2024年05月19日 星期日
名称状态:被SP2000收录,状态为:Ixeridium sagittarioides为接受名
科属名称:Asteraceae(菊科) 小苦荬属
中文名:戟叶小苦荬
形态描述:Herbs 15-35[-55] cm tall, perennial, rosulate. Stem solitary, erect, branched from basal half or higher up, sparsely hairy. Rosette leaves petiolate; petiole 3-10[-30] cm, narrowly winged, margin entire or sinuate-dentate; leaf blade pentagonal or triangular, 2-8 × 1.5-6 cm, pinnately lobed, margin sinuatedentate; lateral and terminal lobes triangular with an acute apex. Stem leaves none or few, similar to basal leaves but smaller and less incised or undivided. Synflorescence corymbiform, with some to many capitula. Capitula with 8-16 florets; peduncle wiry. Involucre narrowly cylindric, 7-8 mm. Outer phyllaries ovate to lanceolate, apex acute; inner phyllaries ca. 8[-12], apex acute. Florets yellow. Achene brown [or dark purple, 3-4 mm], narrowly ovoid, apex attenuate into a slender 0.5-1 mm beak. Pappus white, 3-4 mm. Fl. Mar.
国内分布:云南