Mentzelia oligosperma

The most widespread of the orange-flowered Mentzelia. As the name suggests, it has fewer seeds than other, similar species. It also has shorter, broader leaves than the similar M. asperula and M. isolata.

A flower & cauline leaves on the east side of the loop trail in Bar Canyon, southwestern Organ Mountains, Doña Ana Co., New Mexico, 27 Aug 2008.



An immature fruit in Bar Canyon, 27 Aug 2008.



A halved immature fruit in Bar Canyon, showing the developing seeds, 27 Aug 2008.



Plant habit in Bar Canyon, 27 Aug 2008.



Closer view of a leaf in Bar Canyon, 27 Aug 2008.

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