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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Ranunculus

116. Ranunculus tachiroei Franchet & Savatier, Enum. Pl. Jap. 2: 267. 1876.

长嘴毛茛 chang zui mao gen

Ranunculus cantoniensis de Candolle subsp. tachiroei (Franchet & Savatier) Kitamura.

Herbs perennial. Roots fibrous, subequally thick. Stems 70--80 cm, spreading hispid below, strigose and branched above. Basal and lower stem leaves with petiole 7--18 cm, spreading hispid; blade biternate, ca. 12 × 16 cm, papery, strigose; central leaflet petiolulate, broadly rhombic, ca. 5 × 4.5 cm, 3-partite, tertiary lobes cuneate, 2- or 3-lobed and few denticulate; lateral leaflets subsessile, smaller, oblique. Upper stem leaves shortly petiolate, ternate or simple, 3-sect. Compound monochasium terminal, corymbose, lax flowered; bracts 3-sect, segments lanceolate-linear. Flowers 1.1--1.3(--1.8) cm in diam. Pedicel 1.1--1.2 cm, strigose. Receptacle hirtellous. Sepals 5, reflexed, broadly ovate, ca. 4 mm, abaxially strigose. Petals 5(or 6), oblong or obovate, 5--7(--9) × 2--5(--6.2) mm, nectary pit covered by a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit subglobose, 8--9 mm in diam.; carpels numerous. Achene bilaterally compressed, obliquely broadly obovate, ca. 3 × 2.6 mm, glabrous, narrowly marginate; style persistent, 1.2--1.6 mm. Fl. Jul.

Moist grassy places. E Jilin, SE Liaoning [Japan, Korea].


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