Corresponding author: Mansur X. Usmonov ( email@example.com )
Academic editor: Peter de Lange
© 2017 Mansur X. Usmonov.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Usmonov MX (2017) Cousinia waldheimiana (Asteraceae) a new record from Uzbekistan (Central Asia). PhytoKeys 77: 93-98. https://doi.org/10.3897/phytokeys.77.11897
During the study of plant specimens in the Central herbarium Academy of Sciences of Uzbekistan Institute of the gene pool of plants and animals (TASH) one new record for the flora of Uzbekistan (Cousinia waldheimiana) was identified. This species is the fourth member of Cousinia sect. Jurineopsis collected in the Uzbek part of the Northern Alay range.
Asteraceae, Cousinia sect. Jurineopsis, Uzbekistan, Kyrgyzstan, Alay
The genus Cousinia Cass. with ca. 600-700 species (
As part of the project “Botanical and geographical regionalization of Uzbekistan and creation of a database of plant diversity. Part II. Turan province” herbarium specimens stored in TASH of the genus Cousinia were processed. The process of working with more than 3000 specimens showed that some specimens had not been previously recorded for some Central Asian countries. This paper presents the results of processing the specimens relating to Cousinia sect. Jurineopsis (Juz.) Tscherneva.
Cousinia sect. Jurineopsis is an endemic section of 11 species found in the Central Asia Mountains (
The identification was based on consultation of published accounts of Cousinia (
Biennial plant. Stem erect, 30–80 cm tall, subglabrous , basally covered in brownish thinly-arachnoid hairs; branches elongated, mid-corymbosa, patulous, monocephalous. Leaves coriaceous, glabrous above, green, tomentose below; basal leaves pinnatisected, cauline sessile, semiamplexicaul, narrowly lanceolate or lanceolate, drawn to the apex, almost smooth-edged, just at the base of usual with 2-4 pairs of teeth; branches of the leaves strongly diminished. Capitula ovate-conical, slightly arachnoid, 2.5–3 cm in diameter, (without acidotus) monocephalous. Phyllaries are numerous in number 90–100, except internal, with a slightly arcuately reflect acidotus; internal protruding up, lanceolate; scarious on top, acerous in a very thin, short the barb, usually brownish; setula receptacle above advanced, asperous. Corolla pink. Achenes ca. 3.5–4.0 mm long, obovate, glabrous and smooth.
Flowering from June to July, fruiting from July to August.
On the rubbly-fine earth slopes, shale rocks in the middle belt of mountains.
Previosuly considered endemic to the Western Tien Shan Mountains to distribution in Chatkal, Fergana, Uzunakhmat and Atoynak ranges. This range is now extended to the Alay Range, Uzbekistan (Fig.
Uzbekistan. Alay Range (North side): Fergana Valley, above the Shakhimardan resort on the slopes of the river Jordan. 02.08.1954, Korotkov 4569 (TASH); Alay Range. River basin Shakhimardan, neighborhood of village Jordan. Stony NE slope of the upper terrace of the right bank of the river. Ak-su. Tree and shrub belt. 16.07.1961, Pyataeva 118 (TASH); S slope of the Alay range. River basin. Shakhimardan, neighborhood of village Jordan. 1600 m. NE slope of the right bank of the river. Ak-suv. 16.07.1961, Abdullayev 66 (TASH).
Kyrgyzstan. Jalal-Abad region. Kyrg. SSR. Upper river of the Hodge-ata. On the pass and the lake Sary-Chelek. 31.07.1949, Bondarenko 1197 (TASH); Central Tien Shan. Ketmen-Tyube region. Valley Uzun-Akhmat. Wormwood steppe. 21.07.1927, Abolin 455 (TASH); Central Tien Shan. Ketmen-Tyube region. Ayukty river, the hole Almaly. The stony slope. 2007.1927. Abolin 414 (TASH); The Ferghana Valley. Fergana mountain range near the village Dmitrievka (river Kugart). 29.06.1955, Korotkov 4894 (TASH).
Very close to the C. margaritae Kult., differing mainly by the color of the corolla (from C. margaritae corolla whitish or pale yellow in C. waldheimiana corolla pink or purple). However, color of the corolla in the herbarium of poorly stored, making difficulties to define plant, why the geographical boundary of these species are currently unclear (Tscherneva 1962).
The species with the areal in Chatkal, Fergana, Uzunakhmat and Atoynak ranges of Western Tien Shan. Its indicated only for the flora of Kyrgyzstan (Tscherneva 1965,
We are very grateful to Komil Sh. Tojibaev for his useful comments and suggestions. We would also like to thank the editor and two anonymous reviewers for their constructive comments which helped us to improve the manuscript.