The World Flora Online

Plants 80–100 cm tall. Stems sulcate, glabrous. Stipules green, semicordate or ovate-lanceolate, herbaceous, margin sharply serrate; petiole glabrous; leaf blade pinnate, with 2–5 pairs of leaflets, abaxially white tomentose, sometimes a few basal leaflets glabrescent, adaxially glabrous; terminal leaflet 3–5-lobed, slightly smaller to slightly larger than lateral ones, lobes lanceolate to oblong-lanceolate, margin doubly serrate or slightly lobed, apex acuminate; lateral leaflets oblong-ovate or elliptic-lanceolate, base rounded, margin doubly serrate, apex acuminate. Inflorescence terminal, paniculate. Flowers bisexual, ca. 5 mm in diam.; pedicel sparsely pubescent. Sepals ovate, densely pubescent abaxially, apex obtuse or acute. Petals white, obovate. Achenes attached to receptacle adaxially near base, subsessile, spirally contorted and appearing united. Fl. and fr. Jun–Sep. 2n = 14.

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Plants cespitose, 12–17 dm. Rhizomes horizontal, stout, 5–10 mm wide, internodes 1–2 cm; root tubers absent. Stems sparsely curly-puberulous distally or glabrous. Leaves: basal 1 or 2, deciduous by flowering; stipules ovate, 0.6–1 cm, base auriculate; lateral leaflets in 2–4 pairs, remote, with smaller intermediate leaflets between them, ovate to elliptic, 2–6 cm, margins doubly serrate; terminal leaflets round, 3–7 cm diam., palmately 3–5-lobed, lobes ovate to lanceolate, margins doubly serrate, apex acute to acuminate, surfaces hairy at least on nerves, ?hairs appressed, straight to curly, short?, or abaxial grayish tomentose. Inflorescences 100+-flowered; branches and pedicels glabrous or tomentose to tomentulose. Flowers: hypanthium concave, becoming slightly convex in fruit; sepals (4–)5(–6), green, spatulate to triangular, 2–3 mm, margins without or with weak midrib, abaxially tomentose puberulent, adaxially glabrous; petals (4–)5(–6), white to cream, orbiculate to obovate, 2.5–5 mm, claws distinct, short, base narrow, margins entire; stamens white, longer than petals. Achenes 6–8, flattened, elongate, twisted, 3–6 mm, glabrous; sessile; styles 1–1.5 mm. 2n = 14, 14+2B (Europe).

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Pls 1–2 m; terminal lfl rotund in outline, 6–15 cm wide, deeply divided into 3–5-ovate or ovate-oblong, serrate segments; lateral lfls 2–5 pairs, 2–8 cm, oblong to ovate, coarsely and sharply doubly serrate, seldom shallowly lobed; sep ovate- triangular, obtuse, pet 5(6) white, 2–5 mm; frs glabrous, 3–4 mm, tightly and spirally imbricated, each going through about a half-turn; 2n=14, 16, 24. Native of Eurasia, occasionally escaped from cult., especially northeastward. June–Aug. Var. ulmaria has the lfls closely tomentose beneath; var. denudata (J. Presl & C. Presl) Beck has the lfls green and sparsely hairy beneath with long straight hairs.

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0,5–2 m hoch, oben verzweigt. Blätter unterbrochen gefiedert mit 2–5 Paaren von grossen Teilblättern, dazwischen sehr kleine zusätzliche Teilblättchen, unterseits weissfilzig bis kahl. Endteilblatt gross, 3–5lappig. Blüten klein, weiss, meis

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• 4
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6–8. Feuchte Wiesen, Gräben, Bachläufe, kollin-subalpin. CH.

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