, cultivated plants rarely set seed.

Other information

Etymology

wahlenbergia: Named in honour of Wahlenberg, a Swedish botanist and author of A Botany of Lapland.

albomarginata: From the Latin albus ‘white’ and marginatus ‘having a border or margin’ meaning something with a white margin, often referring to leaves

Chromosome number

2n = 36

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: RR, Sp

2009 | At Risk – Naturally Uncommon

2004 | Range Restricted

Jump to current conservation status

Referencing and citations

References and further reading

Petterson, J.A. 1997: Revision of the genus Wahlenbergia (Campanulaceae) in New Zealand. New Zealand Journal of Botanv 35: 9-54.

Attribution

Fact Sheet Prepared by P.J. de Lange 12 June 2007. Description adapted from Petterson (1997).

NZPCN Fact Sheet citation

Please cite as: de Lange, P.J. (Year at time of access): Wahlenbergia albomarginata subsp. flexilis Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/wahlenbergia-albomarginata-subsp-flexilis/ (Date website was queried)

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