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Tag Archives: Mitchell Mill State Natural Area
Common Water-starwort (Callitriche heterophylla) at the Mitchell Mill S.N.A.
Contrary to most of the aquatic weeds at the Mitchell Mill State Natural Area, Common Water-starwort, Callitriche heterophylla, is a native plant and is not considered invasive. It is a small and relatively fragile plant that inhabits the quiet pools … Continue reading
Portulaca amilis (Paraguayan Purslane) : A Tropical Immigrant to North Carolina
Portulacas in the Southeast are annuals that have succulent leaves and stems. They are often prostrate and branched, and have small, bright flowers with a very short blooming period. The majority of Portulacas are tropical or subtropical in distribution. There are only seven species in … Continue reading
An Early July Glimpse of the Mitchell Mill State Natural Area
At the Mitchell Mill State Natural Area, heavy summer thunderstorms in early July have caused the Little River to overrun its banks, creating rivulets which coalesce to completely cover much of the surface of the granite flat rock with shallow, … Continue reading
Early May: Diamorpha smallii Blooms and Portulaca smallii Appears
Diamorpha smallii Large communities of Diamorpha smallii (Elf Orpine) are now blooming at the Mitchell Mill S.N.A. and other granitic flatrock and outcrop communities in the Central Piedmont of North Carolina. Pictured below are the typical red stems and white … Continue reading
Mid-April Highlights at the Mitchell Mill State Natural Area
Mid-April is an excellent time of year to visit the granitic flat rocks at the Mitchell Mill State Natural Area. The Appalachian Stitchworts (Minuartia glabra) are in full bloom and completely cover some areas along the margins of the rock. The … Continue reading
Low Spearwort – Ranunculus pusillus – at the Mitchell Mill State Natural Area
Low Spearwort (Ranunculus pusillus) is a common inhabitant of wet and marshy lowlands and ditches in North Carolina, especially in the Central Piedmont and Coastal Plain. It is a native plant, and a member of the large Buttercup family, the … Continue reading
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Tagged Appalachian Stitchwort, Bulbous Buttercup, Diamorpha smallii, Elf Orpine, granitic flatrocks, Low Spearwort, Minuartia glabra, Mitchell Mill State Natural Area, Portulaca smallii, Ranunculaceae, Ranunculus bulbosus, Ranunculus pusillus, Small's Portulaca, Solution Pools
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Portulaca smallii (Small’s Purslane) at the Mitchell Mill State Natural Area
Portulaca smallii (Small’s Purslane) is a rare, protected plant, endemic to the thin soils of granite flatrocks and outcrops in the Piedmont regions of Virginia, North Carolina, South Carolina (a single site) and Georgia. The Mitchell Mill State Natural Area contains … Continue reading
Diamorpha smallii (Elf Orpine) and Early Succession
Three years ago, the worst incident of vandalism in recent memory occurred at the Mitchell Mill State Natural Area. Thieves made away with huge blocks of moss and plants, including the subsoil and sand. It is speculated that a truck … Continue reading
Late Fall Germination of Diamorpha smallii (Elf Orpine)
It is early on a bright, sunny morning in late November on the granitic flatrocks of the Mitchell Mill State Natural Area. Following a hard overnight freeze, sheets of ice cover the depression pools formed on the surface of the … Continue reading
Granitic Flatrocks and Leaf Shape
The granitic flatrock ecosystem imposes harsh conditions on the resident plant communities in the heat of summer. Plant foliage must tolerate intense sunlight from the open sky, and reflected light and heat from the rock surface. Thin, narrow foliage is … Continue reading
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