Nomenclature
Scientific Name:
Gentianella stevenii U.B.Deshmukh & Kottaim., Phytotaxa 518: 239 (2021)
Synonymy:
  • Gentianella scopulorum Glenny, New Zealand J. Bot. 42: 508 (2004) nom. illeg., non Gentianella scopulorum (Wedd.) Fabris ex T.N. Ho & S.W. Liu. 1993
NEW ZEALAND, rocks near the sea at Charlestown, south of Westport, no date, W. Townson 504 (holotype: AK 7316, isotype; AK 7317)
Etymology:
Named in honour of New Zealand Botanist, Dr. David Steven Glenny (1955−), in recognition of his remarkable contribution to the knowledge of Gentianella in that country.
 Description

Plants polycarpic, height in flower 70–130 mm. Flowering stems terminal and lateral, 4–10 per plant, stems tinted crimson, 1.4–2.3 mm diam. when dry. Rosette leaves orbicular, 35–44 mm long, 10.0–17.5 mm wide, green, not recurved, margin not thickened; apex rounded; petiole distinct, 19–30 mm long, 1.4–2.2 mm wide. Pedicels 1 per leaf axil, 1–16 mm long, 0.9–1.3 mm diam. when fresh, 0.5–0.8 mm diam. when dry. Flowers 8–38 per plant, 12–15 mm long, rarely female. Calyx 6.0– 8.2 mm long, green, hairs at calyx–corolla fusion line present; lobes 3.9–5.5 mm long, 1.8–2.4 mm wide, plane, sinus hairs absent, sparse, or abundant. Corolla 9.5–14.8 mm long, veins coloured; tube 2.6–4.5 mm long; lobes 9.6–10.5 mm long, 3.3– 5.0 mm wide; nectaries 0.7–1.2 mm from corolla base. Filaments 5.0–7.4 mm long from corolla base, 0.6–0.8 mm wide. Anthers 1.0–1.5 mm long, anther wall blue-black, mouth yellow, extrorse at anthesis. Stigma colourless. Ovules 16–30 per ovary. Capsule 10.0–11.8 mm long. FL Dec.

[Reproduced from Glenny (2004, New Zealand J. Bot. 42: 361-530) with permission from The Royal Society of New Zealand as Gentianella scopulorum Glenny]

 Biostatus
Indigenous (Endemic)
 Bibliography
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [as Gentianella scopulorum Glenny] [Nationally Critical]
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [as Gentianella scopulorum Glenny] [Nationally Critical]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Gentianella scopulorum Glenny] [Nationally Critical]
Deshmukh, U.B.; Kottaimuthu, R. 2021: A new replacement name for Gentianella scopulorum Glenny (Gentianaceae). Phytotaxa 518(3): 239–240.
Glenny, D. 2004: A revision of the genus Gentianella in New Zealand. New Zealand Journal of Botany 42(3): 361–530.