No abstract

No abstract

No abstract

Examination of the pollen morphology, floral morphology and anatomy, and vegetative anatomy of Emblingia calceoliftora F.Muell.leads to widely divergent views concerning its systematic affinities. Erdtman considers that pollen morphology shows Emblingia should be referred to, or near to, Polygalaceae; the pollen grains are unlike those of Capparaceae, Goodeniaceae or Sapindaceae. Leins concludes that Emblingia is probably allied to the Sapindaceae. He lists the following similarities: three‐carpellate, septate ovary with one axile ovule in each loculus; short androgynophore; eccentric, extrastaminal disk; reductions in corolla and androecium; ventral appendages to petals; spiral embryo and aril; bitegmic and crassinucellate ovules. Melville interprets the hood of the androgynophore of Emblingia as a third petal and the gland (‘disc’) as a reduced stamen fascicle; the floral parts show a tendency to adhesion such as is common in the Goodeniaceae.Emblingia resembles Scaevola in general habit and hair type; the trimerous ovary, stigmatic vascular brush, and reniform seeds with curved embryos and complex vascular supply also suggest an affinity with Goodeniaceae. Metcalfe's examination of the leaf and stem anatomy of Emblingia shows that the histological resemblance is closest to Goodeniaceae and next closest to Polygalaceae. Similarities to Goodeniaceae include minutely warty, unicellular hairs; branched sclereids; vascular bundles of leaf sheathed by inflated parenchymatous cells; deep‐seated origin of cork in stem; xylem forming a closed cylinder in stem, traversed by narrow rays; mostly solitary vessels with simple perforations.

No abstract