Vascular anatomy of the flower of Hyacinthoides non-scripta (L.) Chouard ex Rothm. A new insight about a complex placentation pattern in Asparagaceae
Abstract
Floral vasculature and gynoecium architecture were revised in Hyacinthoides non-scripta (L.) Chouard ex Rothm. Receptacle exhibits the usual regular vascular groundplan for monocots, while carpels are united at the ovary bases and by their styles, but very loosely in their middle region, so that a basket-like capsule is ripened. The septal nectary is well developed with two apertures at the ovary base and below the style insertion. Vasculature demonstrated basal ovules pairs sheltered by each carpel are in fact cauline. Thus floral axis appears to be involved in the congenital intercarpellary fusion, an unrecognized feature until now in the core-Asparagales.
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