Heliotropium megalanthum I.M. Johnst.

Place of Publication

Cont. Gray Herb. 81: 35 (1928)

Type citation

Based on Cochrane corymbosa: "in prov. Coquimbo" [dry valleys and hills between Huasco and Copiapô], [Sept. 1841], T. Bridges 1341 (lectotype: BM, selected by Johnston (1928b: 35); isolectotypes: Ε E00143685, Κ ).

Synonyms

References

Johnston (1928)

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
Luebert (2013)

Luebert, F. 2013. A revision of Heliotropium sect. Cochranea (Heliotropiaceae). Kew Bulletin 68(1): 1-54.

Regions

Atacama and Coquimbo

Habitat

Desert and Desert fog oases (Lomas)

Distribution and habitat

Coastal or interior areas within the province of Copiapó and Huasco between 27º42'S and 28º38'S. From sea level to 620 m where it grows with Atriplex clivicola, Eulychnia breviflora and Oxalis virgosa.

Distribution

Heliotropium megalanthum I.M. Johnst.
- Heliotropium megalanthum I.M. Johnst.
- - Heliotropium megalanthum I.M. Johnst.
  - - Heliotropium megalanthum I.M. Johnst.
    - - Heliotropium megalanthum I.M. Johnst.
      - Heliotropium megalanthum I.M. Johnst.
        
        Heliotropium megalanthum I.M. Johnst.
        
        Heliotropium megalanthum I.M. Johnst.
        
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Conservation status

Vulnerbale B2 (a,b,c) (Luebert (2013))

Habit

Decumbent shrubs, 0.09-0.4 m tall. Flowering from September to October.

Key characteristics

This species is distinguished by its large flowers with a yellow to orange corolla throat and its decumbent habit (Luebert, 2013). It could be confused with H. floridum but this has strigose leaves and an erect habit and the style is longer than the stigmatic head (Luebert, 2013).

Notes

Seed of this species is banked by the national seed bank of Chile, INIA.