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

Cassinia R.Br.

CASSINIA R. Br., 1817

Capitula small, in corymbose panicles, mainly homogamous; phyll. in several series, imbricate, scarious; receptacle us. with scarious white-tipped scales. Florets perfect, tubular, 5-toothed, or a few outer ones filiform, pistillate. Anthers sagittate at base, cells produced into filiform tails; style-arms terete, truncate. Achenes small, angled or subterete or slightly compressed; pappus-hairs slender, in one series. Shrubs or undershrubs with alt. entire lvs. About 20 spp. of Australia, N.Z. and S. Africa. The N.Z. spp. are endemic and belong to subgenus Rhynea, with inner phyll. bearing white radiating tips; capitula us. with 1 or 2 filiform pistillate outer florets.

Key

1
Plant not > c. 6 dm. tall; lvs 6 mm.-2 cm. long, white-tomentose below; capitula narrow-turbinate; florets 4-6 per capitulum; scales of receptacle absent or not more than 2; achenes with sparse long hairs; phyll. tomentose
3. amoena
Plant not having all above characters in combination
2
2
Lvs of linear order, not or hardly widened above middle
3
Lvs of obovate order, distinctly widened above middle
4
3
Scales of receptacle ∞; lvs 2-3 mm. long; tomentum whitish
2. leptophylla
Scales of receptacle absent or 1-2; lvs 3-10 mm. long; tomentum fulvous
5. fulvida
4
Lvs strongly recurved, not > c. 5 mm. long; pappus-hairs very slightly thickened at tips
1. retorta
Lvs suberect or spreading, c. 6·5-10 mm. long; pappus-hairs distinctly thickened at tips
4. vauvilliersii

Fls are us. found from November to February and frs soon afterwards, occ. until April.

Click to go back to the top of the page
Top