Plantaginaceae
Penstemon rostriflorus Kellogg
Penstemon rostriflorus Kellogg
Penstemon rostriflorus is a shrubby scarlet-flowered penstemon native to southwestern North America, commonly cultivated in gardens.
Penstemon rupicola (Piper) Howell
Penstemon rupicola (Piper) Howell
Penstemon rupicola, commonly cliff beardtongue or rock penstemon, is a low mat-forming subshrub native to the US west coast that holds a Royal Horticultural Society garden award.
Penstemon rydbergii A.Nelson
Penstemon rydbergii A.Nelson
Penstemon rydbergii, or meadow penstemon, is a herbaceous North American penstemon that typically grows in moist western US habitats.
Penstemon secundiflorus Benth.
Penstemon secundiflorus Benth.
This is a full description of the herbaceous flowering plant Penstemon secundiflorus (sidebells penstemon), covering its habitat, ecology, and cultivation requirements.
Penstemon serrulatus Menzies
Penstemon serrulatus Menzies
Penstemon serrulatus is a low-elevation Pacific Northwest penstemon with blue to purple tubular flowers.
Penstemon speciosus Douglas
Penstemon speciosus Douglas
Penstemon speciosus Douglas is a perennial herb native to western US mountains that feeds certain checkerspot caterpillars.
Penstemon spectabilis Thurb. ex Torr. & A.Gray
Penstemon spectabilis Thurb. ex Torr. & A.Gray
Penstemon spectabilis is a perennial herb native to the mountains of southern California and Baja California.
Penstemon strictus Benth.
Penstemon strictus Benth.
Rocky Mountain penstemon (Penstemon strictus Benth.) is a perennial ornamental penstemon native to the western United States.
Penstemon tenuiflorus Pennell
Penstemon tenuiflorus Pennell
Eastern whiteflower beardtongue (Penstemon tenuiflorus) is a flowering plant in the plantain family native to a small area of the US Southeast.
Penstemon tenuis Small
Penstemon tenuis Small
Penstemon tenuis Small is a North American perennial herb with opposite leaves and pink bilabiate flowers in terminal racemes.
Penstemon tubaeflorus Nutt.
Penstemon tubaeflorus Nutt.
White wand beardtongue (Penstemon tubaeflorus Nutt.) is a Penstemon species found in the US and lower Canada.
Penstemon utahensis Eastw.
Penstemon utahensis Eastw.
Penstemon utahensis, or Utah penstemon, is a herbaceous red-flowered beardtongue native to the western US Colorado River basin.
Penstemon venustus Douglas
Penstemon venustus Douglas
Penstemon venustus is a flowering shrub native to the northwestern US, cultivated for native wilderness landscaping.
Penstemon virens Pennell ex Rydb.
Penstemon virens Pennell ex Rydb.
Penstemon virens is a limited-range North American beardtongue species commonly grown in xeric gardens near Colorado’s Front Range.
Penstemon virgatus A.Gray
Penstemon virgatus A.Gray
Penstemon virgatus, or wandbloom penstemon, is a short-lived perennial herb native to North America, often grown in high altitude gardens.
Penstemon whippleanus A.Gray
Penstemon whippleanus A.Gray
Penstemon whippleanus, or dusky penstemon, is an evergreen perennial ornamental native to the North American central Rocky Mountains.
Plantago albicans L.
Plantago albicans L.
Plantago albicans L. is a self-supporting perennial herb in Plantaginaceae, growing up to 0.3 m with simple broad leaves and dry fruit.
Plantago arenaria Waldst. & Kit.
Plantago arenaria Waldst. & Kit.
Plantago arenaria, also called black psyllium, is an annual medicinal herb native to Eurasia and North Africa, naturalized globally.
Plantago aristata Michx.
Plantago aristata Michx.
Plantago aristata Michx. is an annual herb identified by long narrow hairy-based bracts between its small spiked flowers.
Plantago asiatica L.
Plantago asiatica L.
Plantago asiatica L. is a perennial herb used in traditional and modern medicine, and also consumed as food.
Plantago cornuti Gouan
Plantago cornuti Gouan
Plantago cornuti is a perennial flowering plant in Plantaginaceae native to parts of Eurasia.
Plantago coronopus L.
Plantago coronopus L.
Plantago coronopus L. is an introduced cultivated leaf vegetable native to Eurasia and North Africa.
Plantago debilis R.Br.
Plantago debilis R.Br.
Plantago debilis R.Br. is a small Australian herb traditionally used by Noongar people for skin and injury care.
Plantago erecta E.Morris
Plantago erecta E.Morris
Plantago erecta is a small annual herb native to western North America that hosts the Edith's checkerspot butterfly.
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