Vasilis Teodoridis:
Polygalaceae | Xanthophyllum
4. Xanthophyllum hainanense Hu; J. Arnold Arbor. 6: 142. 1925.
??? huang ye shu
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 x 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.
Mountain forests; 100-600 m. Guangdong; Guangxi; Hainan [Vietnam].
Vasilis Teodoridis:
Polygalaceae | Xanthophyllum
4. Xanthophyllum hainanense Hu; J. Arnold Arbor. 6: 142. 1925.
??? huang ye shu
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 x 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.
Mountain forests; 100-600 m. Guangdong; Guangxi; Hainan [Vietnam]