吉隆老鸛草檢視原始碼討論檢視歷史
| 吉隆老鸛草 |
|
中文學名:吉隆老鸛草 拉丁學名:GeraniumIamberti 界:植物界 門:被子植物門 綱:雙子葉植物綱 科:牻牛兒苗科 屬:老鸛草屬 |
吉隆老鸛草(jí lóng lǎo guàn cǎo，學名 Geranium lambertii Sweet，異名：Geranium lamberti Geranium chumbiense Geranium grevilleanum )，多年生草本，高約40厘米。花期7月。 生於海拔3 000米左右的山地灌叢。[1]
吉隆老鸛草形態特徵
多年生草本，高約40厘米。根莖短粗，近木質化，具細長紡錘形根。莖直立或基部仰臥，具稜角，被倒向短柔毛和稀疏開展的腺毛．具1一2個假二叉狀分枝。
葉基生和莖上對生；托葉寬披針形，長8一10毫米，寬34毫米，基部合生，外被短柔毛；基生葉具長柄，早枯，莖下部葉柄長為葉片的3一4倍。
被短柔毛和開展的腺毛，上部葉柄漸短；葉片五角狀，長3一4厘米，寬4一6厘米，基部心形，5深裂近基部，裂片寬菱形，下部寬楔形、全緣，h部羽狀淺裂至深裂，小裂片近卵形，先端鈍圓或急尖，表面被短伏毛，背面被疏柔毛和洲詠被毛較密。
總花梗腋生和頂生，長於葉，被倒向短柔毛和開展腺毛，每梗具2花：花梗與總花梗相似，長約為花的2一3倍；苞片條狀披針形，長8一12毫米，寬約2毫米，被短柔毛；芬片卵狀橢圓形或長橢圓形，長12一14毫米，寬5一7毫米，先端鈍圓，具短尖頭，外被短柔毛或主要沿脈被短柔毛；花瓣白色或基部帶紅色，幾成輻射狀開展，倒卵形，長20一29毫米，寬12一15毫米，先端圓形。
基部寬楔形，密被短柔毛；雄蕊與粵片近等長，紫褐色，下部擴展，被長柔毛達中部以上；雌蕊與雄蕊近等長，密被長柔毛，基部蜜腺被毛呈氈狀，花柱分枝紫褐色．花期7月。[2]
Perennials. Rootstock ± vertical, short, thick, subwoody, not tuberculate, with long thin fusiform roots. Stem 50-60 cm tall, trailing or ascending, rooting at nodes, with 0.2-0.7 mm patent to retrorse nonglandular trichomes. Stipules broadly lanceolate, distinct. Leaves opposite; petiole with 0.4-0.6 mm patent to retrorse nonglandular trichomes; leaf blade ca. 7.5 cm, palmately cleft, ratio of main sinus/middle segment length = ca. 0.76, pilose with appressed nonglandular trichomes; segments 5, rhombic, ca. 1.2 cm wide at base, 9- or 10-lobed in distal half, ratio of second sinus/middle segment length = ca. 0.21. Cymules solitary, 2-flowered; peduncle 5-18.5 cm. Pedicel 1.5-4.4 cm, with 0.2-0.7 mm patent to retrorse nonglandular trichomes; bracteoles broadly lanceolate. Sepals 0.9-1.4 cm, mucro 1.8-2 mm, ratio of mucro/sepal length = ca. 0.13, outside with 0.2-0.9 mm antrorse to patent nonglandular trichomes and 1-1.2 mm ± patent glandular trichomes, inside glabrous. Petals pale pink or white, 2-2.4 cm, erect to patent, inside basally with trichomes, margin basally ciliate, apex rounded. Staminal filaments blackish except base, lanceolate, abaxially densely covered with 1.5-2 mm trichomes but glabrous toward tip; anthers black. Nectaries 5, hemispheric, abaxially glabrous, apex with a tuft of trichomes. Stigma blackish. Fruit ca. 4 cm, erect when immature; mericarps smooth, with a basal callus; rostrum 2.6-3 cm, with a ca. 4 mm narrowed apex; stigmatic remains 5-6 mm. Seeds unknown. Fl. and fr. Jul-Sep. 2n = 30.
吉隆老鸛草生長環境
生長於海拔3000米左右的山地灌叢。