Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Porella pinnata Linnaeus

Family: Porellaceae

Status: Native

Synonyms:
None

Porella pinnata is most notable in its microscopic appearance. Its lobules are only about 50% the width of the underleaves. Both the underleaves and the lobules (as well as the main lobe of the leaf) are entire to slightly lobed. There are no obvious gemmae. Please click on an image for a larger file.



Porella pinnata (wet on left, dry on right), collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of wet stem, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of stem and branches, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of lobules and underleaves, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of lobules and underleaves, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of lobule on left and underleaf on right, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023



Porella pinnata, photomicrograph of cells of main lobe, collection & ID by W.R. Norris, Missouri, Montgomery County, Missouri Ozark Mtns., Big Spring, submerged, September, 1990; photos by Russ Kleinman & Karen Blisard, February 2, 2023


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