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双花报春Primula diantha

时间:2013-10-30 18:53来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):双花报春 学名( Scientific Name ): Primula diantha Bur. et Franch. 英文名( English Common Name ): 别名( Chinese Common Name ): 双花雪山报春 异名( Synonym ): Primula leucops W. W. Sm. et Kingdon-Ward Pri
中文名(Chinese Name):双花报春
学名(Scientific Name):Primula diantha Bur. et Franch.
英文名(English Common Name):
别名(Chinese Common Name):双花雪山报春
异名(Synonym):Primula leucops W. W. Sm. et Kingdon-Ward  Primula kiuchiangensis Balf. f. et Forrest  Primula amabilis Balf. f. et Forrest  Primula brevicula Balf. f. et Forrest  Primula glacialis Franch.  Primula calliantha subsp. kiuchiangensis (Pax et K. Hoffm.) W. W. Sm. et Forrest  Primula rigida Balf. f. et Forrest  Primula leucops var. anopa Hand.-Mazz.
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,向下发出多数纤维状须根。叶丛基部无鳞片,具叉开的叶柄,外围有残留枯叶。叶片长1-5厘米,宽5-10(18)毫米,通常外围的较宽,矩圆状匙形至倒披针形,向内渐次变狭,呈窄倒披针形至线状倒披针形,先端钝或圆形,基部渐狭窄,边缘具小牙齿或小圆齿,有时近全缘或因外卷而成全缘状,下面被白色或乳黄色粉;叶柄甚短或与叶片近等长,具窄翅,基部增宽呈三角形。花葶高(1)2-8(12)厘米,顶端被粉质腺体或微被粉;伞形花序2-6(10)花;苞片披针形至钻形,长5-7(10)毫米,常带紫色;花梗长3-10毫米,初花期常稍短于苞片;花萼筒状,长6-10毫米,外面带紫色,内面被粉,分裂深达全长的1/2-2/3,裂片狭披针形或狭矩圆形,先端锐尖或稍钝;花冠蓝紫色,冠筒口周围灰色,冠筒长10-14(16)毫米,喉部具环状附属物,冠檐直径1.5-2厘米,裂片椭圆状或倒卵状矩圆形,先端钝圆,全缘或具不明显的小圆齿;长花柱花:雄蕊着生处距冠筒基部2.5-3.5毫米,花柱稍高出花萼;短花柱花:雄蕊着生处稍高于花萼,花柱长约达花萼中部。蒴果筒状,长于宿存花萼。花期6月,果期7-8月。
分布(Distribution):产四川、云南和西藏,生长于海拔4000-4800米多石的湿草地和流石滩上。
引自中国植物志英文版:FOC Vol. 15 Page 151   
Primula diantha Bureau & Franchet, J. Bot. (Morot). 5: 97. 1891.
双花报春 shuang hua bao chun| Primulaceae  | Primula
Primula amabilis I. B. Balfour & Forrest; P. brevicula I. B. Balfour & Forrest; P. calliantha Franchet subsp. kiuchiangensis (I. B. Balfour & Forrest) W. W. Smith & Forrest; P. glacialis Franchet (1885), not Willdenow ex Roemer & Schultes (1819); P. kiuchiangensis I. B. Balfour & Forrest; P. leucops W. W. Smith & Kingdon Ward; P. leucops var. anopa Handel-Mazzetti; P. rigida I. B. Balfour & Forrest.
Herbs perennial, lacking basal bud scales and long overlapping stocks, with remains of old leaves at base. Leaves forming a rosette; petiole inconspicuous or nearly as long as leaf blade, narrowly winged and suddenly dilated to a triangular base; leaf blade oblong-spatulate to lanceolate (outer leaves) or narrowly oblanceolate to linear-oblanceolate (inner leaves), 10--50 X 5--10(--18) mm, abaxially white or cream-yellow farinose, base attenuate, margin denticulate to crenulate, often revolute, apex obtuse to rounded. Scapes (1--)2--8(--12) cm, glandular to scarcely farinose toward apex; umbels 2--6(--10)-flowered; bracts often purplish, lanceolate to subulate. Pedicel 3--10 mm, often shorter than bracts at anthesis. Flowers heterostylous. Calyx tubular, 6--10 mm, purplish outside, farinose inside, parted to middle or below; lobes lanceolate to narrowly oblong, apex acute to subobtuse. Corolla bluish purple; tube 1--1.4(--1.6) cm; limb 1.5--2 cm wide; lobes elliptic to obovate-oblong, margin entire to obscurely crenate, apex rounded. Pin flowers: stamens 2.5--3.5 mm above base of corolla tube; style slightly longer than calyx. Thrum flowers with positions reciprocal. Capsule cylindric, longer than calyx. Fl. Jun.
  • Stony meadows, talus slopes in alpine zone; 4000--4800 m. W Sichuan, E Xizang, NW Yunnan.
 




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