巴山细辛查看源代码讨论查看历史
巴山细辛 |
中文名:巴山细辛 界:植物界 门:蕨类植物门Pteridophyta 纲:蕨纲Filicopsida 目:真蕨目Eufilicales 科:马兜铃科Aristolochiaceae 属:细辛属Asarum 种:巴山细辛 分布区域:产我国四川 |
巴山细辛(bā shān xì xīn,学名 Asarum bashanense Z. L. Yang),一年生或多年生草本,直立或者盘绕, 叶柄8-25厘米,无毛到疏生柔毛; 叶片均匀染色,卵状心形到戟形心形,芽苞叶卵形的到卵状披针形,花序梗上升到下弯,花萼深红色1-5 厘米,花丝远短于花药; 子房半下位,产于四川省。 [1]
巴山细辛形态特征
一年生或多年生草本,直立或者盘绕,雌雄异株或有时雌雄同体,通常有一些钟乳体(在毛状体基部的一个坚固的钙化碳酸盐结构)垂直的根状茎,2-5毫米直径, 节间的不到1 厘米叶单生;
叶柄8-25厘米,无毛到疏生柔毛; 叶片均匀染色,卵状心形到戟形心形, 6-17 * 5-16 厘米,背面无毛,正面短柔毛,基部宽心形,侧面裂片 2-3 * 3.5-6 厘米,先端锐尖或渐尖;
芽苞叶卵形的到卵状披针形,大约1.5×1厘米。花序梗上升到下弯,花萼深红色1-5 厘米,钟状旋转, 2-3 * 4-5 厘米;萼片合生超过贴生的子房,背面无毛;
圆筒状的筒部,约 0.9 * 1-1.5 厘米,稍缢缩在喉部,正面网状具皱褶,孔环约1毫米宽; 裂片宽卵形, 1.5-2 * 2-2.5 厘米,基部具一圆形具小乳突的地区。 [2]
雄蕊12; 花丝远短于花药; 药隔稍延伸超过药隔,钝。 子房半下位 花柱离生,先端具缺刻; 柱头侧。 花期 3月6月。[3]
Asarum bashanense Z. L. Yang 巴山细辛 ba shan xi xin[4]
Herbs. Rhizomes vertical, 2-5 mm in diam., internodes less than 1 cm. Leaves solitary; petiole 8-25 cm, glabrous to sparsely pilose;
leaf blade uniformly colored, ovate-cordate to hastate-cordate, 6-17 × 5-16 cm, abaxial surface glabrous, adaxial surface pubescent, base broadly cordate, lateral lobes 2-3 × 3.5-6 cm, apex acute to acuminate;
cataphylls ovate to ovate-lanceolate, ca. 1.5 × 1 cm. Peduncle ascending to recurved, 1-5 cm. Calyx deep red, campanulate-rotate, 2-3 × 4-5 cm;
sepals connate beyond attachment to ovary, abaxially glabrous; tube cylindric, ca. 0.9 × 1-1.5 cm, slightly constricted at throat, adaxially reticulate-corrugate, orifice ring ca. 1 mm wide;
lobes broadly ovate, 1.5-2 × 2-2.5 cm, base with a rounded papillose area. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, obtuse. Ovary half-inferior. Styles free, apex notched; stigmas lateral. Fl. Mar-Jun.
生境产地
- Forests, mountain slopes, moist shady areas; 700-900 m. Sichuan.
森林,山坡,潮湿的在阴处的地区; 700-900米。四川。
No specimens were seen; the data above are from the original description and figure. That figure was labeled “Asarum infaustum Z. L. Yang,” but this was clearly in error because this name is otherwise unknown and the same vernacular name as A. bashanense was used.
参考来源
- ↑ 巴山细辛, 植物智, 2020-01-18
- ↑ 陕西省细辛属植物——新记录种及其核型研究--《安徽农业科... 【摘要】:细辛属植物是园艺界的新兴的关注焦点。我国是细辛属植物分布中心。巴山细辛(Asarum bashanense Z.L.Yang)为陕西省新记录种。该研究对其早期有关的形态...
- ↑ 巴山细辛 Asarum bashanense 巴山细辛(bā shān xì xīn)PPBCCVHColDuocetCFHeFlorasEOLTPLIPNIBHLPOWOGBIFiDigBioBingBaiduAsarum bashanense植物百科 名称分类 植物志 植物图片 植物标本 物种...
- ↑ FOC >> Vol.5 (2003) >> Aristolochiaceae >> Asarum | eFloras.org Link