Major veins are subparallel, transverse over the central locular area and fan outward into the wings, straight to curved, occasionally dichotomizing, craspedodromous, joining into a thick fimbrial vein.
A prominent arched vein in each wing outlines the locular area, midway between the central axis of the fruit and the distal wing margins.
15f), a retiticulum is formed over the central locular area; main veins of the wing fan out from the locular area and are straight and craspedodromous, entering into strong fimbrial veins.
The fruit is a subcircular samara with retuse apex and base with a central rounded locular area surrounded by a pair of wings.
trifolata the main veins are oriented transversely across the locular area, fanning outward into the two semicircular wings.
Venation fans outward into the wings from the locular area, straight to sinuous, bifurcating and anastomosing to form elongate areoles, craspedodromous, joining to a fimbrial vein (Fig.
The fruits are borne on a thick pedicel and are widely elliptical, wider than high, composed of three wings arising from a central inflated locular area, with a persistent style.
Main veins form a reticulum with more or less isodiametric areoles over the locular area giving rise to straighter, subparallel veins in the wing that are craspedodromous to the fimbrial vein.
The main veins are sinuous, extending from the locular area transversely across the wing, craspedodromous to the fimbrial vein.
17k-m) show the stipitate condition and membranous wings with a strong fimbrial vein and a loose transversely oriented reticulum over the locular area which becomes more dense toward the wing margins.
The locular area is elliptical to fusiform, and bisected by a vertical septum at fight angles to the plane of the wings, and contains the impressions of several seeds ornamented with concentric ridges.
It is unilocular with a single seed, a single straight median rib over the fusiform locular area; it is stipitate, and has a pair of symmetrical wings with fine subparallel veins spaced 3-5 per mm.