| Commelinoideae | |
|---|---|
 | |
| Commelina maculata inNarsapur, Medak district,India. | |
Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Commelinales |
| Family: | Commelinaceae |
| Subfamily: | Commelinoideae Faden & D.R. Hunt |
| Tribes | |
Commelinoideae is asubfamily ofmonocotyledonous plants in the dayflower family (Commelinaceae). It is one of two subfamilies within the Commelinaceae and includes 39 genera (out of 41 in the family) and all but 12 of the family's several hundred known species. The subfamily is further broken down into twotribes, theTradescantieae, which includes 26 genera and about 300 species, and theCommelineae, which contains 13 genera and about 350 species.
The Commelinoideae is separatedmorphologically from the other subfamily,Cartonematoideae, in having glandular microhairs, arteries containing needle-likecalcium oxalate crystals calledraphide canals in between the veins of the leaves, and flowers that are virtually never both yellow andactinomorphic.[1]Molecular phylogenetics also supports the separation of the two subfamilies.[2]
The following is aphylogeny, or evolutionary tree, of most of the genera in Commelinoideae based onDNA sequences from theplastid gene rbcL[2]
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