Search results
Results from the WOW.Com Content Network
Texas bullnettle (Cnidoscolus texanus), Attwater Prairie Chicken National Wildlife Refuge, Colorado Co., TX, USA; 15 May 2013. It is a perennial plant with erect or sprawling branching stems growing from thick root stock, up to 40 inches long and 8 inches thick. It has milky latex and stiff prickly glandular-based, stinging hairs.
Bidens alba is a species of flowering plant in the family Asteraceae, commonly known as shepherd's needles, beggarticks, Spanish needles, or butterfly needles. [1] Bidens means two- toothed, describing the two projections found at the top of the seeds, and alba refers to the white ray florets. [2]
The differences in broadleaf weeds' structure and growth habits make them easy to distinguish from narrow-leaved weedy grasses. [5] Most broadleaf weeds have leaves with net-like veins and nodes that contain one or more leaves, and they may have showy flowers, [6] while grassy weeds appear as a single leaf from a germinated seed. [7]
Phenological growth stages and BBCH-identification keys of weeds; Code: Plant type: Description: Principal growth stage 0: Germination, sprouting, bud development 00: Dry seed V: Perennating or reproductive organs during the resting period (tuber, rhizome, bulb, stolon) P: Winter dormancy or resting period 01: Beginning of seed imbibition P, V
For premium support please call: 800-290-4726 more ways to reach us
It is known in English as bulrush [4] [5] (sometimes as common bulrush [6] to distinguish from other species of Typha), and in American as broadleaf cattail. [7] It is found as a native plant species throughout most of Eurasia and North America, and more locally in Africa and South America. The genome of T. latifolia was published in 2022. [8]
For premium support please call: 800-290-4726 more ways to reach us
In addition to its use in ecology, the term "forb" may be used for subdividing popular guides to wildflowers, [6] distinguishing them from other categories such as grasses, sedges, shrubs, and trees. [7]