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The pollen grains of most orchids are not separate, but are conglomerated into a much larger structures called pollinia.

143.pdf Family [family] Genus [genus] Below genus (specific epithet etc.) [species-etc] Common name [common]

125.pdf Family [family] Genus [genus] Below genus (specific epithet etc.) [species-etc] Common name [common]

Many succulent plants are related to the poinsettia.

In some cacti, two types of sharp structures are found, spines and glochids.

013.pdf Family [family] Genus [genus] Below genus (specific epithet etc.) [species-etc] Common name [common]

135.pdf Family [family] Genus [genus] Below genus (specific epithet etc.) [species-etc] Common name [common]

202.pdf Family [family] Genus [genus] Below genus (specific epithet etc.) [species-etc] Common name [common]

The halves of an indented key’s couplets are separated from each other, sometimes by several lines, while the halves of a bracketed key’s couplets are sequential in the key.

Orchid growth types are monopodial, which is considered determinate, or sympodial, an indeterminate growth type.