DENDROLOGY

DENDROLOGY AND SOCIETY

PLANT CLASSIFICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which plant would be considered non-vascular?
A
Fern
B
Oak tree
C
Rose bush
D
Liverwort
Explanation: 

Detailed explanation-1: -Liverworts (Marchantiophyta) – Typically, they are less than 4 inches in height, they are tiny non-vascular plants having lobed, ribbon or leaf-like photosynthetic tissues as opposed to leaves. Stems are absent and rhizoids are extremely fine. Often, they are found inhabiting in colonies which carpet the ground.

Detailed explanation-2: -Nonvascular plants (often referred to collectively as the bryophytes) include three groups: the mosses (Bryophyta), approximately 15, 000 species; liverworts (Hepaticophyta), approximately 7500 species; and hornworts (Anthocerophyta), approximately 250 species (Table 1).

Detailed explanation-3: -Liverworts, like mosses, are land plants that do not have a vascular system. The lack of veinlike tubes to conduct moisture and nutrients throughout the plant limits them to a small size. Like ferns, they produce spores instead of seeds. Their form of reproduction usually requires them to be in wet or moist places.

Detailed explanation-4: -Moss. Moss is a nonvascular plant found worldwide. Liverwort. Where moss grows in small branching structures, and many organisms get packed in a larger mat or bundle, liverwort grows as small, individual leaf-like structure. Hornwort. Algae. 13-Jun-2018

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