Pachystegia Cheeseman

Details

Name scientific

Pachystegia Cheeseman, Man. New Zealand Fl., ed. 2, 910 (1925)

Preferred name

Shawia J.R.Forst. & G.Forst.

Taxonomy reference

Saldivia, P.; Nicol, D.A. 2025: Reinstatement, broader circumscription, and infrageneric classification of Shawia (Astereae, Celmisiinae), a large woody genus endemic to Australasia. Phytoneuron 2025-49: 1–43 (online). (Published online: 11 September 2025)

Linked name

Pachystegia

Nomenclature

Original authors

Cheeseman

Authors

Cheeseman

Publication place

Cheeseman, T.F. 1925: Manual of the New Zealand Flora. Edition 2. Government Printer, Wellington.

Year published

1925

Publication page

910

Nomenclatural code

ICN

Basionym

Pachystegia Cheeseman

Type taxon

Pachystegia insignis (Hook.f.) Cheeseman

Taxonomic rank

genus

Canonical form

Pachystegia

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Compositae

Genus

Pachystegia

Subordinates

Descriptions

Allan, H.H. 1961: Flora of New Zealand. Vol. I. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. Government Printer, Wellington.

Pachystegia Cheeseman

Description

Capitula heterogamous, solitary; ray-florets pistillate, white; disk-florets perfect, yellow, tubular. Receptacle slightly convex, alveolate. Phyll. ∞ in many series, densely imbricate; inner with slender recurved tips. Achenes linear, densely silky-pilose; pappus of a single row of barbellate capillary bristles, slightly thickened at tips. Shrubs with tomentose branchlets and very coriac. entire lvs. Genus endemic to N.Z.

Dawson, M.I. 2008: Index of chromosome numbers of indigenous New Zealand vascular plants.