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Phaedranassa tunguraguae

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA LILIOPSIDA LILIALES AMARYLLIDACEAE

Scientific Name: Phaedranassa tunguraguae
Species Authority: Ravenna

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2003
Assessor/s: Oleas, N. & Pitman, N.
Reviewer/s: Valencia, R., Pitman, N., Léon-Yánez, S. & Jørgensen, P.M. (Ecuador Plants Red List Authority)
Contributor/s:
Justification:
A terrestrial herb endemic to Ecuador. Despite intensive searches in 1998–1999, this species is still restricted to the Pastaza river valley in the province of Tungurahua. Subpopulations are found from the Bascún stream on the slopes of Tungurahua volcano to the Río Negro on the Baños-Puyo road. The species inhabits disturbed areas like roadsides, pastures and cliffs, where it forms clumps of fewer than 100 individuals. Some subpopulations have been affected by the widening of the Baños-Puyo road. Another potential threat is commercial exploitation as ornamental plants, though it is unknown if the bulbs sold internationally are wild or cultivated in origin. Not confirmed to occur in Ecuador's protected areas network, but potentially present in the high portion of the Parque Nacional Sangay. This species was listed as Rare in 1997. Habitat destruction is the only known threat to the species.

Geographic Range [top]

Range Description: Despite intensive searches in 1998-1999, this species is still restricted to the Pastaza river valley in the province of Tungurahua. Subpopulations are found from the Bascún stream on the slopes of Tungurahua volcano to the Río Negro on the Baños-Puyo road, where it forms clumps of fewer than 100 individuals.
Countries:
Native:
Ecuador
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: A terrestrial herb that inhabits disturbed areas like roadsides, pastures and cliffs.
Systems: Terrestrial

Threats [top]

Major Threat(s): Some subpopulations have been affected by the widening of the Baños-Puyo road. Another potential threat is commercial exploitation as ornamental plants.

Conservation Actions [top]

Conservation Actions: Not known to occur within any protected areas.
Citation: Oleas, N. & Pitman, N. 2003. Phaedranassa tunguraguae. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 18 June 2013.
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