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

85. Ranunculus intramongolicus Y. Z. Zhao, Bull. Bot. Res., Harbin. 9(1): 69. 1989.

内蒙古毛茛 nei meng gu mao gen

Herbs perennial, subaquatic. Roots fibrous, subequally thick. Stems 3--5, subglabrous or sparsely puberulent, branched, branches rooting at nodes. Basal leaves ca. 5; petiole 1--4 cm, subglabrous or sparsely puberulent; blade 3-lobed, reniform or broadly ovate, 0.2--0.8 × 0.3--1 cm, herbaceous, glabrous or abaxially appressed puberulent, base truncate or broadly cuneate, central lobe broadly ovate, entire or 1-crenate; lateral lobes unequally 2-lobed, rarely undivided. Stem leaves similar to basal ones but smaller, short petiolate. Flowers solitary, terminal, ca. 0.5 cm in diam. Pedicel 2--15 mm, subglabrous or appressed puberulent. Receptacle glabrous. Sepals 5, elliptic, ca. 3 mm, glabrous. Petals 5, obovate, ca. 2.5 × 2 mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit subglobose, ca. 4 mm in diam.; carpels numerous. Achene slightly bilaterally compressed, ovoid-globose, ca. 1.2 × 1.2 mm, glabrous, margin with corky thickening; style persistent, ca. 0.1 mm. Fl. and fr. Jun--Aug.

* Marshes, meadows; 800--1000 m. C and NE Nei Mongol.


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