Sarcandraxylon, Pipo & Iglesias & Bodnar, 2020
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publication ID |
https://doi.org/ 10.4202/app.00697.2019 |
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persistent identifier |
https://treatment.plazi.org/id/3B69DD14-0147-FFE3-FC85-FB9641E4F9AF |
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treatment provided by |
Felipe |
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scientific name |
Sarcandraxylon |
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Genus Sarcandraxylon nov.
PFNR: PFN001016.
Etymology: Combination of Sarcandra , a extant Chloranthaceae genus, and wood ending greek; in reference its similarity of stem anatomy. Type species: Sarcandraxylon sanjosense sp. nov.; see below.
Diagnosis.—Stem has wide, circular and parenchymatous pith. The primary vascular system is formed by one cycle of collateral vascular bundles, with endarch protoxylem. Secondary vascular system developed by a cambial variant resulting in segments of vascular tissue separated by wide interfascicular multiseriate parenchyma rays. Secondary xylem is vesselless without axial parenchyma.
Stratigraphic and geographic range.—Upper Beta Member, Santa Marta Formation, Marambio Group, James Ross Basin at San Jose Pass, northern James Ross Island, Antarctic Peninsula, early–middle Campanian (~83–77 Ma), Late Cretaceous.
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