Caryophyllineae
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| Caryophyllineae | ||||||||||
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Caryophyllales is a suborder of flowering plants.
[edit] Systematics
Caryophyllales is separated into 2 sub-orders: Caryophyllineae and Polygonineae. This sub-order contains 21 families and 8,600 species and major families include Aizoaceae, Caryophyllaceae, Phytolaccaceae, Petiveriaceae, Nyctaginaceae, Amaranthaceae, Cactaceae, and Portulaceae. [1]
The core Caryophyllineae sub-order is well-supported with numerous distinctive synapomorphies, [1] such as: 1) sieve tubes of phloem with plastids with peripheral ring of proteinaceous filaments (often with a central protein crystal), 2) presence of betalains, 3) loss of the rpl2 intron in cpDNA, 4) single whorl of tepals, 5) pollen with spinulose and tubiliferous/punctuate exine, 6) placentation free-central to basal, curved embryo, and 7) presence of perisperm with endosperm scanty or lacking [1]
[edit] References
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