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Principal growth stage 1: Leaf development (main shoot) 10: G, M: First true leaf emerged from coleoptile D: Cotyledons completely unfolded P: First leaves separated 11: First true leaf, leaf pair or whorl unfolded P: First leaves unfolded 12: 2 true leaves, leaf pairs or whorls unfolded 13: 3 true leaves, leaf pairs or whorls unfolded 1 .
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 苴) "female Cannabis". [21] Male flowers are normally borne on loose panicles, and female flowers are borne on racemes. [22]
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The flowers are solitary or in clusters and grow in the axils of the leaves, on long pedicels up to 10 centimetres (3.9 in) or on long peduncles up to 20 centimetres (7.9 in). They are usually pink or reddish-purple and heart-shaped, 8–10 millimetres (0.31–0.39 in) wide and 13–15 millimetres (0.51–0.59 in) long, with purple-red stamens .
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.
Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
A loose leaf (also loose leaf paper, filler paper or refill paper) is a piece of paper of any kind that is not bound in place, or available on a continuous roll, and may be punched and organized as ring-bound (in a ring binder) or disc-bound. Loose leaf paper may be sold as free sheets, or made up into notepads, where perforations or glue allow ...
First flowers open (sporadically) 61: Beginning of flowering: 10% of flowers open 62: 20% of flowers open 63: 30% of flowers open 64: 40% of flowers open 65: Full flowering: 50% of flowers open 67: Flowering finishing: majority of petals fallen or dry 69: End of flowering 7: Development of fruit 71: First fruits formed 72: 20% of fruits have ...