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ROS 2 was announced at ROSCon 2014, [64] the first commits to the ros2 repository were made in February 2015, followed by alpha releases in August 2015. [65] The first distribution release of ROS 2, Ardent Apalone, was released on 8 December 2017, [ 65 ] ushering in a new era of next-generation ROS development.
Agalinis (false foxglove) is a genus of about 70 species in North, Central, and South America that until recently was aligned with members of the family Scrophulariaceae. [2] As a result of numerous molecular phylogenetic studies based on various chloroplast DNA ( cpDNA ) loci, it was shown to be more closely related to members of the ...
Digitalis purpurea, the foxglove or common foxglove, is a toxic species of flowering plant in the plantain family Plantaginaceae, [2] native to and widespread throughout most of temperate Europe. [3] It has also naturalized in parts of North America, as well as some other temperate regions.
Digitalis isabelliana is a broadleaf evergreen perennial shrub, growing up to 1.5 m (4 ft 11 in) in height, with a much-branched woody base.The leaves are broadly ovate, dark green, glabrous, and with a serrated margin.
Agalinis aspera, the rough agalinis, rough false foxglove, or tall false foxglove, is a non-poisonous plant of the genus Agalinis, habitating in the dry prairies. It can grow to be about eight to twenty-four inches tall. When the flowers bloom, the colors vary between purple and pink.
Digitalis obscura is a shrub or herbaceous perennial growing from a woody base, reaching 1 to 3.9 feet (0.30 to 1.19 m) tall. [6] The stems are smooth and erect. The long leaves are basal and form in a rosette fashion, growing outward closer to the ground.
Hendrik Goltzius, A Foxglove in Bloom, 1592, National Gallery of Art, NGA 94900 The generic epithet Digitalis is from the Latin digitus (finger). [8] Leonhart Fuchs first invented the name for this plant in his 1542 book De historia stirpium commentarii insignes (Notable comments on the history of plants), based upon the German vernacular name Fingerhut, [9] [10] which translates literally as ...
Digitalis grandiflora, the yellow foxglove, [1] [2] big-flowered foxglove, or large yellow foxglove, is a species of flowering plant in the genus Digitalis, family Plantaginaceae (formerly Scrophulariaceae). It is native to southern Europe and Asia. In mountains it grows on warm, bushy slopes or areas left after logging.