Thursday, February 23, 2012
Monday, February 20, 2012
Sunflower
Asteraseae (sunflower tribe).Cluster of basal leaves. Leaves 4-17 in. long, lance-shaped to oblong, pinnately divided to central vein, with toothed leaflets. Leaves gray with long woolly hairs. Pair of small deeply divided leaves occurs just under flower head, otherwise stem is leafless. Flower head with 13 or more ray flowers 1/12-2 in. long. Grows in wetter areas than other balsamroots. Sometimes confused with smaller B. hookeri, hairy balsamroot, which also has silky hairs pressed to leaf surface.
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Wednesday, February 15, 2012
Tuesday, February 14, 2012
Friday, February 10, 2012
Dahlia
Dahlia is a genus of bushy, tuberous, perennial plants native to Mexico, Central America, and Colombia. There are at least 36 species of dahlia. Dahlia hybrids are commonly grown as garden plants. The Aztecs gathered and cultivated the dahlia for food, ceremonies, as well as decorative purposes, and the long woody stem of one variety was used for small pipes. Dahlias are used as food plants by the larvae of some Lepidoptera species including Angle Shades, Common Swift, Ghost Moth and Large Yellow Underwing. The dahlia is named after Swedish 18th-century botanist Anders Dahl . In German the dahlia was known during most of the 19th century as Georgia, being named after the naturalist Johann Gottlieb Georgi of St. Petersburg, Russia. (sourse - http://en.wikipedia.org/wiki/Dahlia ). Dahlia plants range in height from as low as 12 in (30 cm) to as tall as 6–8 ft (1.8–2.4 m). The flowers can be as small as 2 in (5.1 cm) in diameter or up to 1 ft (30 cm) ("dinner plate").
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Thursday, February 9, 2012
Tuesday, February 7, 2012
Saturday, February 4, 2012
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