Species Guides - Peppers
General: Milkweed Family (Asclepiadaceae). Common milkweed (Asclepias syriaca) is a perennial herb growing from a deep rhizome. The hairy stems are usually solitary from a simple to branched and thickened base, and are 6-20 dm (1.9-6.5 ft) tall.
Species Guides - Flowers
BackgroundCommon periwinkle was first introduced into North America in the 1700s as an ornamental. It is still commonly sold as an ornamental ground cover.
General: White prickly poppy (Argemone albiflora spp. texana) is an erect, prickly, deep-rooted, annual or biennial that contains bright yellow latex (Correl & Johnston, 1996). A member of the poppy (papaveraceae) family, it has a showy white flower, with numerous yellow or reddish stamens (Ajilvsgi, 1991). The sepals of the white prickly poppy are topped with sharp prickles, and the sepals fall off as the flower expands (Zomlefer, 1994).
Sweet William (Dianthus barbatus) is a herbaceous biennial or short-lived perennial plant native to the mountains of southern Europe from the Pyrenees east to the Carpathians and the Balkans, with a variety disjunct in northeastern China, Korea, and southeastern most Russia. It grows to 30-75 cm tall, with green to glaucous blue-green tapered leaves 4-10 cm long and 1-2 cm broad. The flowers are produced in a dense cluster of up to 30 at the top of the stems and have a spicy, clove-like scent; each flower is 2–3 cm diameter with five petals with serrated edges; in wild plants the petals are red with a white base.
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