Mallee blue-flower Halgania cyanea, photographed by Judy.

Belongs within: Boraginaceae.

The Ehretioideae are a group of mostly tropical trees and shrubs.

Characters (from Simpson 2010): Ovary four-lobed with terminal two-branched style; fruit a drupe with two (two-seeded) or four (one-seeded) pyrenes.

    |--Saccellium lanceolatum LC02
    |--Tiquilia plicata LC02
    |--Coldenia procumbens BR65
    |--Ehretia LC02
    |    |--E. acuminata BB07
    |    |--E. cymosa LC02
    |    |--E. laevis KJ05
    |    `--E. namibiensis CV06
    |         |--E. n. ssp. namibiensis CV06
    |         `--E. n. ssp. kaokoensis CV06
    `--Halgania BR65
         |--H. andromedifolia G04
         |--H. corymbosa BR65
         |--H. cyanea Lindley 1839 [incl. H. preissiana Lehmann 1844-1845, H. strigosa Schlechtendal 1847] BR65
         |--H. glabra Black 1936 BR65
         |--H. integerrima G04
         |--H. lavandulacea BR65
         `--H. littoralis BR65

*Type species of generic name indicated


[BB07] Baishya, A. K. & P. J. Bora. 2007. Cross community ethno-medico botany of Dibru-Saikhowa Biosphere Reserve, Assam. Bulletin of the Botanical Survey of India 49 (1-4): 121-154.

[BR65] Black, J. M., & E. L. Robertson. 1965. Flora of South Australia. Part IV. Oleaceae-Compositae. W. L. Hawes, Government Printer: Adelaide.

[CV06] Craven, P., & P. Vorster. 2006. Patterns of plant diversity and endemism in Namibia. Bothalia 36 (2): 175-189.

[G04] Gibson, N. 2004. Flora and vegetation of the Eastern Goldfields Ranges: part 7. Middle and South Ironcap, Digger Rock and Hatter Hill. Journal of the Royal Society of Western Australia 87 (2): 49-62.

[KJ05] Katewa, S. S., A. Jain, B. L. Chaudhary & P. Galav. 2005. Some unreported medicinal uses of plants from the tribal area of Southern Rajasthan. Bulletin of the Botanical Survey of India 47 (1-4): 121-130.

[LC02] Långström, E., & M. W. Chase. 2002. Tribes of Boraginoideae (Boraginaceae) and placement of Antiphytum, Echiochilon, Ogastemma and Sericostoma: A phylogenetic analysis based on atpB plastid DNA sequence data. Plant Systematics and Evolution 234: 137-153.

Simpson, M. G. 2010. Plant Systematics. Academic Press.

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