Anna Murray Vail

Asclepias subverticillata is a plant found in the southwestern United States and Mexico. Common names include horsetail milkweed, poison milkweed and whorled milkweed.

Kallstroemia californica is a species of flowering plant in the caltrop family known by the common name California caltrop. It is native to the deserts of the Southwestern United States, California, and northern Mexico.

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Galactia erecta, or erect milkpea, is a species in the family Fabaceae, belonging to the genus Galactia, which includes trailing, twining, or climbing perennial vines, as well as erect herbaceous or rarely shrubby forms. It is native to the southeastern United States.

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Trautvetteria caroliniensis is a species of flowering plant in the family Ranunculaceae native to North America. It is known by the common names Carolina bugbane, false bugbane, and tassel-rue. The genus is named for the botanist Ernst Rudolf von Trautvetter. This plant is native to Asia and eastern and western North America. It grows in moist wooded areas and other habitat. It is a rhizomatous perennial herb producing an erect stem up to 1.5 meters in maximum height. The large leaf has a palmate blade up to 30 or 40 centimeters wide with deeply divided, pointed, toothed lobes. The blade is

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Matelea alabamensis is a species of flowering plant in the dogbane family known by the common names Alabama milkvine, Alabama anglepod, and Alabama spiny-pod. It is native to the southeastern United States, where it occurs in Alabama, Georgia, and Florida. This rhizomatous perennial herb produces one to three stems which creep across the ground or twine around adjacent vegetation, reaching several meters in length. They are green or maroon-tinged, filled with a milky sap, and dotted with reddish glands on the newer parts. The oppositely arranged leaves are borne on petioles a few centimeters

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Matelea floridana (also called Florida milkvine or Florida spiny pod) is a flowering plant within the Milkweed Subfamily (Family Apocynaceae; Subfamily Asclepiadoideae). It is endemic to Florida and two counties in Georgia, and is listed as Endangered. It is a perennial dicot. Flowers are purplish black, 1–2 cm (0.4–0.8 in) in diameter, borne on short pedicels that occur at mature nodes along the stem, from one to many flowers. Leaf pairs are opposite, cordate from 5–10 (2–4 in) cm in length, lightly pubescent. This species is very similar in appearance to Matelea carolinensis, but the

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