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Floating Fern Family. Comprised of 2 genera and about 16 species of floating aquatic plants. Members of this family usually have relatively short stems that appear dichotomously branched, sometimes lacking roots with leaves that are either alternate and 2-lobed with 1 lobe green and floating and the other submerged and white or translucent or in whorls of 3 with 2 leaves unlobed and floating and the 3rd submerged.

Entry link: Salviniaceae


Saxifrage Family. Comprised of 36 genera and about 600 species of mostly perennial, herbaceous plants. Members of this family usually have opposite or alternate leaves, flowers with five unjoined petals, twice as many stamens as petals, and a small seed capsule containing many small seeds.
Entry link: Saxifragaceae


Each of the small, thin horny or bony plates protecting the skin of fish and reptiles, typically overlapping one another.
Entry link: Scale


Figwort Family. Comprised of about 65 genera and 1,700 species. Most are herbaceous, with a few shrubs and climbers and some are semi-parasitic. There are no crop plants of economic importance but is notable for many ornamental garden plants. Members of this family usually have opposite or alternate leaves, flowers in spikes, and irregular flowers with four or five petals.
Entry link: Scrophulariaceae


One of the divisions of the corona, the ring of structures surrounding the petals.
Entry link: Sepal


With sharp, forward pointing teeth.
Entry link: Serrate


Without a stalk.
Entry link: Sessile


Plant part that wraps around another plant part.
Entry link: Sheath


A woody plant which is smaller than a tree and has several main stems arising at or near the ground.

Entry link: Shrub


Elongated seed pod.
Entry link: Silique

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