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Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.
img img Manual of the Trees of North America (Exclusive of Mexico) 2nd ed. img Chapter 68 BURSERACE .
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Chapter 68 BURSERACE .

Trees or shrubs, with resinous bark and wood. Leaves alternate, pinnate, without stipules. Flowers perfect or polygamous, in clustered racemes or panicles; calyx 4-5-lobed, the lobes imbricated in the bud, persistent; petals 4-5, imbricated in the bud, distinct or slightly united, deciduous; stamens twice as many as the petals, inserted under the a

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