Portulaca macrantha (Maire) Ricceri & Arrigoni

Raab-Straube, Eckhard von & Raus, Thomas, 2023, Euro + Med-Checklist Notulae, 16, Willdenowia 53 (1), pp. 57-77 : 67

Portulaca macrantha (Maire) Ricceri & Arrigoni

( ≡ Portulaca oleracea subsp. macrantha (Maire) Maire ). – Fig. 8A, B.

A Cm: Crimea: Sudak, S slope, 31 Jul 1886, Zelenetskiy (YALT); Balaclava, 1896, Andreyev (YALT); Simeiz, 28 Jul 1903, in collibus, Golde (YALT); SW slope of Ayudag mountain, 22 Aug 1981, Golubyev & Volokitin (YALT); Nikita, Nikitsky Botanical Garden, 44°30'41''N, 34°13'56''E, 150 m, flowerbed, 6 Dec 2019, Ryff (YALT). – New area record for this taxon, identified by SEM study of the seeds. It is native to the Canary Islands and Morocco ( Dobignard & Chatelain 2013), cultivated in Algeria and given as introduced in Tunisia ( Domina & al. 2010) and Poland ( Bulakh & al. 2022).

E. Bulakh, L. E. Ryff & M. Shevera

N Uk: Ukraine: Kherson region, Tsuriupinsk district, Kozachi Lageri, sand, 19 Jul 1952, Gryn & Dubovyk ( KW s.n.); Zhytomyr region, Zhytomyr district, Dovzhyk village, weeds in market garden, 31 Aug 2019, Orlov ( KW 156624 ); ibid., Glybochytsia village , side of Zhytomyr – Kyiv highway, 18 Sep 2019, Orlov ( KW 156626 ); ibid., Barashivka village , private market garden, on hill, as weed, 2 Oct 2019, Orlov ( KW 156622 ); ibid., Zhytomyr, railway station, unloading yard, 8 Oct 2019, Orlov ( KW 156625 ); ibid., Golubiatyn village , railway station, 14 Aug 2021, Orlov ( KW 159035 ); ibid., Troshcha village , market garden, 20 Aug 2021, Orlov ( KW 159034 ); ibid., Motovylovka village , side of highway, 15 Sep 2021, Orlov ( KW 159036 ).

– New area record for this taxon, identified by SEM study of the seeds. The closest known location is in Poland ( Bulakh & al. 2022). In continental Ukraine, it is found in forests (Polissia), forest-steppe and steppe ( N Black Sea region ) zones. It is probably the most common microspecies of the Portulaca oleracea aggregate in the country.

E. Bulakh, O. Orlov, P. Bulakh & M. Shevera

Figures

Fig. 8. Portulaca oleracea aggregate, ultrastructural study of seed surfaces by SEM. – A, B: P. macrantha, Crimea, Simeiz, 28 Jul 1903, in collibus, Golde (YALT). – C, D: P. nitida, Crimea, Sevastopol, surroundings,Yalta Ring, 44°32'26''N, 33°35'49''E, 100 m, side of road, 19 Jul 2020, Ryff (YALT). – E, F: P. oleracea s. str., Crimea, S coast of Crimea, Artek, “New village”, 44°33'57''N, 34°19'03''E, 200 m, as weed on trail, 6 Sep 2021, Ryff (YALT). – Scale bars:A, C, E = 100 μm; B, D, F = 50 μm. – Photographs by E. Bulakh & A. Terebilenko.