nectary


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nectary

an area of tissue in many flowers that secretes sugary nectar, serving as an attraction for visiting insects. Nectaries are frequently deep inside the corolla so that the pollinator both deposits and carries off pollen. see ENTOMOPHILY.
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Floral nectary structure and nectar chemical composition of some species from Robinson Crusoe Island (Chile).
However, the staminodial nature of the nectary was put in doubt by Al-Nowaihi & Khalifa (1971) because of the absence of any vascularization.
Ant visitation of extrafloral nectaries in Passiflora: the effects of nectary attributes and ant behavior on patterns in facultative ant plant mutualisms Oecologia 2001: 409-416.
The interactions conformed to the common behavioral pattern of the larvae everting their tentacular organs and secreting from the dorsal nectary organs, followed by the ants antennating the larvae and consuming the nectar.
Short-tongued bees bite a hole into the corolla tube close to the nectary, but, since they also collect pollen, they still have a role in pollination.
Calyx [2 (Obolaria)-] 4-5(-12)-merous; imbricate; usually with a short but well-developed tube; sometimes with basal nectary gland; lobes rarely reduced or suppressed to appear 2-cleft; rarely winged (Canscora) or inflated and elongated to enclose corolla (Prepusa).
As a first step in determining whether the addition of nectary plants might increase the abundance and diversity of biocontrol agents of D.
The MhyCRC expression was detected only in flower tissue, confirming its potentially conserved roles in carpel fusion, style/stigma and nectary development, and in the floral meristem termination as it was shown for A.
(1997) Nectary morphology in South West Asia Fritillaria (Liliaceae).
Occasionally, however, long-tongued bees and ants have been observed visiting them, possibly attracted to a nectary found near the ovary of the chasmogamous flower.