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Tillandsia recurvata

Tillandsia recurvata
Tillandsia recurvata.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Bromeliaceae
Genus: Tillandsia
Subgenus: Diaphoranthema
Species: T. recurvata
Binomial name
Tillandsia recurvata
(L.) L., 1762
Synonyms
  • Renealmia recurvata L.
  • Diaphoranthema recurvata (L.) Beer
  • Tillandsia monostachya W.Bartram
  • Tillandsia uniflora Kunth
  • Diaphoranthema uniflora (Kunth) Beer
  • Tillandsia pauciflora Sessé & Moc.

Tillandsia recurvata, commonly known as small ballmoss or ball moss, is a flowering plant (not a true moss) in the family Bromeliaceae that grows upon larger host plants. It grows well in areas with low light, little airflow, and high humidity, which is commonly provided by southern shade trees, often the southern live oak (Quercus virginiana). It is not a parasite like mistletoe, but an epiphyte like its relative Spanish moss.

Tillandsia recurvata derives mainly physical support and not nutrition from its host; it photosynthesizes its own food, absorbing water that collects on its leaves. It obtains nitrogen from bacteria, and other minerals largely from blown dust. Though not a harmful parasite in the same sense as plants such as mistletoes that feed on the sap of the host, Ball Moss may compete with a host tree for sunlight and some nutrients, and by restricting available surface area for new branch sprouts; however, except on stressed host trees (e.g., in some urban settings) it rarely has a noticeable effect on growth or health.

In habit, Tillandsia recurvata tends to form a spheroid ranging in size from a golf ball to a soccer ball. Most seedlings germinate on tiny branches and less often on vertical bark of tree hosts, which has been suggested to indicate that local spread of Ball Moss is mainly by seeds sprouting from bird droppings on stems of shrubs and trees. Rival authorities suggest that wind is the main agent of seed dispersal. Mature seeds have no apparent adhesive on the exterior, and very little nutrient supply to support sprouting, but, like many other epiphyte seeds, they are borne plentifully and are armed with fine, straight hairs that could well adhere to wet or clinging surfaces, such as rough bark. In fact, as shown in the accompanying photograph, they even grow plentifully on fences and telegraph wires, together with occasional other species.

Ball Moss is sensitive to freezing, particularly when moist.


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