Signs of the End of Summer at PINWR

!!!!androgopogon-glomeratus
On our visit to Pelican Island National Wildlife Refuge (PINWR) on 8-28-2016, we saw some floral signs of the end of summer …

Chalky bluestem (Andropogon glomeratus), pictured above with a cabbage palm (Sabal palmetto) in the background, was beginning to flower. Broom sedge is another common name for this plant, even though it is not a sedge. In the past, its brush-like inflorescences were cut, bound together & used to fashion a broom.
!!!!androgon-glomeratus2
Its seeds aided by fluffy silken parachutes are distributed by the wind. This plant is common in ruderal areas and along roadsides including Oslo Road.

!!!!zanthoxylum-clava-herculis-seed-pods2

A few of the hercules club (Zanthoxylum clava-herculis) trees had flowered and fruited. What remained were the brownish husks; Each cell contained a tiny & shiny black seed.

Another name for this deciduous tree is toothache tree. Leaves can be chewed to release a pain-relieving, lemony compound. Be careful when picking leaves, as this plant has sharp thorns. Note the resin glands known as pellucid dots …
!!!!zanthoxylum-clava-herculis-leaves
This plant is a member of the the citrus family (Rutaceae) and, like orange and grapefruit trees, is a larval host plant for the giant swallowtail.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s