Agrimonia eupatoria

Krasnopoļska, Dana, Evarts-Bunders, Pēteris & Svilāne, Inita, 2020, Contribution To Knowledge Of Genus Agrimonia L. (Rosaceae) In Latvia, Acta Biologica Universitatis Daugavpiliensis 20 (1), pp. 47-53 : 48-50

Agrimonia eupatoria L., Sp. Pl. 1: 448. 1753 .

Morphology. Perennial, 60 – 100 cm. Stem with three types of hairs – long patent, short flexuous eglandular and short glandular. Plant with leaf rosette. Leaves elliptical or oval, margin is incised-dentate and sometimes serrate. Petals (3 –) 4 – 5 (– 6) mm, golden yellow, obovate-elliptic. Fruit campanulate, 6 – 7 × 3.6 – 4.5 mm, bristles 1.5 – 2.5 mm, erect. Blooms from June to September.

Most frequently recorded Agrimonia species in Latvia. Typical habitats: meadows, shrubs, forest edges and slopes of riverbanks.

Agrimonia pilosa Ledeb., Index Seminum Hort. Dorpat., Suppl. 1. 1823.

Morphology. Perennial, 30 – 120 cm. Stem with long eglandular and short glandular hairs, without leaf rosette. Leaves green on both surfaces, with glandular and a few eglandular hairs beneath, obovate, obovate-elliptic, or obovate-lanceolate, with 3 – 8 pairs of teeth, cuneate and entire at base. Petals 2 – 4 mm, pale yellow, oblong. Fruit obconical, 5.5 – 6.5 × 3 – 4 mm, bristles 1 – 2.5 mm, inner and outer converting to disc. Blooms from June to August.

A. pilosa is listed in Annex II of the Habitats Directive of the European Union (Council Directive 92/43/EEC of 21 May 1992). According to the monitoring data from 2017 – 2018 (Anonymous 2018), A. pilosa in Latvia is distributed very unevenly – mainly present in Central , Northern and Eastern Latvia and is relatively uncommon in the coastal lowlands and Western Latvia ( Fig. 2 ) .

Typical habitats – meadows, shrubs, forest edges, often occurs in disturbed habitats –forest clearings, forest roads and lanes.

Agrimonia procera Wallr. Erst. Beitr. Fl. Hercyn. 203. 1840; in Linnaea, xiv. (1840) 573 (1840).

New species for the flora of Latvia.

Morphology. Perennial, 40 – 200 cm. Stem ribbed with long eglandular and short glandular hairs, without leaf rosette. Leaves lanceolate, with large toothed margin, coarsely and acutely serrate almost to the base, under side gray-green, covered with glandular hairs. The upper stem leaves are almost as large as the lower ones. Petals 5, 4 – 5 mm long, golden yellow, oblong to obovate, often emarginated. Inflorescence long spike, flowers fragrant. Fruit cupuliformis, 6.5 – 7.5 × 5.5 – 6.5 mm, bristles 2 – 5 mm, inner erect, outer deflexed. Blooms from June to September.

Typical habitats – meadows, shrubs, forest edges, roadsides.

First collected herbaria material in Latvia – Ambeļi (Suveizda, 31001022, 03/06/1988) . In Latvia is known from four localities – Naukšēni district, Naukšēni rural municipality, ~7,5 km NE of Naukšēni, “Apsītes” ( E. Ozola, 100004962, 02/09/2019) ; Daugavpils district, Demene rural municipality, ~ 800 m NW of Kovališķi, ~ 300 m NW of “Tīrumi 1”, (D. Krasnopoļska, 100004649, 18/07/2019) ; Ilūkste district, Šēdere rural municipality, ~2,3 km N of Rauda , ~ 400 m NNE of “Osīši”, (D. Krasnopoļska, 100004650, 09/07/2019) ; Ilūkste district, Šēdere rural municipality, ~1,7 km N of Rauda , ~ 200 m NW of “Indrāni”, (D. Krasnopoļska, 100004651, 09/07/2019) .

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Figures

Fig. 2. Distribution of Agrimonia pilosa Ledeb. in Latvia (Anonymous 2018).