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| | Alismatales (Site not responding. Last check: ) |
 | | Aponogetonaceae + Juncaginaceae + Posidoniaceae + Ruppiaceae + Cymodoceaceae + Zosteraceae + Potamogetonaceae: ? |
 | | Juncaginaceae + Posidoniaceae + Ruppiaceae + Cymodoceaceae + Zosteraceae + Potamogetonaceae: sulphated phenolic acids +, leucanthocyanins, flavones 0; leaf ± linear, base auriculate, ligulate; P 0 or reduced ["abaxial outgrowth" of A], anthers sessile, pollen inaperturate, nectary 0, carpels with complete postgenital fusion [sampling!]. |
 | | Posidoniaceae + Ruppiaceae + Cymodoceaceae + Zosteraceae + Potamogetonaceae: aquatics; rhizome with endodermis; epidermis chlorophyllous; water pollination; carpels ascidiate [sampling!], 1 apical atropous ovule/carpel; embryo with massive elongated hypocotyl, also prominent in seedling, collar or base of hypocotyl much enlarged. |
| www.mobot.org /MOBOT/research/APweb/orders/alismatalesweb.htm (6060 words) |
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