cistus ladanifer, rockrose or labdanum at the archaeological circuit in vale fuzeiros at vilarinha, algarve, portugal

portugal valley vale fuzeiros rockrose labdanum cistus ladanifer circuit vilarinha walk menhir algarve trail nature landscape hiking outdoor sandstone circuito arqueologico path trekking hike landmark bloom flora blossom flower floral plant yellow white blooming botanical gum leaf cistaceae ecosystem blossoming heath rock rose botany vegetation spring botanic