Urbania pappigera

from Wikipedia, the free encyclopedia
Urbania pappigera
Systematics
Asterids
Euasterids I
Order : Mint family (Lamiales)
Family : Verbena plants (Verbenaceae)
Genre : Urbania
Type : Urbania pappigera
Scientific name of the  genus
Urbania
Phil.
Scientific name of the  species
Urbania pappigera
Phil.

Urbania pappigera is the only kind of plant genus Urbania that the family of the iron herb plants is attributed to (Verbenaceae). The species is native to Argentina and Chile .

description

Urbania pappigera is a perennial , low-growing, cushion-forming subshrub that is only a few centimeters high. The axis of the shoot runs underground. The plants are not fragrant. The leaves are only reduced, entire and fleshy. They are overlapping like roof tiles.

The inflorescences are terminal spikes from one to four flowers . The bracts are clearly visible. The flowers are almost sessile. The calyx is tubular, deeply split into five lobes and attached to the fruit. It is hairy with long, white, water-attracting trichomes that almost obscure the crown . The crown is funnel-shaped and weakly zygomorphic, the coronet is five-lobed, the corolla tube straight. The four stamens start in the upper half of the corolla tube. The pen is not resistant to the fruit. The ovary is zweifächrig, each ovary compartment is divided into two chambers, each having an ovule containing.

The fruit is spherical and has a smooth surface.

Occurrence

The distribution area of Urbania pappigera is limited to the puna of the Argentine and Chilean Andes .

literature

  • S. Atkins: Verbenaceae . In: Klaus Kubitzki, Joachim W. Kadereit (eds.): Flowering Plants, Dicotyledons: Lamiales (except Acanthaceae Including Avicenniaceae) , Springer Verlag, 2004, ISBN 978-3-540-40593-1 , p. 461.