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

ROSACEAE

Infl. various; fls us. perfect, regular, 5-merous, perig. to epig. Receptacle us. ± hollowed, often coloured and ± fleshy. Sepals us. imbricate; petals us. imbricate, sts ∞.Stamens us. 5-10 or more; anthers 2-celled, longitudinally dehiscent; disk us. glandular (nectariferous). Carpels 1 to many, free or united and adnate to receptacle. Fr. various. Trees, shrubs or herbs with alt., simple or compound, stipulate lvs. Subcosmopolitan, with some 120 genera and 3000 spp.

Key

1
Plant a prickly liane with woody stems; frs succulent
1. RUBUS
Plant herbaceous, not prickly; frs dry
2
2
Fls congested into heads; carpels 1 or 2; receptacle us. crowned with 4 stiff bristles
2. ACAENA
Fls not so congested, carpels ∞, receptacles without stiff bristles
3
3
Fls yellow, solitary; lvs white-hairy below
3. POTENTILLA
Fls white, or if yellow then not solitary; lvs not white-hairy below
4. GEUM
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