| Amber tree () A species of Anthospermum, a shrub with evergreen leaves, which, when bruised, emit a fragrant odor. |
| Bay tree () A species of laurel. (Laurus nobilis). |
| Beam tree () A tree (Pyrus aria) related to the apple. |
| Beech tree () The beech. |
| Botanical (a.) Of or pertaining to botany |
| Bo tree () The peepul tree |
| Bully tree () The name of several West Indian trees of the order Sapotaceae, as Dipholis nigra and species of Sapota and Mimusops. Most of them yield a substance closely resembling gutta-percha. |
| Candleberry tree () A shrub (the Myrica cerifera, or wax-bearing myrtle), common in North America, the little nuts of which are covered with a greenish white wax, which was formerly, used for hardening candles |
| Caper tree () See Capper, a plant, 2. |
| Cow tree () A tree (Galactodendron utile or Brosimum Galactodendron) of South America, which yields, on incision, a nourishing fluid, resembling milk. |
| Cyathea / genus Cyathea type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands |
| silver tree fern / sago fern / black tree fern / Cyathea medullaris a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides |