Clump

Clump [ Botany ]
Synonym: Cluster
Adjective: Clumpy

Dictionary of botanic terminology - index of names


	A clump or cluster is mass; a lump, a thick group of growing things, as of trees, bushes or basal shoots. For example a clump of moss)

To clump (Intransitive and transitive verb: past clumped, past participle clumped, present participle clumping, 3rd person present singular clumps)


	To gather, to combine things into mass or form lumps or thick groupings of something.

Clumping habit [ Botany - Morphology ]
Synonym: Clump forming, Clustering habit, Clumpy, Offsetting

A clumping or clustering habit is a vegetative features that describe a plant whit lots of basal shoots forming a tight or open clumps or groups.

Left: A clump (cluster) of Epithelantha micromeris ssp. polycephala

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Holdfast roots [ Botany ]
Dictionary of botanic terminology - index of names

Some species of climbing plants develop holdfast roots which help to support the vines on trees, walls, and rocks. By forcing their way into minute pores and crevices, they hold the plant firmly in place.

Climbing plants, like the poison ivy (Toxicodendron radicans), Boston ivy (Parthenocissus tricuspidata), and trumpet creeper (Campsis radicans), develop holdfast roots which help to support the vines on trees, walls, and rocks. By forcing their way into minute pores and crevices, they hold the plant firmly in place. Usually the Holdfast roots die at the end of the first season, but in some species they are perennial. In the tropics some of the large climbing plants have hold-fast roots by which they attach themselves, and long, cord-like roots that extend downward through the air and may lengthen and branch for several years until they strike the soil and become absorbent roots.

Major references and further lectures:
1) E. N. Transeau “General Botany” Discovery Publishing House, 1994