Trifolium nigrescens Viv.

Taxonomy: Fam. Fabaceae// Genus: Trifolium// Species: Trifolium nigrescens Viv.

Determined according to the botanical key provided in The Flora of Republic of Macedonia (Micevski, 2001).

Lifeform: Annual; Therophyte according to the Raunkiær system.

Distribution: Native to the Azores, Mediterranean to Iran according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).

Habitat:  Open habitats- grasslands, pastures, rocky terrains.

Flowering period:  Spring: APR, MAY.

Trifolium nigrescens – habit. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habit. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – flowering stems. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – flowering stems. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – flowering stems. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescences. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – stem with leaves and stipules. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – adaxial side of leaf and stipule. Osogovo, ridge between the gorges of “Kochanska” and “Orizarska”River, 07.05.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habit. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habit. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habit. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – stem with leaves. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens – adaxial side of leaf. Hilly region near village of Beli, 23.04.2022. Photo by Trajche Dimitrovski.
Trifolium nigrescens –habitat- grassland overgrown with Trifolium nigrescens. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habitat. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – habit. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens –habit. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens –habit. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens –upper part of plant with inflorescences. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescences. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescences. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescences. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – inflorescence. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens – stem with upper cauline leaves and stipules. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens –lower part of plant- stems with leaves. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.
Trifolium nigrescens –plant base. Osogovo, in the vicinity of “Saint Panteleimon” monastery, 10.05.2021. Photo by Trajche Dimitrovski.

References:

Micevski, K. (2001). The Flora of the Republic of Macedonia Vol. I, Book 5. Macedonian Academy of Sciences and Arts.

Trifolium nigrescens Viv. Plants of the World Online portal, Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:523445-1 [Accessed 25.10.2021].

Last update: 10.11.2022.

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