Nomenclature
Scientific Name:
Wahlenbergia albomarginata subsp. flexilis (Petrie) J.A.Petterson, New Zealand J. Bot. 35: 37 (1997)
Synonymy:
  • Wahlenbergia flexilis Petrie, Trans. & Proc. New Zealand Inst. 49: 51 (1917 [1916])
  • = Wahlenbergia simpsonii J.A.Hay in Allan, Fl. New Zealand 1, 793 (1961)
 Description

Perennial, rhizome slender, 1–2 mm. diam., branching and interlacing; stems glab., 15–20 cm. long, including the tall peduncles, decumbent at base then spreading and ascending, branching. Lvs alt. or subopp., or rosulate in young stems and young lateral branches, uniform, thin, membr., glab., obovate- to elliptic-spathulate, cuneately narrowed to a slender flat petiole; c. 3 cm. (including petiole) × 5–6 mm. Margins shallowly serrate in broad part, lamina flat or nearly so. Peduncles solitary from the top of each stem and branch, up to 15 cm. tall, erect or ascending, nude or with 1 or few oblanceolate or linear sessile lvs, simple or branched. Fls 1 to several per peduncle, erect or inclined, drooping in bud. Calyx glab., lobes narrow-acuminate, erect in bud, spreading or recurved in fl., 4–5 × 1 mm., with 1 or 2 small serratures on each side. Corolla always creamy white, c. 15 × 20 mm., with deeply campanulate tube and 5 rotately-spreading ovate apiculate lobes = tube. Style = corolla-tube. Staminal filaments oblong at base with edges recurved and hairy. Capsule glab., broad-cylindric, c. 6 × 4 mm.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Wahlenbergia simpsonii J.A.Hay]

 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. [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76.
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. [Naturally Uncommon]
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. [Naturally Uncommon]
Petrie, D. 1917: Descriptions of New Native Flowering-Plants, with Some Notes on Known Species. Transactions and Proceedings of the New Zealand Institute 49: 51–55.
Petterson, J.A. 1997: Revision of the genus Wahlenbergia (Campanulaceae) in New Zealand. New Zealand Journal of Botany 35(1): 9–54.