Xanthophyllum hainanense (Xanthophyllum hainanense)
Description
Trees 5-20 m tall;bark gray,longitudinally thinly fissured.Branchlets terete,slender,glabrous.Petiole 6-10 mm,transversely rugose,sulcate adaxially;leaf blade yellow-green when dry,ovate-elliptic to oblong-lanceolate,4-12 × 1.5-5 cm,leathery,both surfaces glabrous,midvein and lateral veins raised on both surfaces,lateral veins 9-11 pairs,anastomosing near margin,veinlets reticulate,raised abaxially,distinct adaxially,base cuneate or obtuse,margin sometimes undulate,apex long acuminate.Racemes or small panicles axillary or terminal,3-9 cm;peduncles and pedicels densely pubescent;bracteole 1,caducous,lanceolate.Flowers fragrant,small.Sepals with both surfaces pubescent,ciliate;outer 3 ovate,small,ca.2 mm,apex acute;inner 2 elliptic to oblong,large,ca.4 mm,apex rounded.Petals yellow-white,elliptic or oblong-lanceolate,ca.7 mm,apex obtuse,thinly ciliate.Stamens 8,free,4(-8) mm,lower parts villous;anthers basifixed,ellipsoidal,ca.0.5 mm.Ovary pitcher-shaped,ca.1 mm in diam.,densely pubescent;ovules 4;style 3-6 mm,slightly pubescent at base;stigma capitate.Drupe yellowish,1.5-2 cm in diam.,pubescent or subglabrous;fruit stalk terete,ca.5 mm,stout,pubescent.Seed yellowish,subglobose,ca.8 mm in diam.Fl.Mar-May,fr.Apr-Jul.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Fabales
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Family: Polygalaceae
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Genus: Xanthophyllum
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