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

EUPHORBIACEAE

Plants monoec. or dioec. Fls unisexual, us. 5-merous; ovary superior, us. trilocular, with axile placentae; ovules 1-2 per locule, pend.; styles 3, stigmas 3 or 6. Fr. us. splitting into 3 dehiscent cocci, seed with cop. endosperm. Herbs, shrubs, or trees, often with milky sap; lvs alt., opp., or whorled, us. stipulate. Subcosmopolitan family with some 285 genera and over 730 spp.

Key

1
Plant a tree - -
1. HOMALANTHUS
Plant an herb - -
2
2
Plant with cop. milky sap, fls involucrate, per. 0; lvs 2 cm. or more long - -
2. EUPHORBIA
Plant with watery sap, fls not involucrate, per. present; lvs hardly > 10 mm. - -
3. PORANTHERA
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