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Which juniper branchlet has subulate leaves

Which technological advancement has resulted in the greatest upheaval of orchid taxonomy

The shoots of a groundcover look like this. Which term would you use to describe this growth habit:

The spathe and spadix is an inflorescence type characteristic of an entire family of plants.  The family is:

While cycads now are distributed in the tropics and subtropics, in the past, fossil cycads (such as Dioon) have been found as far north as Alaska.

Of the following terms, which refers to a leaf margin with small teeth uniformly directed toward the leaf apex:

Fern terms are often different from their angiosperm counterparts. Which fern term is equivalent to a leaflet:

The trade winds got their name because people relied upon them for trade; “trade” is the Middle English word for commerce.

If there are many scientific names for one plant, all but one are considered:

The first word in a scientific name is the genus or generic epithet.