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Key to Hamamelidaceae

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Show caption*© Alan Weakley 1 Leaves entire or with very obscure teeth (visible at 10×); petals 4-5 (-6), white, cream, or pink  Loropetalum chinense

Show caption*© Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner 1 Leaves coarsely crenate, at least towards the apex; petals 0 or 4, if present, greenish, yellow, or reddish.

Show caption*© Scott Ward   2 Petals 0; stamens 10-32; flowers numerous in dense globose or elongate spikes; leaves with a symmetric or asymmetric (oblique) base, the lateral veins marginal for a distance of at least 2-3 mm (F. major) or included in the blade tissue; [tribe Fothergilleae]  Fothergilla

Show caption*© Scott Ward   2 Petals 4; stamens 4; flowers few in small clusters; leaves with a weakly to strongly asymmetric (oblique) base, the lateral veins included in the blade tissue or barely exposed for a distance of <1 mm; [tribe Hamamelideae]  Hamamelis