Place of Publication
Cont. Gray Herb. 81: 27 (1928)
Chile, Región de Antofagasta, Prov. Antofagasta, prope Taltal, Oct. 1889, L. Darapsky 30 (holotype SGO 54432).
- palo negro (Luebert (2013))
- monte negro (Luebert (2013))
- Vulnerable VUB2(b,c) (Luebert (2013))
- Luebert (2013): Fig. 8(a-f)
- Luebert (2013)
Johnston, I.M. 1928. Studies in the Boraginaceae. VII. The South American species of Heliotropium; Notes on various Boraginoideae. Contributions from the Gray Herbarium of Harvard University 81:3-83
Erect shrub 65–100 cm tall. Flowering from September to November.
Most closely related to H. sinuatum which is also resinous and has sinuate and rugose leaves but H. taltalense differs in having forked secondary veins and more pubescence on its leaves (Luebert, 2013).
Distribution and habitat
Coastal hills of the province of Antofagasta where it is abundant between Miguel Díaz and Taltal (24°30'–25°29'S). Coastal areas usually outside the fog zone and ranging from 50–1060metres above sea level. Locally common amongst Balbisia peduncularis, Copiapoa tenebrosa, Euphorbia lactiflua, Nolana divaricata, Nolana incana and Tetragonia maritima (Luebert, 2013).