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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Theaceae

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1 Leaves deciduous, medium green above, herbaceous in texture.
  2 Leaves broader toward the tip, 2-2.5× as long as wide; [tribe Gordonieae]
  2 Leaves broadest near or below the middle, 1-1.8× as long as wide); [tribe Stewartieae]
1 Leaves evergreen, dark green above, coriaceous in texture.
    3 Leaves ovate to elliptic (broadest at or below the middle), 1-3× as long as wide, slightly to strongly acuminate, 5-10 (-15) cm long; [introduced shrub, planted in upland soils]; [tribe Theeae]
    3 Leaves oblanceolate to narrowly elliptic (broadest at or above the middle), 2.5-4× as long as wide, acute to obtuse (rarely slightly acuminate), 8-30 cm long; [small to large tree, native in acidic Coastal Plain wetlands]; [tribe Gordonieae]
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