Crataegus azarolus L. var. senobaaensis Doenmez, 2019
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publication ID |
https://dx.doi.org/10.3897/phytokeys.122.33002 |
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persistent identifier |
https://treatment.plazi.org/id/F685152C-A0F1-167F-C774-CC6BE31AE21A |
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treatment provided by |
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scientific name |
Crataegus azarolus L. var. senobaaensis Doenmez |
| status |
var. nov. |
Crataegus azarolus L. var. senobaaensis Doenmez var. nov. Figure 1 View Figure 1
Diagnosis.
This new variety differs from the other varieties ( Crataegus azarolus L. var. minuta Browicz and Crataegus azarolus L. var. dentata Browicz and Crataegus azarolus L. var. aronia L.) by its deeply divided leaf sinuses, mostly 3-4 pairs of leaf lobes and mostly ovate-oblong leaves at outline.
Type.
TURKEY. Şırnak: 20 km from Uludere to Şırnak, above Şenoba, steppe, ca. 1250 m elev., 28. September 2002, A.A. Dönmez 11139, (holotype: HUB, isoptypes, HUB, EGE). Paratypes: Bitlis: Tatvan, Koruklu village, Yenitoprak district, 1734 m elev., hedge, 02.10.2013. A.A. Dönmez 18745- K. Özgişi. (HUB!).
Distribution.
(Figure 3 View Figure 3 ). Crataegus azarolus var. senobaaensis is endemic to southeast Turkey and it is known from two different locations.
Ecology and habitat.
Crataegus azarolus var. senobaaensis grows in dry steppes from 1250 to 1735 m elevation.
Etymology.
The epithet denotes the type locality Şenoba.
Preliminary conservation status.
Crataegus azarolus var. senobaaensis should be labelled as "Critically Endangered", (CR B1+D) according to the IUCN (2017) threat categories. The area of occupancy is estimated to be smaller than 100 km2 and the number of examined mature individuals is less than 50. Besides this, all of the examined specimens are known from habitats which are not under threat.
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