
Asteraceae - Achenes, Cypselae, Pappi | Britannica
The members of Asteraceae produce a type of fruit called an achene, which is dry and single-seeded and does not open at maturity. The apparent seeds of the sunflower, for example, are …
Achene heteromorphism in Bidens pilosa (Asteraceae): …
Bidens pilosa (Asteraceae), a noxious weed in many ecosystems worldwide, produces large amounts of heteromorphic (central and peripheral) achenes. The primary aims of the present …
Achene micromorphology and its taxonomic significance in some …
The family Asteraceae is a large family of flowering plants with over 25,000 species and 1620 genera (Stevens 2001). Asteraceae species can be found in all continental zones and they …
Achene - Master Gardeners of Northern Virginia
When you hear the word achene, you may think of the seeds of sunflowers. Although many botanical works still refer to the fruits of Asteraceae (commonly called the aster, composite, …
Achene - Wikipedia
Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not open at maturity). Achenes contain a single seed that nearly fills the pericarp, but does not adhere to it. …
Systematic significance of achene morphology and anatomy …
Jan 28, 2024 · A description of the achene of each species, a key to the investigated taxa based on morphological and anatomical features, as well as drawings of cross sections, are …
Systematic importance of achene macro-micromorphological ...
This study focuses on the macro-micromorphological achene characteristics of 12 species of the genera Crupina, Jurinea, and Klasea (Asteraceae) using light microscopy and the scanning …
Comparative Morphological Studies on Achene of Some Taxa of Asteraceae
Morphological structure and different characters of achene is most important from the taxonomic point of view. In present study achene shape, colour, size, texture and pappus type were …
Achene micromorphology in Tanacetum (Asteraceae …
Jun 1, 2016 · Achene micromorphology is useful for segregating of sections in Tanacetum. Coroniform and unilateral pappus are the main types of achene. Complete ring-like symmetric …
(PDF) Achene Characteristics of Some Taxa of Asteraceae from …
Among the studied taxa, achene symmetry, hairiness, surface topography, hilum position, presence or absence of pappus and pappus type were found significant diagnostic characters …
- Some results have been removed