angle banana bio contrast garden green leaf leaves light lines nature photosynthesis plant rural shadow sunlight Golden Gate Park grow organic park San Francisco summer vein veins close drop flower macro margerit Nyberg rain UP water autumn autumnal illness indian summer isolated single thanksgiving yellow leave close up close-up curved detail hairy leaflet texture white bee closeup insect sun tree warm warming yellow clover Four-leaf clover luck New Year New Years Eve shamrock St.Patrick symbol wish wishes biome botany petal Terrestrial plant vegetation bloom blooming Burgundy flowering red spring