Asplenium
Asplenium er ættkvísl um 700 burknategunda í Aspleniaceae ættinni og er af flestum grasafræðingum talin eina ættkvísl ættarinnar. Þetta er breytileg ættkvísl með nokkrum undirflokkum, sem stundum eru flokkaðar sem sér ættkvíslir.
in Iceland
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Gardening
Penstemon
Penstemon is a genus in the family Plantaginaceae. It is a large genus native to N-America. They are usually low growing herbaceous plants or sub-shrubs with irregularly shaped flowers. They prefer full sun and many are well suited to rock gardens.
Penstemon crandallii
Crandall's Beardtongue
Crandall's beardtongue is a mat forming, shrubby rock garden plant with blue flowers.
Penstemon fruticosus
Shrubby Penstemon
Shrubby penstemon is a low-growing, shrubby perennial with lilac-mauve flowers.
Penstemon pinifolius
Pineleaf Penstemon
Pineleaf penstemon is a low-growing, shrubby perennial with bright red flowers.
Penstemon rupicola 'Pink Dragon'
Rock Penstemon
Rock penstemon is a low-growing, shrubby perennial with flowers in variable shades of pink or lilac. 'Pink Dragon' is a variety with lilac-pink flowers.
Penstemon serrulatus
Cascade Penstemon
Cascade penstemon is a hardy, medium sized perennial with purple flowers.
Penstemon strictus
Rocky Mountain Beardtongue
Rocky Mountain Beardtongue is a medium sized perennial with purple - violet-blue flowers.
Penstemon whippleanus
Whipple's Penstemon
Whipple's Penstemon is a medium sized perennial with dark purple flowers.