Tillandsia usneoides in the context of Quercus virginiana


Tillandsia usneoides in the context of Quercus virginiana

⭐ Core Definition: Tillandsia usneoides

Spanish moss (Tillandsia usneoides) is an epiphytic flowering plant that often grows upon large trees in tropical and subtropical climates. It is native to much of Mexico, Bermuda, the Bahamas, Central America, South America (as far south as northern Patagonia), the Southern United States, and West Indies. It has been naturalized in Queensland (Australia). It is colloquially known as "old man's beard" in several places, and known as "grandpa's beard" in French Polynesia. It has the widest distribution of any bromeliad.

Most known in the United States, it commonly is found on the southern live oak (Quercus virginiana) and bald cypress (Taxodium distichum) in the lowlands, swamps, and marshes of the mid-Atlantic and Southeastern states, from the coast of southeastern Virginia to Florida and west to southern Arkansas and Texas. While it superficially resembles its namesake, the lichen Usnea, it is neither a lichen nor a moss (instead being a member of the bromeliad family, Bromeliaceae), and it is not native to Spain.

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Tillandsia usneoides in the context of Bromeliads

The Bromeliaceae (the bromeliads) are a family of monocot flowering plants of about 80 genera and 3700 known species, native mainly to the tropical Americas, with several species found in the American subtropics and one in tropical west Africa, Pitcairnia feliciana.

It is among the basal families within the Poales and is the only family within the order that has septal nectaries and inferior ovaries. These inferior ovaries characterize the Bromelioideae, a subfamily of the Bromeliaceae. The family includes both epiphytes, such as Spanish moss (Tillandsia usneoides), and terrestrial species, such as the pineapple (Ananas comosus). Many bromeliads, colloquially called "tank bromeliads", are able to store water in a structure (a "tank") formed by their tightly overlapping leaf bases. However, the family is diverse enough to include the tank bromeliads, grey-leaved epiphyte Tillandsia species that gather water only from leaf structures called trichomes, and many desert-dwelling succulents.

View the full Wikipedia page for Bromeliads
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