Penstemon digitalis "finger": the flowers resemble fingers of a glove. The plant grows in moist, sandy soil in full sun in meadows, prairies, fields, wood margins, open woods and along railroad tracks. Its bloom period is from late spring to early summer. The plant is known to attract, butterflies, and birds such as hummingbirds. It tolerates deer browsing. Native states for "P. digitalis" include Iowa, Nebraska, and Missouri although it is less common in Iowan native prairies compared to other "Penstemon" species. The genus "Penstemon" is the largest in North America with 270 species. However, genome size was relatively unknown for the
Orazio Comes Orazio Comes Orazio Comes (11 November 1848 – 13 October 1917) was an Italian botanist. From 1906 to 1917 he directed the Agricultural Higher Institute of Portici, in which, thanks to Vincenzo de Cesati, he begun teaching since 1877 as assistant of Nicola Pedicino for the chair of botany, to whom he succeeded in 1880. In his works he studied the physiology and plant pathology of Neapolitan mushrooms and agricultural plants, such as beans and tobacco. From 1881, Comes began to deal with the cultivation of tobacco to improve industrial production and, starting from 1891, he emphasized the study and