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Manual of the New Zealand Flora.
Tribe 1. EupatoriaceÆ
Tribe 1. EupatoriaceÆ.
Heads homogamous, florets all tubular, hermaphrodite. Anthers obtuse at the base. Style-branches long, obtuse, thickened upwards or club-shaped equally minutely papillose.
| Herb with opposite leaves. Achene 5-angled. Pappus of 5–10 scales or bristles | 1. Ageratum. |