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鳔冠花Cystacanthus paniculatus

时间:2013-07-15 16:27来源:未知 作者:徐晔春 点击:
鳔冠花,Cystacanthus paniculatus




中文名(Chinese Name):鳔冠花
学名(Scientific Name):Cystacanthus paniculatus T. Anders.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Phlogacanthus paniculatus (T. Anderson) Imlay
科属(Family & Genus):爵床科(Acanthaceae)鳔冠花属Cystacanthus
形态特征(Description):灌木;高达2米,茎4棱,光滑,幼枝具翅。叶矩圆形至矩圆状披针形,长10-12厘米,宽2.5-4厘米,顶端渐尖,基部下延至柄,柄长1-1.5厘米,边缘呈浅波状圆齿,上面光滑,背面脉上有毛。圆锥花序顶生,紧缩似总状,长达18厘米,花序轴上密生柔毛和腺毛;苞片和小苞片矩圆状披针形,短于花萼,早落,与萼同密被腺毛;花萼裂片5,宽披针形,长12-14毫米;花冠淡紫色,近钟状,外被腺毛,内面光滑,长20-24毫米,冠管下部囊状,冠檐5裂,裂片圆钝,近相等而稍开展;雄蕊2,内藏,花丝基部有髯毛;退化雄蕊2,极小;子房有毛,每室具4粒胚珠。蒴果棒形,灰褐色,被粘绒毛,长2.3厘米,花萼宿存,爿片有明显凹槽,种子离散。
分布(Distribution):产云南。生于海拔300-2100米的灌丛中。缅甸也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 19 Page 476
Cystacanthus paniculatus T. Anderson, J. Linn. Soc., Bot. 9: 458. 1867.
鳔冠花 biao guan hua | Acanthaceae  | Cystacanthus
Phlogacanthus paniculatus (T. Anderson) J. B. Imlay.
Shrubs to 2 m tall. Stems 4-angled, glabrous; young branches winged. Petiole 1-1.5 cm; leaf blade oblong to oblong-lanceolate, 10-12 × 2.5-4 cm, abaxially pubescent along veins, adaxially glabrous, base attenuate and decurrent onto petiole, margin undulate to crenulate, apex acuminate. Thyrses terminal, to 18 cm, many flowered; rachis densely villous with gland-tipped trichomes; bracts oblong-lanceolate, shorter than calyx, gland-tipped pubescent, caducous; bracteoles similar to bracts. Pedicel 2-4 mm, gland-tipped pubescent. Calyx 1.2-1.4 cm, gland-tipped pubescent; lobes lanceolate. Corolla light purple, 2-2.4 cm, ventricose, outside gland-tipped pubescent, inside glabrous; lower lip with lobes orbicular, subequal, patent. Stamens included; filaments barbate; anther thecae ca. 1 mm, connective barbate; staminodes very small. Ovary pubescent, with 4 ovules per locule; style 1.6-2 cm, glabrous; stigma slightly 2-cleft. Capsule grayish brown, clavate, ca. 2.3 cm, pubescent, 8-seeded. Seeds ovate in outline, ca. 3.5 × 3.5 mm.
Forests; 300-2100 m. Yunnan [Myanmar].
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