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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Ranunculaceae

RANUNCULACEAE

Fls us. perfect and regular, solitary to racemose or paniculate. Sepals (3)-5-(, us. imbricate, often petaloid; petals (0)-5-10-(() us. nectariferous; stamens us. ∞; anthers 2-celled, adnate. Carpels ∞ to 1, us. free; receptacle often conical. Fr. of achenes or follicles; seeds minute, endosperm cop. Mostly perennial or annual herbs with radical and/or alt., rarely opp., exstipulate lvs. Cosmopolitan, with some 50 genera and over 1300 spp.

Key

1
Plant a soft-wooded liane; lvs opp
5. CLEMATIS
Plant herbaceous; lvs radical and/or alt
2
2
Fr. of follicles, each with several seeds; lamina with upturned appressed basal lobes
4. CALTHA
Fr. of achenes; lamina without such lobes
3
3
Achenes on an elongated receptacle; plant minute, with linear lvs; sepals minutely spurred
3. MYOSURUS
Achenes clustered in heads; sepals not spurred
4
4
Sepals reddish, petaloid; petals absent; achenes fusiform; ovule suspended
2. ANEMONE
Sepals green, not petaloid; petals seldom absent; achenes not fusiform; ovule basal
1. RANUNCULUS
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