appearance cone cycad cycads durable firm fronds fruit green hardy inedible large painted appearance pineapple-shaped poisonous primitive resistant seed pod shape strange surface temperate texture textures unusual annual bee bloom blue-sky bright brown cluster composite flower flora florets flower flowers gold golden helianthus annuus inflorescence insect kernels large-head light pattern petals plant plants popular radiant seeds sky spiral spiralling-florets sunflower sunflowers sunlight sunny sunshine widespread yellow color colors colour colours composite-flower contrast contrasting dark Helianthus seedy black Australian bearded capsule colorful colourful conical dry eucalypts evergreen mallee tree native red seed pods silvery-gray silvery-grey stamen tipped tips trees