Fox-tail agave (Agave attenuata)
Fox tail agave (Agave attenuata)
Century plant leaves
Blue Agave (Agave tequilana)
Cactus spines
Aloe vera
Agave leaves
Agave
Alluaudia procera spines and leaves
Spurge (Euphorbia canariensis)
Cactus plants
Cactus plant
Aloe vera flowers
Alluaudia procera leaves
Alluaudia procera tree
Sea holly
Blessed thistle (Cnicus benedictus)
Houseleek (Sempervivum montana)
Houseleek (Sempervivum 'Blue Boy')
Thorns of an agave
Lion's tail (Leonotis leonurus) in flower
Prickly pear cactus, Opuntia ficus-indica
Agave Plant
Lion's tail (Leonotis leonurus)
Rose thorns
Mammillaria zeilmanniana
Flowering cactus plant
Flowering cactus (Cleistocactus sepium)
Cactus plant spines
Star cactus (Astrophytum ornatum)
Cacti
Echinopsis smrziana
Prickly pear cactus (Opuntia sp.)
Euphorbia officinarum subsp. echinus
Agave attenuata plant
Cultivated agave
Prickly pear (Opuntia ficus-indica)
Mammillaria geminispina cactus
Goosegrass leaf, SEM
Saguaro cactus
Cleistocactus cactus
Cactus
Cacti garden
Parodia cactus and succulents
Slender candelabra euphorbia (Euphorbia avasmontana)
Succulent spiny spurge (Euphorbia grandicornis)
Castor oil fruits (Ricinus communis)
Thorn apple (Datura stramonium) seed pod
Polaskia chichipe cactus
Sea holly (Eryngium giganteum)
Acacia thorns
Honey locust thorn
Aloe Vera (aloe barbadensis) plant, extreme close-up
Ferocactus cactus
Lion's tail (Leonotis leonurus) flowers
Lava cactus
Venus flytrap leaf, SEM
Cabbage thistle (Cirsium oleraceum)
Close up of thorns of plant from agave species
Venus flytrap (Dionaea muscipula)
Thorn apple seed pod
Holly leaves
Sweet chestnut
Prickly pears (Opuntia ficus-indica)
Parodia herteri cactus
Gymnocalycium stenopleurum cactus
Gymnocalcyium horstii cactus
Mammillaria spinosissima in flower
Cactus, Epithelantha micromeris
Cactus (Winterocereus aureispina)
Cactus against a clear blue sky
Agave lophantha
Ceiba;name of a genus of many species of large trees found in tropical areas;including Mexico;Guatemala;Central and South America
Teasel flower head
Pineapples (Ananas comosus)
Potted cactus plant
Echeveria plant
Carnivorous plant leaf scales, SEM
Bramble stem, foliage and root system
Balm of Gilead (Cedronella canariensis) stem
Holly (Osmanthus heterophyllus)
Thornapple seeds
Bramble (Rubus sp.) branch, X-ray
Agave (Agave victoriae-reginae) plant, full frame
Sisal (Agave sisalana)
Thistle flower
Plant trichome, light micrograph
Beech (Fagus sylvatica)
Sweet chestnuts (Castanea sativa)
Centaurea sphaerocephala flower
Acacia flowers (Acacia karoo)
Agave americana 'Marginata'
Spear thistle flower
Agave leaf
Decablone meintjesii
Wild dagga flower
Agave detail
Tobacco (Nicotiana alata) leaf, SEM
Close-up of Agave Plant
Close-up of cactus plant, Yelapa, Jalisco, Mexico
Venus flytrap leaves, SEM
Cactus needles
Gorse (Ulex europaeus), Pembrokeshire, Wales, UK
Stachys recta calyx, light micrograph
Teasel seed head
Close-up of thorns on a spiked plant, San Miguel de Allende, Guanajuato, Mexico
Didieriaceae thorns
Flower pollen
Chilean Rhubarb (Gunnera manicata)
Rosa thorns
Cactus Facheiroa ulei abstract
Pochote tree (Pachira quinata), Oaxaca, Mexico
Teasel (Dipsacus sylvestris)
Ripe sloes (Prunus spinosa)
Cactus in flower
Dried teasel abstract
Wind sculpted hawthorn tree (Crataegus monogyna)
Fresh green succulent plants in garden
Acacia karoo thorns
Carline thistle
Cotton thistle (Onopordum acanthium)
Spear thistle (Onopordum sp.)
Agave 'Kissho Kan'
Artichoke agave (Agave parryi var. truncata)
花と植物
サボテン
Ball cactus (Parodia magnifica)
Bee sting
Mammillaria bombycina
Aylostera 'Apricot Ice'
Echinocereus engelmannii
Prickly pear cactus flower
Mangave (Agave 'Silver Fox') plant
Spiny bush cricket
Queen Victoria agave (Agave victoriae-reginae)
Cactus against orange background
自然風景
棘を連ねたサボテン・金鯱のアップ
丸く棘を広げるサボテン・銀砂丸のアップ
Aloe vera leaves
Eryngium 'Dove Cottage Hybrid'
Eryngium x tripartitum flowers
London plane (Platanus ラ hispanica) fruit
Cacti (Echinopsis atacamensis)