achene

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  • noun

Words related to achene

small dry indehiscent fruit with the seed distinct from the fruit wall

References in periodicals archive ?
Cannabis plants domesticated for fiber, oilseed, or narcotics tend to differ from plants adapted to wild (ruderal) existence, most characteristically in the achenes (Small, 1975a).
Because practitioners in the sciences need precision when speaking or writing formally, the botanical term of choice for both true seeds as well as those carrying extra parts is disseminule, a catchall term that covers all variations of reproductive packages, botanically known by terms such as aril, achene, capsule, caryopsis, nut, drupe, and true seed (Figure 4).
A limited supply of anthocarps containing achenes necessitated planting fewer seeds in autumn than were planted in spring.
1994) with pyrethrum (Tanacetum cinerariifolium) who reported that application of 100 kg P/ha significantly increased achenes and pyrethrin yield for this crop (Salardini et al.
Role of temperature in dormancy break and/or germination of autumn-maturing achenes of eight perennial Asteraceae from Texas, U.
Warm-dry pretreatment may be a useful tool in preparing threadleaf sedge achenes for planting in prairie restorations.
The true fruits of the strawberry are achenes, those tiny raised specks on the surface of the fleshy, edible receptacle.
As noted elsewhere in this review, the achenes of Cannabis are usually referred to as seeds.
2], (2) number of anthodium per generative shoot and (3) number of ovules and achenes per anthodium.
Achenes 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.
The feces contained no seed fragments apart from what appeared to be remains of the achenes of an Asteraceae species in one sample.
The infrequent achenes of Potamogeton pusilus and Najas flexilis and the fragments of Drepanocladus aduncus in the cone zone may have been deposited and incorporated after subsequent inundation of the site.