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  4. Gentianella patula

Gentianella patula

Cobb Valley, NW Nelson.<br>Photographer: Mike Thorsen, 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>
Cobb Valley, NW Nelson.<br>Photographer: Mike Thorsen, 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>
Cobb Valley.<br>Photographer: Jeremy R. Rolfe, Date taken: 17/03/2016, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <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 name

gentian

Synonyms

Gentiana patula (Kirk) Cheeseman, Chionogentias patula (Kirk) L.G.Adams

Family

Gentianaceae

Authority

Gentianella patula (Kirk) Holub

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Herbs - Dicotyledons other than Composites

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.

GENPAT

Chromosome number

2n = 36

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The threat classification status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2017 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website This report includes a statistical summary and brief notes on changes since 2012 and replaces all previous NZTCS lists for vascular plants. Authors: By Peter J. de Lange, Jeremy R. Rolfe, John W. Barkla, Shannel P. Courtney, Paul D. Champion, Leon R. Perrie, Sarah M. Beadel, Kerry A. Ford, Ilse Breitwieser, Ines Schönberger, Rowan Hindmarsh-Walls, Peter B. Heenan and Kate Ladley. Please note, threat classifications are often suggested by authors when publications fall between NZTCS assessment periods – a suggested threat classification status has not been assessed by the NZTCS panel.

Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

Previous conservation statuses

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Distribution

Endemic. New Zealand: South Island (Nelson, Marlborough and Canterbury)

Habitat

Subalpine or montane in Valley floor and high alpine tussock and other grasslands, in herbfields, on alluvial fans, and along the margins of subalpine scrub margins

Features

Plants biennial and monocarpic, or polycarpic, height in flower 60–370 mm. Root 2.7–6.3 mm diameter at stem base. Caudex unbranched or branched, 25–70 mm long; stolons absent. Flowering stems terminal and lateral, 1–36 per plant, largest flowering stem 1.1–3.6 mm diameter at base, tinted crimson to purple-black, lateral flowering stems decumbent or erect, flowering stem leaves 3–5 pairs per stem, lowest pedicels from near apex of flowering stem. Rosette of leaves distinct from flowering stem leaves, leaves elliptic, 18–44 × 3.5–9.0 mm, green, flat or V-shaped, recurved or not; leaf apex acute; petiole distinct, 10–29 mm long, 1.5–2.5 mm wide at leaf base. Flowering stem leaves ovate, apex acute, base clasping, V-shaped strongly. Pedicels 1 or 2 per leaf axil, 9–35 mm long, 0.8–1.0 mm diameter. Flowers (3–)40–86(–126) per plant, 10–15 mm long. Calyx 5.1–8.5 mm long, green or green tinted purple-black, hairs at calyx–corolla fusion line present; lobes 3.4–6.0 mm long, 1.8–2.6 mm wide at base, plane, apices acute, margins smooth, sinus hairs sparse. Corolla 5.9–16 mm long, white or tinted pink or purple, veins uncoloured or purple; tube 3.0–3.5 mm long; lobes 9.0–11.4 × 5.5–8.0 mm, hairs below sinus present; nectary 0.3–0.8 mm from corolla base. Filaments 4.5–8.8 mm long from corolla base, 0.7–1.0 mm wide. Anthers 1.7–2.4 mm long, anther wall blue-black, mouth yellow or orange-red, extrorse at anthesis or horizontal at anthesis. Stigma colourless or grey-violet. Ovules 24–44 per ovary. Capsule 12–15 mm long.

Similar taxa

Most closely related to Gentianella montana from which it is distinguished smaller overall stature; larger number of flowering stems, yet smaller flowers. Most G. montana populations have white flowers without coloured veins, whereas high altitude populations of G. patula have white flowers lower altitude populations flowers with coloured corolla veins

Flowering

December – May

Flower colours

Red/Pink, White

Fruiting

February - June

Life cycle

Seeds dispersed by ballistic projection, wind and water (Thorsen et al., 2009)

Propagation technique

Difficult. Should not be removed from the wild

Etymology

gentianella: Little Gentiana (named after Gentius, 6th century king of Illyria, who found the roots of the yellow gentian to have a healing effect on his malaria-stricken troops)

patula: Spreading

Where To Buy

Not Commericially Available

Attribution

Fact Sheet for NZPCN prepared by P.J. de Lange (1 November 2004). Description modified from Glenny (2004)

References and further reading

Glenny, D. 2004: A revision of the genus Gentianella in New Zealand. New Zealand Journal of Botany 42: 361-530.

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