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spinous's Usage Examples:

One of the best known examples is the Chinese juniper (Juniperus chinensis), in which branches with spinous leaves, longer and more spreading than the ordinary adult leaf, are often found associated with the normal type of branch.

In Ceratozamia the broad petiole-base is characterized by the presence of two lateral spinous processes, suggesting stipular appendages, comparable, on a reduced scale, with the large stipules of the Marattiaceae among Ferns.

In rare cases the pinnae of cycads are lobed or branched: in Dioon spinulosum (Central America) the margin of the segments bears numerous spinous processes; in some species of Encephalartos, e.g.

spinous processes on the apex of the carpels.

- Similar to Encephalartos except in the presence of a spinous projection from the swollen distal end of the carpels.

Their scales are generally rough and spinous; but otherwise they possess no strikingly distinguishing peculiarity, unless the loose skin of their throat, which is transversely folded and capable of inflation, be regarded as such.

In this family there is often a marked divergence between the sexes; the terminal antennal segments are larger in the male than in the female, and the males may carry large spinous processes on the head or prothorax, or both.

In rare cases the right and left preacetabular blades fuse with each other above the spinous processes.

The ordinary leaves may be small, absent, or spinous.

Other xcrophytes again are spinous.

spinous's Meaning':

having spines

Synonyms:

acanthous, acanthoid, pointed,

Antonyms:

pointless, rounded, dull, indirect,