Journal
HISTORICAL BIOLOGY
Volume 27, Issue 3-4, Pages 308-315Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08912963.2014.897344
Keywords
Late Devonian; lobed secondary xylem; South China; Lobodendron fanwanense; pseudoherbaceous lycopsids
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Funding
- National Natural Science Foundation of China [41172007, 41272018]
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An anatomically preserved lycopsid, Lobodendron fanwanensegen. et sp. nov. Liu, Wang, Xue & Meng, is described from the Upper Devonian (Famennian) Wutong Formation of Changxing County, Zhejiang Province, China. The fossil plant bears slender, dichotomously branched axes. The vascular strand consists of solid terete primary xylem and lobed secondary xylem, which implies the result from the activity of possibly discontinuous cambium. The new plant has character combinations that do not conform to any branches in the canopy of the tree-lycopsids known previously, but resemble those of the basal part of some pseudoherbaceous lycopsids. This new plant may exemplify a Late Devonian lycopsid with a pseudoherbaceous growth habit.
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