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紫花雪山报春Primula chionantha

时间:2013-10-30 18:49来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):紫花雪山报春 学名( Scientific Name ): Primula chionantha Balf. f. et Forrest 英文名( English Common Name ): 别名( Chinese Common Name ): 玉葶报春、华紫报春 异名( Synonym ): Primula sinopurpurea Balf. f
中文名(Chinese Name):紫花雪山报春
学名(Scientific Name):Primula chionantha Balf. f. et Forrest
英文名(English Common Name):
别名(Chinese Common Name):玉葶报春、华紫报春
异名(Synonym):Primula sinopurpurea Balf. f. ex Hutch.  Primula ingens W. W. Sm. et Forrest
科属(Family & Genus):报春花科(Primulaceae)报春花属
形态特征(Description):多年生草本。根状茎短,具多数长根。叶丛基部由鳞片、叶柄包叠成假茎状,高4-9厘米,直径可达3.5厘米;鳞片披针形,干时膜质,棕褐色,顶端常被黄粉。叶形变异较大,矩圆状卵形、矩圆状披针形、披针形以至倒披针形,长5-20(25)厘米,宽1-5厘米,先端锐尖或钝,基部渐狭窄,边缘具细小牙齿或近全缘,干时坚纸质,下面初时密被鲜黄色粉,后渐脱落,至老时仅微被粉,中肋宽扁,侧脉纤细,不显著;叶柄具宽翅,为鳞片所覆盖,外露部分开花期甚短,后稍伸长,果期长可达叶片的1/2。花葶粗壮,高(15)20-50(70)厘米,近顶端被黄粉;伞形花序1-4轮,每轮3至多花;苞片披针形至钻形,长5-15毫米,腹面被粉;花梗长1-2.5厘米,密被鲜黄色粉,开花时稍下弯,果时直立,长可达6厘米;花萼狭钟状,长8-10(12)毫米,分裂略超过中部,裂片矩圆状披针形,先端稍钝,外面疏被粉,内面密被鲜黄色粉;花冠紫蓝色或淡蓝色,稀白色,冠筒长11-13毫米,冠檐直径2-3厘米,裂片阔椭圆形至近卵形,全缘;长花柱花:雄蕊着生处距冠筒基部4-5毫米,花柱长达冠筒口;短花柱花:雄蕊着生于冠筒上部,花药顶端接近筒口,花柱长约3.5毫米,稍高出花萼中部。蒴果筒状,长于花萼近1倍。花期5-7月,果期7-8月。
分布(Distribution):产于四川、云南和西藏,生长于海拔3000-4400米高山草地、草甸、流石滩和杜鹃丛中。
引自中国植物志英文版:FOC Vol. 15 Page 155   
Primula chionantha I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh. 9: 11. 1915.
紫花雪山报春 zi hua xue shan bao chun| Primulaceae  | Primula
Primula ingens W. W. Smith & Forrest; P. sinopurpurea I. B. Balfour ex Hutchinson.
Herbs perennial, with a long stock formed by overlapping petioles and basal bud scales. Leaves forming a rosette; petiole broadly winged, portion exserted from basal bud scales very short to 1/2 as long as leaf blade at fruiting; leaf blade extremely variable, oblong-ovate to lanceolate, 5--20(--25) X 1--5 cm, abaxially densely bright yellow farinose, often fugacious on older leaves, base attenuate, margin denticulate to nearly entire, apex acute to obtuse. Scapes (15--)20--50(--70) cm, yellow farinose toward apex; umbels 1--4, superimposed, 3- to many flowered; bracts lanceolate to subulate, 0.5--1.5 cm. Pedicel 1--2.5 cm, elongating to 6 cm in fruit, densely bright yellow farinose. Flowers heterostylous. Calyx tubular-campanulate, 8--10(--12) mm, parted slightly below middle; lobes oblong-lanceolate, sparsely farinose outside, densely so inside. Corolla purplish violet, rarely white; tube 1.1--1.3 cm; limb 2--3 cm wide; lobes broadly elliptic to subobovate, margin entire. Pin flowers: stamens 4--5 mm above base of corolla tube; style ca. as long as tube. Thrum flowers: stamens toward apex of corolla tube; style ca. 3 mm. Capsule cylindric, ca. 2 X as long as calyx. Fl. May-Jul. 2n = 22@, 44@, 22 + 2--7f@, 44 + 6--12f@.
  • Wet meadows, woodland margins, among Rhododendron; 3000--4400 m. SW Sichuan, E Xizang, N and NW Yunnan.






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