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Charales is an order of freshwater green algae in the division Charophyta, class Charophyceae, commonly known as stoneworts. Depending on the treatment of the genus Nitellopsis , living (extant) species are placed into either one family ( Characeae ) or two (Characeae and Feistiellaceae ).
Charophyceae is a class of charophyte green algae. AlgaeBase places it in division Charophyta. [1] Extant (living) species are placed in a single order Charales, [2] commonly known as "stoneworts" and "brittleworts".
Characeae is a family of freshwater green algae in the order Charales, commonly known as stoneworts. They are also known as brittleworts or skunkweed , from the fragility of their lime-encrusted stems, and from the foul odor these produce when stepped on.
The plant body is a gametophyte.It consists of the main axis (differentiated into nodes and internodes), dimorphic branches (long branch of unlimited growth and short branches of limited growth), rhizoids (multicellular with oblique septa) and stipulodes (needle-shaped structures at the base of secondary laterals).
The Zygnematophyceae, formerly known as the Conjugatophyceae, generally possess two fairly elaborate chloroplasts in each cell, rather than many discoid ones. They reproduce asexually by the development of a septum between the two cell-halves or semi-cells (in unicellular forms, each daughter-cell develops the other semi-cell afresh) and sexually by conjugation, or the fusion of the entire ...
A plum tree with developing fruit Mandarin Orange tree with fruit An almond tree in bloom. A fruit tree is a tree which bears fruit that is consumed or used by animals and humans.— All trees that are flowering plants produce fruit, which are the ripened ovaries of flowers containing one or more seeds. In horticultural usage, the term "fruit ...
One definition of berry requires the endocarp to be less than 2 mm (3 ⁄ 32 in) thick, other fruits with a stony endocarp being drupes. [6] In marginal cases, terms such as drupaceous or drupe-like may be used. [3] [6] The term stone fruit (also stonefruit) can be a synonym for drupe or, more typically, it can mean just the fruit of the genus ...
Fruit trees are grown in a variety of shapes, sometimes for aesthetic appeal but mainly to encourage fruit production. The form or shape of fruit trees can be manipulated by pruning and training. Shaping and promoting a particular tree form is undertaken to establish the plant in a particular situation under certain environmental conditions, to ...