Echium is a genus of 60 species of flowering plant in the family Boraginaceae.
Principal is a settlement in the northern part of the island of Santiago, Cape Verde.
 Its 2010 population was 1,193.
 The center of the village is the section of Hortelão.
 It is situated in the mountains, about 3 km north of the summit of the Serra da Malagueta and 9 km west of Calheta de São Miguel, the settlement lies next to the Natural Park.
 The settlement is named after Ribeira Principal, a nearby stream that is about 10-15 kilometers long and flowing predominantly northeast, the stream's etymology is the main stream (actually one of the main) of the island but not the longest.
 One of the endangered plants founded in the area and the valley is "Echium hypertropicum".
Francoa is a genus of the Melianthaceae family which consists of herbs endemic to Chile.
 Plants may grow up to one metre high and produce basal clumps of round, deeply lobed, dark green, fuzzy leaves with winged leafstalks.
 Compact racemes of small, cup-shaped flowers, which are pink with red markings, appear in summer and early fall.
Echium albicans, commonly known as white-leaved bugloss, is a species of purple coloured perennial plants from Boraginaceae family, that can be found in Andalucían mountains and in Marbella.
The Francoaceae are a small family of plants in the order Geraniales, including the genera "Francoa", commonly known as bridal wreaths, and "Tetilla".
 The Francoaceae are recognized as a family under various classification schemes but under the APG III system the Francoaceae are included within the Melianthaceae.
 In the APG IV system the Francoaceae are again recognized as a family, with Melianthaceae included in the circumscription of Francoaceae.

Question: Are Francoa and Echium both plants?
Answer: yes