roundly trigonous to terete, globose or ellipsoid; surface smooth, tuberculate (warty), pitted, or lobed, rarely pubescent; hypogynium disk-like, lobed or entire, sometimes absent.
we did not control for possible self-pollinations caused by bagging or unbagging capitula for diurnal and nocturnal pollination treatments, and we did not detect a significant difference in production of achenes
in these treatments compared to wind and control treatments, as would be expected if manipulation of capitula had increased self-pollination.
Phenolic composition and antioxidant activities in flesh and achenes
of strawberries (Fragaria X ananassa).
Solidago gigantea allocates most of its energy into sexual reproduction and produces large flower heads and achenes
, contributing to its invasiveness (Abrahamson et al.
are produced on the outer surface to the receptacle, and each one is responsible for a region of growth necessary to produce a normal accessory fruit.
puberulent, notched and awned), and shorter achenes
oblong, less than 3 times as long as wide; majority of perigynia less than 4.
(seeds) of cultivated or common sunflower (Helianthus annuus L.
8 vegetation (1) Plant parts identified included achenes
(A), rhizomes (B), seed capsules (C), florets and flowers (F), leaves (L), perigynia (P), seeds (S), silicles (SC), scales (SL), spikelets (SP), and siliques (SQ).
With the exception of Potamogeton achenes
which were determined using the manuscript by Jessen (1955), subfossil seeds and achenes
were identified using the text by Montgomery (1977).
2, with slightly larger leaves, 3-5 leaflets per leaf, leaflets broadly lanceolate, and with larger achenes
1], days to start flowering (DFL) based on the date of flowering in R5, chapter length (CL) in cm, weight of a thousand achenes
(WTA) in g, height (H) in cm, and oil content (OilC) in % were evaluated.