St. Inigoes Plant Survey

St. Inigoes, St. Mary’s County, MD

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Clasping-Leaf St. John’swort (Hypericum gymamthum), a Maryland DNR Natural Heritage Program S3 watchlist species.

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We observed dozens of aggregates of clasping-leaf St. John’swort, which behaves as an obligate wetland plant of sunny wet meadows.  We also saw a few in flower, a small yellow composite.

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Larger Buttonweed (Diodia virginiana), a native of wet, sunny soils, occurring from Maryland, south to Florida and west to Texas.

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Golden Tickseed (Coreopsis tinctoria) is a native to the plains states and would be considered adventive in Maryland.  This “escaped” forb probably originated from a local garden and naturalized on our site.

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False Nettle (Boehmeria cylindrica) at peak flower.

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Yellow-Flowered Leafcup (Smallanthus uvedalius), an uncommon native.

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Angle-Fruit Milkvine (Matelea gonocarpus), a star-shaped flower, with milky sap.  This plant is highly state rare in Maryland (S1), and occurs from Maryland, south to Florida, and west to Texas.

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Yellow Passion-Flower (Passiflora lutea) is a native that occurs from Maryland, south to Florida and west to Texas.  The word lutea means yellow.

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Yellow passion-flower vine growing on the sunny edge of a forest.

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Downy Milkpea (Galactia volubillis), an S3 watchlist species, occurring from Maryland, south to Florida, and west to Texas.

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Field Milkwort (Polygala sanguinea) an annual native of poor, sandy soils, glades, savannahs and wet fields.

 

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