rovan flower bud is covered with pubescent scales

alchemy ash aucuparia beard blackberry bloom blossom breaking bud budbreak budding buds bursting colds cotton covering dogwood downiness evocation field flower flowering fluff frost frosts frosty fruit gemma gemmation indumentum late later leaf leafingout leaves lowtemperature nights phenology plant pubescence pubescent pushing quicken resistance rigor rovan scales sorbus spring springs springtide springtime thick tree unexpanded vegetative wakening winter woody