傘花老鸛草檢視原始碼討論檢視歷史
| 傘花老鸛草 |
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中文學名:傘花老鸛草 拉丁學名:Geranium umbelliforme Franch. 別 稱:白隔山消、傘形老鸛草 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:牻牛兒苗目 科:牻牛兒苗科 屬:老鸛草屬 組:多花組 |
傘花老鸛草（學名：Geranium umbelliforme）為牻牛兒苗科老鸛草屬的植物，是我國的特有植物。分布於雲南西北和四川西南。生於海拔3 000米左右的山地草坡。 [1]
傘花老鸛草形態特徵
多年生草本，高30-40厘米。
根莖短粗，木質化。莖叢生，直立，上部具1-2分枝，密被開展的灰白色糙毛和腺毛。
葉互生，上部偶有對生；托葉披針形，長10毫米，寬2-3毫米，外被柔毛；基生葉和莖下部葉具長柄，柄長為葉片的4-5倍，上部葉柄與葉片近等長，密被開展的腺毛；葉片腎圓形，有時上部葉片五角形，長2.5-3.5厘米，寬4-7厘米，5-7深裂，裂片倒卵狀寬楔形，頂部通常向下3裂，小裂片通常具3-4齒狀裂片，先端急尖，具不明顯尖頭，表面被糙伏毛，背面通常僅沿脈被糙毛。
傘花老鸛草 花序傘形狀，明顯長於葉，通常每3個總花梗簇生分枝先端，似復傘形花序；總花梗密被糙毛和開展的腺毛；花梗與總花梗相似，長為花的2-4倍；萼片卵狀橢圓形，長5-6毫米，寬約2毫米，先端具1毫米短尖頭，外被開展腺毛；
花瓣紫紅色，倒長卵形，長為萼片的2倍，先端圓形，基部楔形，下部邊緣具睫毛；雄蕊與萼片近等長，中部以下擴展，外被疏柔毛，花葯棕褐色；子房被短柔毛，花柱分枝棕褐色。
蒴果長約2厘米，被白色糙毛。 期6-8月，果期8-10月。 [2]
Geranium umbelliforme Franch. in Bull. Soc. Bot. France 33: 443. 1886 et Pl. Delav. 115. t. 25. 1889; R. Knuth in Engl. Pflanzenr. Heft 53. 4 (129): 137. 1921; 四川植物志 9: 32. 1989; 雲南植物志5: 93. 1991; 橫斷山區維管植物1: 1026. 1993.
Perennials. Rootstock ± vertical, 6-11 mm in diam., not tuberculate, without thickened roots. Stem 28-45 cm tall, erect, not rooting at nodes, with 0.3-3.9 mm patent nonglandular trichomes and 0.7-1.8 mm patent glandular trichomes. Stipules ovate, distinct. Leaves alternate; petiole with 0.4-3.9 mm patent nonglandular trichomes and 0.6-1.8 mm patent glandular trichomes; leaf blade 3.7-8.4 cm, palmately cleft, ratio of main sinus/middle segment length = 0.66-0.73, pilose with ± appressed nonglandular and glandular trichomes; segments 5 or 7, obtriangular, 0.8-1.4 cm wide at base, 7-15-lobed in distal half, ratio of second sinus/middle segment length = 0.16-0.19. Cymules in loose umbel-like aggregates at apex of each branch, (2 or)3(or 4)-flowered; peduncle 2.5-6.7 cm. Pedicel 0.6-3.5 cm, with 0.4-3.5 mm patent nonglandular trichomes and 0.6-1.8 mm patent glandular trichomes; bracteoles linear-lanceolate. Sepals 6.1-7.6 mm, mucro 0.7-1.4 mm, ratio of mucro/sepal length = 0.11-0.18, outside with 0.3-3.2 mm patent nonglandular trichomes and 0.6-1.6 mm patent glandular trichomes, inside glabrous. Petals pinkish, 1.3-1.5 cm, erect to patent, both surfaces basally with trichomes but mainly inside, margin basally ciliate, apex rounded or retuse. Staminal filaments whitish, lanceolate, abaxially pilose and proximal half ciliate, trichomes 0.3-0.9 mm; anthers brownish, 0.9-1.6 mm. Nectaries 5, hemispheric, glabrous. Stigma reddish. Fruit ca. 1.8 cm, erect when immature; mericarps reticulate, without a basal callus, with 0.1-0.2 mm ± appressed nonglandular trichomes; rostrum ca. 1.2 cm, with a ca. 2 mm narrowed apex; stigmatic remains ca. 1.5 mm. Seeds not known. Fl. Jun-Aug, fr. Aug-Oct.
傘花老鸛草生長環境
生長於海拔3 000米左右的山地草坡。
傘花老鸛草分布範圍
傘花老鸛草生長價值
根：收斂，止痛，止瀉。