Biology:Chaloneria
From HandWiki
Chaloneria is a genus of extinct lycopsid from the Middle to Late Pennsylvanian of the Carboniferous. The unbranched plant grows to a height of around 2 m, with a stem diameter of 10 cm. Leaves, adorning the stem in a helical pattern, leaving behind irregular leaf scars when broken off. It has a fertile region at the top of the stem, bearing alternating micro- and megasporangial areas.[1]
References
- ↑ Pigg, Kathleen B.; Rothwell, Gar W. (1983). "Chaloneria Gen. Nov.; Heterosporous Lycophytes from the Pennsylvanian of North America". Botanical Gazette 144 (1): 132–147. ISSN 0006-8071. https://www.jstor.org/stable/2474677.
Wikidata ☰ Q21368238 entry
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