plant iva xanthiifolia cyclachaena xanthiifolia, giant sumpweed, marsh-elder.

achene annual background bloom botanical closeup color cyclachaena drought ecology elder environment family field flora floral flowers fresh garden gardening giant grayish green herb herbaceous iva landscape leaf leafs marsh natural nature outdoor park plant poison season spring stem summer sumpweed sunflower sunlight sunlit texture tolerant toxic weed xanthiifolia