Class
Order
Family
Classification
Nomenclature
Scientific Name:
Abrotanella rostrata Swenson, New Zealand J. Bot. 34: 48-50 (1996)
Description
Caespitose herb up to 5 cm tall. Leaves rosulate, oblanceolate to elliptic, with an inconspicuous mid-rib, keeled, 10-20 × 2-5 mm; apex obtuse to acute; margins glabrous or sometimes sparingly hairy. Capitula 2—6, corymbosely arranged, on a branched, sparsely pubescent, fewleaved stem, pedunculate; peduncle elongated in fruit; bracts dimorphic, the lower leaf-like, the upper phyllary-like. Phyllaries 9-13,3.0-3.5 mm long, narrowly oblong, obtuse-acute, with 1—3 translucent ducts. Outer florets 9—13, tubular or narrowly cyathiform, 3^4-lobed, female, white, c. 1 mm long; vascular tissue absent. Central florets 3—5, campanulate, 4-lobed, functionally male, white, 1.2— 1.7 mm long; vascular tissue central in corolla lobes; anthers 0.7—0.8 mm long. Cypsela ellipsoid, distinctly ribbed, minutely papillose, 2.0—2.5 mm long, with a small carpopodium and beaked apex.
[Reproduced from Swenson (1996, New Zealand J. Bot. 34: 47-50) with permission from The Royal Society of New Zealand.]
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]
Swenson, U. 1996: Abrotanella rostrata (Asteraceae, Senecioneae); a new species for New Zealand. New Zealand Journal of Botany 34(1): 47–50.
