Thursday, July 22, 2010

Gleason Park Exotics, July 21, 2010

Several exotics from the tropics plus a few tiny flowers.

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Geiger tree (Cordia sebestena, Boraginaceae)
Native
This specimen was planted in the park. According to the USF/ISB website, the tree is not native to Florida; however, other sources state that it grows in the wild in south Florida and they consider it a native. From the University of Florida IFAS Extension website: "According to legend, the common name ["Geiger"] was bestowed by Audubon in commemoration of John Geiger, a Key West pilot and wrecker of the 19th century and is now used quite universally as the common name for this excellent Florida native tree."

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White Geiger, Texas wild olive (Cordia boissieri, Boraginaceae)
Non-native

A white version of the previous tree, also planted in the park.
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Lychee (Litchi chinensis, Sapindaceae)
Non-native

Another planted exotic. This is the lychee that is sometimes served as a dessert fruit in Chinese restaurants. Immature fruit is shown on the right. The outer covering becomes red when ripe.
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Grapes (Vitis spp., Vitaceae)

Some variety of domestic grape, planted in a grape arbor in the park. These grapes are not yet ripe.
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Giant leather fern (Acrostichum danaeifolium, Pteridaceae)
Native
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Lantana (Lantana camara, Verbenaceae)
Non-native
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Dwarf Canadian horseweed (Conyza canadensis var. pusilla, Asteraceae)
Native

A small weedy plant with tiny, daisy-like flowers.
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Common wireweed (Sida ulmifolia, Malvaceae)

A widespread weed throughout the dry, sandy areas of the park. It is kept low by constant mowing. This is another tiny wildflower that I can't resist photographing.
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Zarzabacoa comun (Desmodium incanum, Fabaceae)
Non-native

A tiny member of the pea family usually found in moist, grassy areas. Interesting common name, but have not found its origin or what it means.
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Showy milkwort (Polygala violacea, Polygalaceae)
Native

Found in moist, grassy areas.
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