Helichrysum filicaule Hook.f.

Caption:

Details

Name scientific

Helichrysum filicaule Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 140, t. 36B (1852)

Preferred name

Helichrysum filicaule Hook.f.

Taxonomy reference

Webb, C.J.; Sykes, W.R.; Garnock-Jones, P.J. 1988: Flora of New Zealand. Vol. IV. Naturalised Pteridophytes, Gymnosperms, Dicotyledons. Botany Division DSIR, Christchurch.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

Nomenclature

Authors

Hook.f.

Original authors

Hook.f.

Publication place

Hooker, J.D. 1852–1853 ("1853"): The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.

Year published

1852

Publication page

140, t. 36B

Nomenclatural code

ICN

Basionym

Helichrysum filicaule Hook.f.

Taxonomic rank

species

Canonical form

Helichrysum filicaule

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Compositae

Genus

Helichrysum

Species

filicaule

Vernacular names

Language of use: English

Synonyms

Gnaphalium filicaule Hook.f.

Descriptions

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

Helichrysum filicaule Hook.f.

Description

Main stems prostrate, creeping and rooting, up to 3 dm. long (sts lianoid under shrubs), c. 1-2 mm. diam.; branches decumbent to erect, up to 25 cm. long, c. 1 mm. diam.; with sparse cottony tomentum to glab. Lvs oblong to obovate, up to 1·5 cm. × 5 mm., glab. above when mature, clad in dense soft cobwebby white tomentum below, abruptly mucronate at apex, subsessile with semiamplexicaul base. Scapes densely tomentose, filiform, up to 5 cm. long, with or without minute bracts. Capitula up to 1 cm. diam.; phyll. in 4-5 series; outer short, oblong, densely tomentose on back; inner linear-oblong, scarious, stramineous with brown tips, tomentose on midrib at back, ciliolate on margins. Receptacle 1-2 mm. diam., shallowly convex, alveolate; perfect florets ∞, ♀ few. Achenes compressed, filiform, seldom up to 1 mm. long, papillose-pubescent; pappus-hairs up to 5 mm. long, very slender.

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

Helichrysum filicaule Hook.f.

Description

2n = 28

Webb, C.J.; Sykes, W.R.; Garnock-Jones, P.J. 1988: Flora of New Zealand. Vol. IV. Naturalised Pteridophytes, Gymnosperms, Dicotyledons. Botany Division DSIR, Christchurch.

Helichrysum filicaule Hook.f.

Description

Prostrate herb, (2)-5-15 cm tall; prostrate stems rooting; erect flowering stems tomentose, c. 0.5-1 mm diam. Lvs spreading, distant, usually glabrous on upper surface, rarely sparsely to moderately tomentose, white- tomentose on lower, apetiolate, elliptic-obovate, or elliptic, mucronate, amplexicaul, (2)-3-7-(12) × (1.5)-2-3.5-(5) mm. Uppermost lvs on flowering branches smaller and more distant. Capitula 3-7 mm diam., solitary, pedunculate. Middle involucral bracts hairy, oblong, obtuse to acute, not radiating, with pale brown and membranous lamina, and stereome green or tinged pink, 4-6 mm long. Disc pale yellow. Achenes minutely papillate, obovoid- cylindric, c. 1 mm long.