vincetoxicum hirundinaria. close up of white swallow wort.vincetoxicum in the family apocynaceae

white hirundinaria vincetoxicum plant nature outdoor green flower herb swallowwort swallow wort natural wild blooming spring apocynaceae perennial meadow beautiful environment medicinal close up botany forest garden leaf summer macro pastel island rocky yellow flowers ocean leaves beauty sea water background poison herba park perennis antidote archipelago tranquil midsummer