Why do trees stand erect without skeleton?

Why are the four o clock flowers called four o clock? Why is there no elm tree forest in ire land? What does a dormant tree look like? What was the difference between Tidewater planters and back country farmers? Are tomatoes fruits or vegtables? Who brought poinsettas to the US? How do plants that give off oxygen contribute to the overall health of the environment? How do you deadhead a pjm rhododendron? What would happen if a trees bark were stripped away? How can I effectively clean landscape stones to maintain their appearance and durability? Who wrote the son g seven daffodils? Suggest 2 features a farmer would want to breed into his plants or animals? Is there any plant with salty taste? How can I effectively remove long grass weeds from my lawn? What is a wooded rise called? Is centranthus poisonous? How often should I mow the lawn to maintain its health and appearance? Does plant have a short vowel or long vowel? How often should I be watering cucumbers to ensure they thrive and produce a bountiful harvest? What language do trees speak?