肉茎远志查看源代码讨论查看历史
| 肉茎远志 |
肉茎远志，拉丁文名为【Polygala carnosicaulis】，名称状态为【被SP2000收录，状态为：Polygala carnosicaulis为接受名】，国内分布区域为【云南全球观测记录分布（数据来自GBIF）】
基本信息
拉丁文名: Polygala carnosicaulis
名称状态: 被SP2000收录，状态为：Polygala carnosicaulis为接受名
正文
名称状态：被SP2000收录，状态为：Polygala carnosicaulis为接受名中文名：肉茎远志形态描述：24. Polygala carnosicaulis W. H. Chen & Y. M. Shui, Acta Bot. Yunnan. 24 428. 2002. 肉茎远志 rou jing yuan zhi Herbs annual, 10-30 cm tall. Roots fibrous. Stems red, 4-6 mm in diam., fleshy, glabrous, branched. Petiole red, 0.8-1.8 cm; leaf blade abaxially greenish, adaxially green, ovate, 2.3-5.5 × 1.1-2.3 cm, papery, midvein raised abaxially, impressed adaxially, lateral veins 5 or 6 pairs, raised abaxially, anastomosing near margin, base cuneate, margin entire, apex acuminate. Racemes terminal, 2-2.6 cm, to 7-13 cm at fruiting. Pedicel 1.2-1.5 cm, angular, glabrous; bracts caducous, ovate, ca. 0.9 × 0.3 mm. Flowers yellow, small. Sepals 5, unequal, broadly ovate; outer sepals 3, ca. 1.2 × 1.1 mm; inner sepals 2, petaloid, ca. 3.5 × 2.5 mm, base unguiculate, apex obtuse. Petals 3, connate in lower 1/2, yellow; lateral petals oblong, 2-2.2 × 1.1-1.3 mm, apex slightly obtuse; keel 2.3-2.5 × 1.4-1.5 mm, near apex with 2 red orbicular entire appendages. Stamens 8; filaments ca. 3.5 mm, lower 2/3 united, forming an open staminal sheath; anthers yellow, ovoid, ca. 0.3 mm. Ovary obovoid, ca. 1 mm in diam.; style trumpet-shaped, gradually broadened from base toward apex, apex slightly curved, pincerlike; stigma on lower lobes. Capsules subglobose, 3.5-4 mm in diam., winged, apex retuse or obtuse, wing 0.5-0.8 mm. Seeds black, shiny, ellipsoidal, 1.2-1.4 mm, 0.8-0.9 mm in diam., punctate, base setiferous, with 2-lobed strophiole. Fl. Aug-Sep, fr. Sep-Oct.Shrub forests on rocky hills; 2000-2100 m. SE Yunnan (Hekou).One of us (Parnell) prefers to treat this as a variety of Polygala isocarpa, differing in its punctate seeds and fleshy stems; however, two of us (Chen and Ma) recognize it as a good species because of its distinct stem and larger seeds. From Flora of China FOC Vol. 11 Page 143, 151国内分布：云南全球观测记录分布（数据来自GBIF）
形态特征
一年生草本，高10-30厘米。根纤维状。茎红色，直径4-6毫米，肉质，无毛，分枝。叶柄红色，0.8-1.8厘米；叶片背面带绿色，正面绿色，卵形，2.3-5.5*1.1-2.3厘米，纸质，背面中脉突起，正面不明显，侧脉5或6对，背面突起，近边缘网结，基部楔形，边缘全缘，先端渐尖。总状花序顶生，2-2.6厘米，果期达7-13厘米。花梗1.2-1.5厘米，具角，无毛；苞片早落，卵形，约0.9*0.3毫米。花黄色，小。萼片5，不等长，宽卵形；外部萼片3，约1.2毫米1.1毫米；内部萼片2，瓣状，长约3.5毫米×2.5毫米，基部具爪，先端钝。花瓣3，下部1/2合生，黄色；侧花瓣长圆形，2-2.2毫米×1.1-1.3毫米，先端稍钝；龙骨瓣2.3-2.5毫米×1.4-1.5毫米，近先端有2枚红色圆形全缘的附属物。雄蕊8；花丝长约3.5毫米，下部2/3合生，形成开放的雄蕊鞘；花药黄，卵球形，长约0.3毫米。子房倒卵球形，直径约1毫米；花柱喇叭状，从基部向先端逐渐变宽，先端稍弯曲，钳状；柱头生于下部裂片上。蒴果近球形，直径3.5-4毫米，具翅，先端微凹或钝，翅0.5-0.8毫米。种子黑色，发亮，椭圆体，1.2-1.4毫米，直径0.8-0.9毫米，具点，基部具刚毛，带有2裂的种阜。花期8月9月，果期9月10月。
分布范围
于中国云南东南部。生长在海拔2000-2100米的岩石小山上的灌木森林。 [1]