Classification
Class
Magnoliopsida Brongn.
Order
Solanales Juss. ex Bercht. & J.Presl
Family
Convolvulaceae
Genus
Convolvulus L.
 Nomenclature
Scientific Name:
Convolvulus fractosaxosus Petrie, Trans. & Proc. New Zealand Inst. 45: 271 (1913) – as fracto-saxosa
 Description

Perennial hairy herb with creeping branched stems arising from a stout, usually multicipital and rhizomatous stock. Petioles slender, usually 1–2.5 cm long, ± silky hairy. Lamina heterophyllous, 5–50 × 1–10 mm, ± silky hairy, of 4 main intergrading types, sometimes more than 1 on same plant: a) broad-ovate, oblong or suborbicular, usually not lobed, b) almost hastate with terminal sinuate or toothed lobe, and linear to narrow-oblong, entire or toothed, much smaller basal lobes at right angles, c) filiform to linear, with basal lobes entire or toothed, d) almost filiform to broadly linear and entire or nearly so. Fls axillary, solitary; peduncles ± filiform. Bracts paired, narrow-linear. Sepals unequal, 5–7 mm long, broad-ovate, ± appressed-hairy; apex rounded. Corolla c. 2 × 2 cm, white. Capsule c. 7 mm diam., globose. Seeds with network of short, narrow ridges.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Nov.–Feb.

 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]
Heenan, P.B.; Molloy, B.P.J.; de Lange, P.J. 2003: Species of Convolvulus (Convolvulaceae) endemic to New Zealand. New Zealand Journal of Botany 41(3): 447–457.
Petrie, D. 1913: Descriptions of new species and varieties of native phanerogams. Transactions and Proceedings of the New Zealand Institute 45: 265–275.
Wood, J.R.; Williams, B.R.; Mitchell, T.C.; Carine, M.A.; Harris, D.J.; Scotland, R.W. 2015: A foundation monograph of Convolvulus L. (Convolvulaceae). PhytoKeys 18(51): 1–282.