Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Clematis L.
 Nomenclature
Scientific Name:
Clematis marmoraria Sneddon, New Zealand J. Bot. 13: 557 (1975)
 Description

Small suckering evergreen woody subshrub. Lvs ± glabrous, multifid-multipartite to deeply 3-lobed to 3-foliolate, (1)–1.5–3 × 1–3 cm; leaflets thick, quite stiff, deeply incised 2–3 times; segments concave adaxially, obtuse to subacute, oblique at base; petiole 0.7–1 cm long. Fls unisexual, solitary in lf axils. Bracts in 1–2 pairs; upper pair usually inserted below middle of peduncle. ♂ fls: sepals (5)–6–(8), imbricate, white (slightly green-tinged when young), glabrous above, hairy beneath, obovate-elliptic, (6)–10–14–(18) × (3)–4–6–(10.5) mm; anthers 1–1.8 mm long; filaments glabrous. ♀ fls: sepals similar to ♂, c. 8 × 6 mm; staminodes few. Achenes pubescent, 3–4 mm long. Style 1.5–3 cm long at fruiting.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Dec.; Fruiting: Jan.–Mar.

 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. [Nationally Vulnerable]
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. [Nationally Vulnerable]
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. [Nationally Vulnerable]
Sneddon, B.V. 1975: A new Clematis from north-west Nelson, New Zealand. New Zealand Journal of Botany 13: 557–565.