The capitula, or heads, are 1 cm to 6 cm long and consist of bluish or purple flowers, distributed in a fleshy receptacle, and surrounded by several bracts. After the flowering stage, the achenes ripen and, during the summer, the aerial biomass dries out. In the first years of harvest...
herb of the family Asteraceae endemic to altitudes between 3600–4500 meters (12,000 - 15,000 feet) on the slopes of the mountains of the Ruwenzori Mountains in Uganda and the Democratic Republic of the Congo and an atypical species of the genus Senecio because it has purple flowers. ...
Asters flowers a small clump of daisy Osteospermum plants from the Asteraceae species adds color to the spring landscape with white pink and purple flowers these being purple. Close-up Photo ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正
Yellow/white inflorescences dominate the non-spiny species, while pink/purple/blue flowers dominate the spiny plants. We hypothesize that the pink/purple/blue flowering of the spiny species may advertise their deterring spines to mammalian herbivores. This putative aposematic signal is particularly ...
Echinacea is a genus of herbaceous flowering plants in the daisy family Asteraceae. The nine species it contains are commonly called purple coneflowers in Central Park New Yortk City,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片
A small clump of cheerful African daisy Osteospermum plants from the Asteraceae species adds color to the winter landscape with white pink and purple flowers.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、
herb of the family Asteraceae endemic to altitudes between 3600–4500 meters (12,000 - 15,000 feet) on the slopes of the mountains of the Ruwenzori Mountains in Uganda and the Democratic Republic of the Congo and an atypical species of the genus Senecio because it has purple flowers. ...
The zygomorphic flowers (from March to May) have pink to violet corollas, with dark purple anthers. The species is self-compatible. It is pollinated by a variety of generalist insect families that are abundant in the landscape. Achenes are dimorphic, narrowly fusiform, or cylindrical in ...
flowers and leaves, as well as in the hairs (trichomes) developed on all plant parts (Salapovic et al.2013). The trichomes easily become airborne and can contact nose and eyes mucosa (Menz and Winkelmann1987). The symptoms and complaints due to the direct contact with theChrysanthemumplant ...
when pressed; bracts in 4 or 5 series, imbricate, gland-dotted distally, margins ciliate, green with darker spot near tips, caducous, outer bracts ovate, 0.5–1 × 0.5 mm, median bracts oblong-elliptic, subacute, 5.0–6.0 × 1.0 mm. Florets pale mauve to purple or white to creamy-...