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云南百部Stemona mairei (Levl.) Krause

云南百部Stemona mairei (Levl.) Krause

别名:线叶百部;滇百部;丽江百部;狭叶百部;

科名:百部科 Stemonaceae

属名:百部属 Stemona

《中国植物志》第13(3)卷258页
  5.云南百部(中国高等植物图鉴)狭叶百部 线叶百部 丽江百部
  Stemona mairei (Levl.) Krause in Notizbl. Bot. Gard. Berlin 10: 289. 1928; 中国高等植物图鉴5: 421. 图7672. 1976; Tsi in Act. Phytotax. Sin. 16 (1): 44, f. 3. 1978. ——Dianella mairei Levl. in Bull. Geogr. Bot. 25: 39. 1915——S. vagula W. W. Smith in Not. Bot. Gard. Edinb. 10: 70. 1917; Krause l. c. 10: 290. 1928.——S. wardii W. W. Smith in Not. Bot. Gard. Edinb. 10: 71. 1917.——S. stenophylla Diels apud Schltr. in Notizbl. Bot. Gart. Berlin 9: 194. 1924. ——S. filifolia Schltr. in Notizbl. Bot. Gart. Berlin 9: 194. 1924.
  块根肉质,长圆状卵形。茎长20-70厘米,分枝或不分枝,攀援状,圆柱形,粗约2.5毫米,粉绿色,具纵条棱。叶对生或3-4枚轮生,直立向上,线形或线状披针形,有时在下部的叶为卵圆形,长1.5-7厘米,宽2-12毫米,偶而生于茎下部的达3厘米,顶端急尖或锐尖,基部楔形或圆形,无柄或近无柄;主脉3-5条。花单生于叶腋或叶片中脉基部,白色,有时带粉红色;苞片刚毛状,长约3毫米;花柄丝状,长1-2.5厘米;花被狭长圆形,长约2厘米,外轮宽5-6毫米,内轮宽7-8毫米,顶端急尖,通常具7-9脉;雄蕊直立,长约1.2厘米;花丝短,丝状;花药披针形,药室基部离生,顶端延伸为线状附属物;药隔在药室之上延伸为较长的钻状附属物;子房细小,近球形;柱头无柄,胚珠6枚。蒴果卵形。种子卵圆形,长约5毫米,宽2.5毫米,外表面具纵槽纹,棕黑色,基部丛生泡囊状附属物。花期4-6月。
  特产云南北部和西北部至东北部(永仁、鹤庆、丽江等地)。生于海拔达3 200米的山坡草地上或山地路边。

《Flora of China》 Vol. 24 (2000)
Stemona mairei  (H. Léveillé) K. Krause
云南百部   yun nan bai bu
Dianella mairei H. Léveillé, Bull. Acad. Int. Géogr. Bot. 25: 39. 1915; Disporum mairei H. Léveillé; Stemona filifolia Schlechter; S. stenophylla Diels ex Schlechter; S. vagula W. W. Smith; S. wardii W. W. Smith.
Vines. Roots ovoid-oblong. Stems sometimes branched, 20--100 cm × ca. 2.5 mm. Leaves opposite or whorled, subsessile; leaf blade narrowly ovate to linear, 1.5--7 × 0.2--1.2(--3) cm, veins 3--5, base rounded to cuneate, apex acute. Inflorescences axillary or at base of leaf midvein, erect, racemes, 1(or 2)-flowered; peduncle filiform, 1--2.5 cm; bracts setaceous, ca. 3 mm. Flowers opening fully or not. Perianth segments white tinged with pink, 20--25 × 5--8 mm, apex acute. Stamens shorter than perianth; filaments very short; anthers ca. 6 mm; adaxial appendage broad, ca. 5 mm, apex obtuse. Ovary obliquely ovoid, small; ovules 6. Capsule globose-ovoid, ca. 8 × 7 mm, ca. 5-seeded. Fl. Apr--Jul.
* Scrub, mountain slopes, dry grasslands, limestone rocks; 800--3300 m. Sichuan, N Yunnan.

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