Protonema is valid Scrabble Word

Definitions for PROTONEMA in dictionary:

NOUN:
• a branched filament produced by germination of a moss spore, giving rise to moss plants from buds
• The juvenile form of a bryophyte (usually consisting of a branched filamentous structure, but sometimes flat or platelike), developing on the germination of a spore and producing buds from which the adult plants arise.
• An analogous thread-like structure in other lower plants; specifically the filamentous form of a developing gametophyte of a fern or charophytic alga.
• branched threadlike structure that grows from a moss spore and eventually develops into the moss plant
• The primary growth from the spore of a moss, usually consisting of branching confervoid filaments, on any part of which stem and leaf buds may be developed.
OTHER DEFINITIONS:
• the primary usually filamentous thalloid stage of the gametophyte in mosses and in some liverworts comparable to the prothallus in ferns

Words related to PROTONEMA

protonemata15

Words that contain PROTONEMA

protonemal14 protonemata15 protonematal16

How to use PROTONEMA in a sentence

• The protonema is always a well-marked stage in the life-history.
• In addition to the leaves the stem often bears hair-like structures of different kinds, some of which correspond to modified branches of protonema.
• Vegetative propagation is widely spread in the mosses, and, as mentioned above, a protonema is always formed in the development of the new plant.

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