Search results
Results from the WOW.Com Content Network
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
Eastern Hemlock is a shade-tolerant tree. In ecology, shade tolerance is a plant's ability to tolerate low light levels. The term is also used in horticulture and landscaping, although in this context its use is sometimes imprecise, especially in labeling of plants for sale in commercial nurseries.
An observer in the penumbra experiences a partial eclipse. An alternative definition is that the penumbra is the region where some or all of the light source is obscured (i.e., the umbra is a subset of the penumbra). For example, NASA's Navigation and Ancillary Information Facility defines that a body in the umbra is also within the penumbra. [2]
Shade is the blocking of sunlight (in particular direct sunshine) by any object, and also the shadow created by that object. It may refer to blocking of sunlight by a roof , a tree , an umbrella , a window shade or blind , wall , curtains , or other objects.
Only a small percentage of light penetrates the canopy so understory vegetation is generally shade-tolerant. The understory typically consists of trees stunted through lack of light, other small trees with low light requirements, saplings, shrubs, vines and undergrowth. Small trees such as holly and dogwood are understory specialists.
Shade avoidance is a set of responses that plants display when they are subjected to the shade of another plant. It often includes elongation , altered flowering time, increased apical dominance and altered partitioning of resources.
The name “nightshades” comes in part from the infamous Belladonna plant, also known as the “deadly nightshade,” because it carries a highly toxic alkaloid called atropine, used ...
A group of Laysan albatrosses resting beneath the canopy of a fig, a common shade tree in many parts of the world.. A shade tree is a large tree whose primary role is to provide shade in the surrounding environment due to its spreading canopy and crown, where it may give shelter from sunlight in the heat of the summer for people who seek recreational needs in urban parks and house yards, and ...