Thursday, April 3, 2014

Is the word "stem" synonymous to "the shoots" when talking about the structure of flowering plants? and Lupinus arboreus #3

Is the word "stem" synonymous to "the shoots" when talking about the structure of flowering plants?



=)


inflorescence best answer:

Answer by Dan
Usually, yeah, although shoots can also be branches of the main stem, so I'd use stem to refer to the main stem and shoots for all other branched sections.


inflorescence

Lupinus arboreus #3
inflorescence

Best viewed @ large size

Fabaceae - Native to coastal California (see below)
Yellow Bush Lupine, Tree Lupine
Shown: Detail of inflorescence, lateral view

"Lupinus arboreus (Yellow Bush Lupine) is a species of lupine native to the western United States in California, where it is widely distributed in coastal scrub and sand dunes. Because it has been widely introduced, there is some uncertainty about its native range; it is thought to be native from Point Reyes National Seashore south to San Luis Obispo County.

"It is a perennial shrub growing to 2 m tall (hence the alternative common name, tree lupine) in sheltered situations, but more typically 1-1.5 m tall. It has green to gray-green palmate leaves, with 5-12 leaflets per leaf. The leaflets are 2-6 cm long, often sparsely covered with fine silky hairs. Both yellow and lilac to purple flowering forms are known; however, the yellow form is more common, except in the north of the species' range. It is capable of tolerating temperatures down to -12°C and living for up to seven years.

"The yellow-flowering form is widely grown as an ornamental plant for its attractive yellow flowers and also to bind drifting sand dunes. It has, however, escaped from cultivation to become an invasive species in many areas. Outside of its native range in North America, it is somewhat invasive both in southern California, and further north to southwestern Canada. It has also been introduced in western Europe, Australia (where it is considered a potential noxious weed), New Zealand, Anatolia Aegean Region of Turkey and southern South America, including the Falkland Islands." (Wikipedia)

Additional views:
farm3.static.flickr.com/2694/4279002796_e649a5a964_b.jpg
farm3.static.flickr.com/2565/4278255861_3b5e25a14d_b.jpg
farm3.static.flickr.com/2426/4278259253_e49164b39e_b.jpg

Photographed in U.C. Botanical Garden at Berkeley - Berkeley, California



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