短葶无距花
短葶无距花 |
中文学名:短葶无距花 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:蔷薇亚纲 科:野牡丹科 属:无距花属 种:短葶无距花 |
短葶无距花(duǎn tíng wú jù huā),拉丁文名:Stapfiophyton breviscapum C. Chen. 野牡丹科、无距花属草本,产自我国湖南、广东。 [1]
目录
短葶无距花形态特征
短葶无距花 草本,高13-21厘米;茎四棱形,棱上具狭翅,翅缘具疏腺毛或刺毛,其余无毛,无分枝,节上具长柔毛。
叶片纸质,卵形至近披针形,长(2.5-)5-8.5厘米,宽(1-)2-3.5厘米,3出脉,边缘具锯齿,齿尖具刺状尖头,具疏缘毛,叶面被糙伏毛,基出脉微凹,侧脉不明显,背面基出脉及侧脉明显,隆起,仅脉上被极疏的糙伏毛,近边缘具1圈糙伏毛,其余有时密布小泡状突起;叶柄长5-20毫米,两侧具狭翅,翅缘有时具极疏的腺毛。
聚伞花序,顶生,长3-5厘米,总梗长1.5-3厘米,花梗长3-5毫米,两者均四棱形,棱上均具狭翅,翅缘具疏腺毛;苞片小,叶状;花萼管状漏斗形,具四棱,长约5毫米,棱上具翅,翅缘具疏腺毛,裂片广三角形,顶端渐尖,具刺尖头,长约0.5毫米;花瓣粉红色,长圆形,顶端急尖,具1腺毛尖头,略偏斜,长约7.5毫米,宽约3毫米;雄蕊4长4短,长者长约1.6厘米,花药长圆状线形,长约7毫米,短者长约6毫米,花药长圆形,长约2毫米;子房狭卵形顶端平截,具膜质冠,4裂,冠缘具缘毛。
蒴果漏斗形,具四棱,顶端平截,4裂;宿存萼与果贴生,具8脉,棱上的4脉明显隆起,棱上具疏腺毛,长约3-4毫米,直径2-2.5毫米,膜质冠微露出宿存萼外。
花期约8月,果期9-10月。
Herbs 13-21 cm. Stems 4-sided, narrowly winged on angles, margin of wings with sparse glandular trichomes or setose, otherwise glabrous. Petiole 0.5-2 cm, laterally narrowly winged, margin of wings sometimes with sparse glandular trichomes; leaf blade ovate to sublanceolate, (2.5-)5-8.5 × (1-)2-3.5 cm, papery, abaxially sparsely strigose on veins, sometimes bullate, adaxially strigose, secondary veins 1 on each side of midvein, margin serrate with each tooth having a terminal seta. Inflorescences terminal cymes, 3-5 cm; peduncle 1.5-3 cm. Pedicel 3-5 mm, 4-sided, narrowly winged on angles, margin of wings sometimes with sparse glandular trichomes. Hypanthium narrowly funnel-shaped, ca. 5 mm, 4-sided, winged on angles, margin of wings with sparse glandular trichomes. Calyx lobes broadly triangular, apex acuminate with an aristate tip. Petals pink, oblong, ca. 7.5 × 3 mm, apex acute. Longer stamens ca. 1.6 cm; anthers oblong-linear, ca. 7 mm. Shorter stamens ca. 6 mm; anthers oblong, ca. 2 mm. Ovary narrowly ovate, apex truncate and with a 4-lobed membranous crown; hypanthium 3-4 × 2-2.5 mm, 4-sided, 8-veined, with sparse glandular trichomes. Fl. Aug, fr. Sep-Oct.
短葶无距花生长环境
生长于海拔820-1500米的山谷、山坡疏、密林下,路边、水旁肥土上或石上积土上。 [2]