粉背人字果 fen bei ren zi guo

Plant glabrous. Rhizome robust, 5--10 cm, ca. 1 cm in diam. Leaves ca. 4, basal, 7--9-foliolate, abaxially pruinose; petiole 20--26 cm; leaf blade pentagonal, 14--16 × 10--16 cm; lateral leaflet petiolules 2--2.4 cm; leaflet blade obliquely rhombic-ovate, unequal in size, lower leaflets 3.5--5.2 cm, upper leaflets 8--9 × 3.8--4.5 cm; central leaflet petiolule ca. 4 cm; leaflet blade rhombic-ovate, 10--12 × 5--5.6 cm, base broadly cuneate, margin crenate and toothed. Flowering stem ca. 28 cm tall. Inflorescences monochasial, 3--7-flowered; lower bracts shortly petiolate, 2.4--3.2 cm, 3-foliolate; upper bracts 4--9 mm, 3-parted. Flowers unknown. Follicles oblanceolate-linear, ca. 1 cm, glabrous; persistent styles ca. 2 mm. Seeds dark purple, subglobose, ca. 2.5 mm, inconspicuously ridged, smooth. Fr. May. 2n = 24*.

* Limestone under dense forests; 1200--1300 m. SE Yunnan (Xichou Xian).