Heliotropiaceae

Heliotropiaceae are a cosmopolitan family of flowering plants with approximately 450 species worldwide, though it is concentrated especially in the tropics and subtropics.[1]

The following are the four genera in the family:

Ixorhea is sister to Euploca and Myriopus.[2] Together they form a clade sister to Heliotropium, which comprises four major clades: Heliotropium sect. Heliothamnus I.M.Johnst., Old World Heliotropium, Heliotropium sect. Cochranea (Miers) Post & Kuntze, and the Tournefortia-clade, the latter comprising Tournefortia sect. Tournefortia and all remaining New World species of Heliotropium.[3][4]

  1. ^ Luebert, Federico; Cecchi, Lorenzo; Frohlich, Michael W.; Gottschling, Marc; Guilliams, C. Matt; Hasenstab-Lehman, Kristen E.; Hilger, Hartmut H.; Miller, James S.; Mittelbach, Moritz; Nazaire, Mare; Nepi, Massimo (2016-06-24). "Familial classification of the Boraginales". Taxon. 65 (3): 502–522. doi:10.12705/653.5. hdl:11365/993946. ISSN 0040-0262.
  2. ^ Weigend, Maximilian; Luebert, Federico; Gottschling, Marc; Couvreur, Thomas L.P.; Hilger, Hartmut H.; Miller, James S. (October 2014). "From capsules to nutlets-phylogenetic relationships in the Boraginales". Cladistics. 30 (5): 508–518. doi:10.1111/cla.12061. PMID 34794245. S2CID 11954615.
  3. ^ Hilger, Hartmut H.; Diane, Nadja (2003-12-17). "A systematic analysis of Heliotropiaceae (Boraginales) based on trnL and ITS1 sequence data". Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. 125 (1): 19–51. doi:10.1127/0006-8152/2003/0125-0019. ISSN 0006-8152.
  4. ^ Luebert, Federico; Brokamp, Grischa; Wen, Jun; Weigend, Maximilian; Hilger, Hartmut H. (June 2011). "Phylogenetic relationships and morphological diversity in Neotropical Heliotropium (Heliotropiaceae)". Taxon. 60 (3): 663–680. doi:10.1002/tax.603004.

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