Ilex abscondita
Ilex abscondita | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Ilex abscondita | ||||||||||||
Steyerm. |
Ilex abscondita is a species ofthe holly genus ( Ilex ). This rare species is endemic to the Serranía La Neblina National Park in Venezuela .
description
Vegetative characteristics
Ilex abscondita is a shrub or small tree that reaches heights of 3 to 5 meters.
The leaves are divided into a petiole and a leaf blade. The smooth petiole is 7 to 13 millimeters long. The somewhat leathery leaf blade is 5 to 9 centimeters long and 4 to 6 centimeters wide and is broadly egg-shaped with a wedge-shaped base and a broadly rounded upper end. The bare leaf blade is entire, and covered with black spots on the underside. On the midrib and on the lateral nerves there are furrows with fine downy hairs ( indument ) on the upper side of the leaf .
Generative characteristics
The lateral, laterally arranged male inflorescence contains only three flowers. The lateral female inflorescence consists of a single flower. The inflorescence axis and pedicels are finely hairy. The fruit stalks are 6.5 to 11 millimeters long. The egg-shaped young fruits are 7 to 9 millimeters long and 6 millimeters in diameter.
Occurrence and status
Ilex abscondita was discovered in 1984 on the southern slopes of Cañon Grande at an altitude of about 1900 meters in the Serranía La Neblina National Park in the Amazonas state in southern Venezuela . This species has not yet been detected outside of this region.
Ilex abscondita is classified as "endangered" by the IUCN . The distribution area covers an area of less than 100 km².
Taxonomy
It was first described in 1988 by the American botanist Julian Alfred Steyermark in Flora of the Venezuelan Guayana - IV. In: Annals of the Missouri Botanical Garden. St. Louis, Missouri , Volume 75, Issue 1, page 320.
literature
- Julian Alfred Steyermark: Flora of the Venezuelan Guayana - IV. In: Annals of the Missouri Botanical Garden. Volume 75, 1988. Pages 311-351. scanned at botanicus.org .
Individual evidence
- ↑ Ilex abscondita in the endangered Red List species the IUCN 2008. Posted by: World Conservation Monitoring Center, 1998. Retrieved on 3 August, 2008.