We value your privacy

We use cookies and other technologies to enhance your experience, analyse site usage, help with reporting, and assist in other ways to improve the website. You can choose to allow cookies and other technologies or decline. Your choice will not affect site functionality.

Click for help
Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
Copy a link to this page Cite this record

Gnaphalium L.

GNAPHALIUM L., 1753

Capitula small, solitary, clustered or corymbose, heterogamous; phyll. imbricate, in several series; receptacle plane to alveolate. Outer florets pistillate, ∞, filiform, minutely toothed; inner perfect, fewer, tubular. Anther-cells produced at base into filiform tails; style-arms of disk-florets nearly terete, truncate to capitate. Achenes not ribbed. Pappus-hairs in one series, caducous. Annual to perennial herbs with alt., entire lvs. Genus of cosmopolitan distribution, with c. 150 spp. Of the N.Z. spp. 1 is widespread elsewhere, 3 occur in Australia, the others are endemic.

Key

1
Tips of inner phyll. spreading, white, forming a distinct pseudo-ray
2
Tips of inner phyll. not forming a pseudo-ray
5
2
Lvs strongly revolute, making lamina linear in outline; branches rather stiff and rigid
3. subrigidum
Lvs not or only slightly revolute, lamina not linear in outline; branches not stiff or rigid
3
3
Lvs, most or all, < 3 cm. long, obovate-spathulate, branchlets prostrate
4. hookeri
Lvs, most or all, much > 3 cm. long, lanceolate to oblanceolate, branchlets ascending
4
4
Lvs of narrow-lanceolate order, acute; pair of lateral veins obscure
2. keriense
Lvs of broad-oblanceolate order, apiculate; pair of lateral veins distinct
1. trinerve
5
Capitula solitary, terminal
6
Capitula congested, forming compound heads
8
6
Lvs glab. or nearly so above; capitula not > c. 5 mm. diam.
6. paludosum
Lvs densely tomentose above; capitula c. 8-12 mm. diam.
7
7
Lvs up to 3 cm. or more long, tomentum white
5. traversii
Lvs not > 1 cm. long, tomentum brown, glistening
7. nitidulum
8
Compound capitula ∞, without involucre of foliaceous bracts
8. luteo-album
Compound capitula solitary or few, with involucre of foliaceous bracts
9
9
Plant with creeping rhizome or stolons, forming patches; perennial
10. collinum
Plant not creeping, not forming patches; annual
9. involucratum
Click to go back to the top of the page
Top