Xanthophyllum octandrum

(Xanthophyllum octandrum)

galery

Description

Stem Stem completely lacking any form of buttress.Crown generally thin and sparse. Leaves Leaf blades about 6.5-17 x 2-6.2 cm.About 4-8 main lateral veins on each side of the midrib.One or two,rarely three or more inconspicuous glands often visible on the underside on each side of the midrib,generally towards the base of the leaf blade.Glands generally situated away from both the midrib and the margin of the leaf blade.Petiole often transversely wrinkled but usually grooved on the upper surface. Flowers Inflorescence about 5-20 cm long,usually exceeding the leaves.Sepals pubescent,about 2.5-3.5 mm long,inner larger than the outer.Petals mainly glabrous,villous near the base,about 10 x 2.5-3 mm.Stamens eight.Anther filaments villous and expanded mainly in the lower half,about 5-6 mm long,closely adhering to the basal part of the petals,but without any vascular attachment,anthers about 0.6 mm long.Disk about 0.2-0.3 mm high,margins obscurely lobed.Ovary octangular,villous,about 2-2.5 x 2 mm,stipitate,stipe about 1 mm long.Yellow glandular disk at base of ovary stipe.Ovules about five.Style about 4 mm long. Fruit Fruits depressed globular and laterally compressed,about 13-20 x 15-23 mm.Seeds about 10-12 x 11-13 mm,completely enclosed in the aril.Embryo flat +/- orbicular,about 8 mm diam.,cotyledons green,many times wider than the radicle.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum:
Class: Magnoliopsida
Order:Fabales
Family:Polygalaceae
Genus:Xanthophyllum
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