Ambrosia eriocentra
Template:Short description Template:Italic title Template:Speciesbox
Ambrosia eriocentra is a North American species of ragweed known by the common names woolly bursage and woollyfruit burr ragweed.[1]
Distribution
The plant is native to the Mojave Desert in the southwestern United States, within southern California, southern Nevada, northwestern Arizona, and southwestern Utah.[1]
It grows in the Mojave's plains and mountain ridges up to Script error: No such module "convert". in elevation.[2][3]
Description
Ambrosia eriocentra is a rounded shrub reaching over Script error: No such module "convert". in height. The stems are brownish gray in color, with young twigs coated in light woolly fibers and older branches bare. Leaves are lance-shaped and up to 9 centimeters long, not counting the winged petioles. The leaves have rolled lobed or toothed edges.[2]
As in other ragweeds, the inflorescence has a few staminate (male) flower heads next to several single-flowered pistillate heads. The bloom period is April to June.[2]
The fruit is a green burr with long, silky white hairs and several hair-tufted sharp spines. The burr is around a centimeter long.[2][4][5]
References
<templatestyles src="Reflist/styles.css" />
- ↑ a b Calflora taxon report, University of California, Ambrosia eriocentra (A. Gray) Payne woolly bur sage, wooly bursage
- ↑ a b c d Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ Biota of North America Program 2013 county distribution map
- ↑ Flora of North America, Vol. 21 Page 13 Ambrosia eriocentra (A. Gray) W. W. Payne, J. Arnold Arbor. 45: 423. 1964.
- ↑ Payne, Willard William 1964. Journal of the Arnold Arboretum 45(4): 423-424
Script error: No such module "Check for unknown parameters".