alpine armour armoured Asteraceae Carlina acaulis carline dicotyledon Eberwurz edible europe flowering fortune Good humidity hunter's bread hurt indicator medicine needles perennial plant rosette silver thistle spine spiny star stemless sun thistle thorn thorny traditional Araluen Australia bloom blooming blooms budding buds bulb bulbs color colored colorful colors colour coloured colourful colours display displayed flora floral flower flowers garden garden-flower garden-plant gardens horticultural horticulture leaves nature open park petals plants public spring stalks stems tulip tulips Western-Australia composite composite bloom curved flower plant flower-head flowering shrub garden flower garden plant Harry Chittick leucospermum cordifolium multiple orange orange-red stalks patterns pin cushion shape pincushion pincushion protea pollen proteas shrub spikes stamens stigma symmetric symmetry