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Cannabaceae are often dioecious (distinct male and female plants). The flowers are actinomorphic (radially symmetrical) and not showy, as these plants are pollinated by the wind. As an adaptation to this kind of pollination, the calyx and corolla are radically reduced to only vestigial remnants found as an adherent perianth coating the seed. A ...
The black tetra is often kept in aquariums. [2] Growing up to 7.5 cm (3.0 in) in length, [3] the black tetra has a roughly tetragonal body shape and is greyish in colour, fading from near black at the tail to light at the nose. Two prominent, black, vertical bars appear just posterior to the gills. [1]
Seedless cannabis (sin semilla) Seeded cannabis (con semilla)Cannabis sinsemilla (Spanish pronunciation: [sinseˈmiʝa]) also known as sensimilla, sinse or sensi (can be translated into English as seedless cannabis) is the female Cannabis plant that has not been pollinated and therefore does not develop seeds, increasing the concentration of cannabinoids and terpenes.
The male black phantom tetras have longer fins than the females and when in breeding condition, the females become plumper, but the biggest difference is in their color. The males have no red, while the smaller fins of the female both on the top and underneath them are red.
Cannabis is predominantly dioecious, [16] [18] having imperfect flowers, with staminate "male" and pistillate "female" flowers occurring on separate plants. [19] " At a very early period the Chinese recognized the Cannabis plant as dioecious", [ 20 ] and the (c. 3rd century BCE) Erya dictionary defined xi 枲 "male Cannabis " and fu 莩 (or ju ...
The body is long, slim, and flattened to about 3 inches at maturity. Looking from the eye to the tail area, you will find a black line placed within a blue stripe. The sickled shaped dorsal fin, along with the pectoral fin and anal fins are yellow. The male is larger than the female and his anal fins are longer.
This prevents fertilization of the female plants, either to facilitate sin semilla flowering or to provide more control over which male is chosen. Pollen produced by the male is caught and stored until it is needed. When a male plant of one strain pollinates a female of another strain, the seeds will be F1 hybrids of the male and female. These ...
The flowers of Cannabis sativa plants are most often either male or female, but, only plants displaying female pistils can be or turn hermaphrodite. Males can never become hermaphrodites. [3] It is a short-day flowering plant, with staminate (male) plants usually taller and less robust than pistillate (female or male) plants.