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FOC | Family List | FOC Vol. 24 | Stemonaceae | Stemona

1. Stemona sessilifolia (Miquel) Miquel, Prolus. Fl. Jap. 386. 1867.

直立百部 zhi li bai bu

Roxburghia sessilifolia Miquel, Ann. Mus. Bot. Lugduno-Batavi 2: 211. 1866; Stemona erecta C. H. Wright.

Subshrubs. Roots ca. 1 cm thick. Stems erect, simple, 30--70 cm, ribbed. Leaves 2--5-whorled, shortly petiolate or subsessile; leaf blade obovate- or ovate-elliptic or ovate-lanceolate, 3.5--6 × 1.5--4 cm, base cuneate, apex shortly acute. Inflorescences borne in scale axils at base of stem, 1-flowered; pedicel 1--1.5 cm, articulate near or above middle; bracts scalelike, ca. 8 mm. Perianth segments pale green, ovate-lanceolate, 10--15 × 2--4 mm. Stamens purple, shorter than perianth or only slightly so; filaments 2--4 mm, stout; anthers ca. 3.5 mm; appendages adherent, adaxial one flat, broad, 5--7 mm. Capsule (from Japan) ovoid, 7--9 × 4--6 mm, 1- or 2-seeded. Fl. Mar--May, fr. Jun--Jul.

* Mountain slopes. Anhui, Fujian, Henan, Hubei, Jiangsu, Jiangxi, Shandong, Zhejiang [?Japan].

The roots are used medicinally.

Also see LI En-Xiang & FU Cheng-Xin. 2007. A new synonym of Stemona sessilifolia (Stemonaceae). Acta Phytotax. Sin. 45: 399-402, in which the authors treated S. shandongensis D. K. Zang as synonymous with this taxon.


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