巴东过路黄Lysimachia patungensis

中文名(Chinese Name):巴东过路黄
学名(Scientific Name):Lysimachia patungensis Hand.-Mazz.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Lysimachia tashiroi Makino
科属(Family & Genus):报春花科(Primulaceae)珍珠菜属
形态特征(Description):茎纤细,匍匐伸长,节上生根,长14-40厘米,密被铁锈色多细胞柔毛;分枝上升,长3-10厘米,节间长1-3.5厘米。叶对生,茎端的2对(其中1对常缩小成苞片状)密聚,呈轮生状,叶片阔卵形或近圆形,极少近椭圆形,长1.3-3.8厘米,宽8-30毫米,先端钝圆、圆形或有时微凹,基部宽截形,稀为楔形,草质而稍厚,上面绿色,下面粉绿色,两面密布具节糙伏毛,边缘透光可见透明粗腺条,中肋稍宽,在下面微隆起,侧脉不明显;叶柄长约为叶片的一半或与叶片近等长,密被柔毛。花2-4朵集生于茎和枝的顶端,无苞片;花梗长6-25毫米,密被铁锈色柔毛;花萼长6-7毫米,分裂近达基部,裂片披针形,宽约1.5毫米,顶端稍钝,具极狭的膜质边缘,背面被疏柔毛;花冠黄色,内面基部橙红色,长12-14毫米,基部合生部分长2-3毫米,裂片长圆形,宽3-5毫米,先端圆钝,有少数透明粗腺条(干后有时呈淡褐色);花丝下部合生成高2-3毫米的筒,分离部分长4-6毫米;花药卵状长圆形,长约1.5毫米;花粉粒具3孔沟,近球形[(28-30) × (25-27)微米],表面具网状纹饰;子房上部被毛,花柱长达6毫米。蒴果球形,直径4-5毫米。花期5-6月;果期7-8月。
分布(Distribution):产湖北、湖南、广东、江西、安徽、浙江、福建,生于海拔1000米以下山谷溪边和林下。
引自中国植物志英文版:FOC Vol. 15 Page 64
Lysimachia patungensis Handel-Mazzetti, Notes Roy. Bot. Gard. Edinburgh. 16: 97. 1928.
巴东过路黄 ba dong guo lu huang| Primulaceae  | Lysimachia
Herbs perennial, 10--30 cm tall. Stems prostrate, rooting at nodes; branches ascending to 20 cm. Leaves opposite, upper 2 pairs closely crowded; petiole ca. 1/2 as long as to ca. as long as leaf blade; leaf blade broadly ovate to suborbicular, rarely subelliptic, 1.3--3.8 X 0.8--3 cm, pilose or glabrous, transparent glandular striate near margin, stripes visible under transillumination, base broadly truncate, rarely cuneate, apex obtuse, rounded, or occasionally slightly emarginate. Uppermost 2 leaves usually much smaller. Pedicel 0.6--2.5 cm, pubescent or glabrous. Flowers 2--4, crowded at apex of stems and branches, without bracts. Calyx lobes lanceolate, 6--7 X 1--1.5 mm, narrowly hyaline margined. Corolla yellow; tube 2--3 mm; lobes oblong, 10--11 X 3--5 mm, sparsely transparent glandular striate, stripes becoming brownish when dry, adaxially dull red at base, apex obtuse. Filaments connate basally into a 2--3 mm high tube, free parts 4--6 mm; anthers oblong-ovate, dorsifixed, opening by lateral slits, ca. 1.5 mm. Ovary ovoid; style ca. 6 mm. Capsule subglobose, ca. 4--5 mm in diam. Fl. May-Jun.
  • Thin mixed forests, streamsides; 500--1000 m. Anhui, Fujian, Guangdong, Hubei, Hunan, Jiangxi, Zhejiang.
 
巴东过路黄Lysimachia patungensis

巴东过路黄Lysimachia patungensis(责任编辑:徐晔春)

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