geneva bugle (ajuga genevensis), blue spike inflorescences photographed outdoors. 

macrophotography of geneva bugle (ajuga genevensis), blue  inflorescence photographed outdoors near a grey stone. 

中国台湾台北士林官邸的金苞花

anatomy of trichome with biological model structure closeup outline diagram. labeled educational scheme with microscopic side view of cuticle, striae, stipe, basal cells and bract vector illustration.

bougainvillea spectabilis flowers are generally small, white, and inconspicuous, highlighted by several brightly colored modified leaves called bracts. the bracts can vary in color.

bougainvillea glabra, also known as paper flower. lesser bougainvillea - red bract

green beauty: scotch broom, (cytisus scoparius) bracts unveil late fall's new gems.

红楼花红苞花鸡冠爵床微距摄影

mexican shrimp plant, long colorful bracts which look somewhat like shrimps and green leaves, close up. justicia brandegeeana or false hop is evergreen shrub, flowering plant of the family acanthaceae

close-up of the toadshade or toad trillium (trillium sessile) with a whorl of three bracts (leaves) and a single trimerous reddish-purple flower with 3 sepals in garden

long brightly colored red bracts of red ginger flower

bougainvillea spectabilis is an ornamental and hedge plant. it flowers in axillary clusters of threes, each flower with a purple bract (this image) beneath. bracts can be red, pink or orange.

tap-rooted dandelion or taraxacum perennial herbaceous plant with specialized leaves or green bracts growing between concrete curb and gravel mixed with other small garden flowering plants at urban

pink bougainvillea flowers and bracts in the caribbean islands, guadeloupe. bougainvillea spectabilis in bloom

a close-up of exotic bromeliads with vivid orange and pink bracts, nestled among green foliage in a serene garden.

an african honeybee, apis mellifera scutellata, perched on one of the pink bracts of a drakensberg dwarf sugar bush.

地里玉米秸秆结满成熟的玉米苞谷

leucadendron salignum proteaceae or common sunshine conebush shrub closeup showing attractive red leaves and bracts in the wild western cape, south africa

dandelion or taraxacum tap-rooted perennial herbaceous plant with small blooming bright yellow flowers collected together into a composite flower head called floret and specialized leaves or bracts

berberis aquifolium - oregon grape or holly-leaved barberry. spring flowering in clusters of yellow flowers with greenish-yellow bract pollinated by bee

a bougainvillea close-up, showcasing vibrant pinkish-purple bracts against green foliage

berberis aquifolium - oregon grape or holly-leaved barberry. spring flowering in clusters of yellow flowers with greenish-yellow bract on thick stems bearing pinnate leaves with spiny leaflets 

white bougainvillea flower with pink, red bracts, extreme macro, close-up.

linden  bract and flowers isolated on white background

odontites vernus plant blooming in a meadow in the czech republic in europe. the pink flowers grow on the opposite side of the bracts. it is a reddish flowering herb.

eryngium planum or bourgatii, spherical bluish silver flowerheads with spiny bracts, close up. sea holly is a clump-forming herbaceous perennial tap-rooted herb, flowering plant in the family apiaceae

dandelion or taraxacum tap-rooted perennial herbaceous plant with two open blooming yellow flowers growing between bright fresh green bracts or specialized leaves in front of wire fence next to paved 

closeup of the flowers and bracts of sea holly, eryngium x zabelii variety big blue

silhouettes of dried wild teasels (dipsacus fullonum) a flowering plant with cones of spine-tipped hard bracts, prickly stem and leaves. colorful blue yellow sky gradient background with light clouds.

set of poinsettia flower and its petals and leaves. mexican poinsettia plant with red scarlet bracts surrounding the small yellow flowers. a popular houseplant for christmas or new year.

silhouettes of 3 dried wild teasels (dipsacus fullonum) a flowering herbaceous biennial plant with cones of spine-tipped hard bracts, prickly stem and leaves. colorful yellow sunset sky background.

crown-of-thorns, a resilient and low-maintenance succulent native to madagascar, captivates with its dramatic appearance, featuring vibrant red bracts, spiky stems, and striking flowers.

closeup of giant red indian paintbrush bracts (castilleja miniata)

bright pink and white poinsettia bracts and flowers close up

showy ornamental bracted carmine pink blooms of magnificent weeping  colorful bouganvillea magnifica traillii plant in summer glory trailing over a fence adds a tropical splendour to the landscape.

collection of linden flowers, tilia bracts and leaves isolated on white background. 

closeup of the back side of a bright yellow sunflower isolated on white showing the petals, bracts, and stem. isolated on white with copy space.

lush golden shrimp plant displaying vibrant yellow bracts, nestled among fresh green leaves in a serene garden setting.

a variegated bougainvillea shrub with white bract in the garden

guzmania hybrid bromeliad plants in yellow and red. bromeliads are epiphytes and the bracts surrounding the tiny flowers are colorful

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